51
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Kristensen NS, Hertel E, Skadhauge CH, Kronborg SH, Petersen KK, McPhee ME. Psychophysical predictors of experimental muscle pain intensity following fatiguing calf exercise. PLoS One 2021; 16:e0253945. [PMID: 34329324 PMCID: PMC8323909 DOI: 10.1371/journal.pone.0253945] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 06/15/2021] [Indexed: 01/11/2023] Open
Abstract
Musculoskeletal pain affects approximately 20% of the population worldwide and represents one of the leading causes of global disability. As yet, precise mechanisms underlying the development of musculoskeletal pain and transition to chronicity remain unclear, though individual factors such as sleep quality, physical activity, affective state, pain catastrophizing and psychophysical pain sensitivity have all been suggested to be involved. This study aimed to investigate whether factors at baseline could predict musculoskeletal pain intensity to an experimental delayed onset of muscle soreness (DOMS) pain model. Demographics, physical activity, pain catastrophizing, affective state, sleep quality, isometric force production, temporal summation of pain, and psychophysical pain sensitivity using handheld and cuff algometry were assessed at baseline (Day-0) and two days after (Day-2) in 28 healthy participants. DOMS was induced on Day-0 by completing eccentric calf raises on the non-dominant leg to fatigue. On Day-2, participants rated pain on muscle contraction (visual analogue scale, VAS, 0-10cm) and function (Likert scale, 0–6). DOMS resulted in non-dominant calf pain at Day-2 (3.0±2.3cm), with significantly reduced isometric force production (P<0.043) and handheld pressure pain thresholds (P<0.010) at Day-2 compared to Day-0. Linear regression models using backward selection predicted from 39.3% (P<0.003) of VAS to 57.7% (P<0.001) of Likert score variation in DOMS pain intensity and consistently included cuff pressure pain tolerance threshold (P<0.01), temporal summation of pain (P<0.04), and age (P<0.02) as independent predictive factors. The findings indicate that age, psychological and central pain mechanistic factors are consistently associated with pain following acute muscle injury.
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Affiliation(s)
| | - Emma Hertel
- Faculty of Medicine, Aalborg University, Aalborg, Denmark
| | | | | | - Kristian Kjær Petersen
- Center for Neuroplasticity and Pain (CNAP), Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
| | - Megan E. McPhee
- Center for Neuroplasticity and Pain (CNAP), Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
- * E-mail:
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Does the Addition of Pain Neurophysiology Education to a Therapeutic Exercise Program Improve Physical Function in Women with Fibromyalgia Syndrome? Secondary Analysis of a Randomized Controlled Trial. J Clin Med 2021; 10:jcm10112518. [PMID: 34200137 PMCID: PMC8201111 DOI: 10.3390/jcm10112518] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 06/01/2021] [Accepted: 06/04/2021] [Indexed: 11/19/2022] Open
Abstract
Therapeutic exercise (TE) is one of the most investigated approaches for the management of FMS. Pain neurophysiology education (PNE) helps toward understanding the pain condition, leading to maladaptive pain cognitions and coping strategies in patients with chronic pain. Our study aimed to assess the effects of therapeutic exercise and pain neurophysiology education versus TE in isolation on fatigue, sleep disturbances, and physical function in the short term and at three months of follow-up in women with fibromyalgia syndrome (FMS). A single-blind randomized controlled trial was carried out. A total of 32 women with FMS referred from medical doctors and fibromyalgia association were randomized in 2 groups: PNE + TE group or TE group. Fatigue and sleep disturbances (Visual Analog Score) and physical function (Senior Fitness Test) were assessed before, after intervention, and at three months of follow-up. Significant improvements were achieved in the Timed Up and Go test (p = 0.042) and Arm Curl test (p = 0.043) after intervention and on handgrip in the non-dominant side at three months of follow-up (p = 0.036) on the PNE + TE group. No between-groups differences were found for fatigue, sleep disturbances, and the rest of test included in the Senior Fitness Test. In conclusion, these results suggest that PNE + TE appears to be more effective than TE in isolation for the improvement of physical function (Timed Up and Go test and Arm Curl test) in women with FMS in the short term.
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Alterations in pronociceptive and antinociceptive mechanisms in patients with low back pain: a systematic review with meta-analysis. Pain 2021; 161:464-475. [PMID: 32049888 DOI: 10.1097/j.pain.0000000000001737] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Altered pronociceptive and antinociceptive mechanisms are often implicated in painful conditions and have been increasingly studied over the past decade. For some painful conditions, alterations are well-established, but in populations with low back pain (LBP), there remains considerable debate whether these mechanisms are altered. The present systematic review aimed to address this issue by identifying studies assessing conditioned pain modulation (CPM) and/or temporal summation of pain (TSP) in patients with LBP, comparing with either a healthy control group or using a method with reference data available. Qualitative synthesis and quantitative meta-analysis of group differences were performed. For CPM and TSP, 20 and 29 original articles were eligible, with data for meta-analysis obtainable from 18 (1500 patients and 505 controls) and 27 (1507 patients and 1127 controls) studies, respectively. Most studies were of poor-to-fair quality with significant heterogeneity in study size, population, assessment methodology, and outcome. Nonetheless, CPM was impaired in patients with LBP compared with controls (standardized mean difference = -0.44 [-0.64 to -0.23], P < 0.001), and the magnitude of this impairment was related to pain chronicity (acute/recurrent vs chronic, P = 0.003), duration (RS = -0.62, P = 0.006), and severity (RS = -0.54, P = 0.02). Temporal summation of pain was facilitated in patients with LBP compared with controls (standardized mean difference = 0.50 [0.29-0.72], P < 0.001), and the magnitude of this facilitation was weakly related to pain severity (RS= 0.41, P = 0.04) and appeared to be influenced by test modality (P < 0.001). Impaired CPM and facilitated TSP were present in patients with LBP compared with controls, although the magnitude of differences was small which may direct future research on the clinical utility.
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54
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Dhondt E, Danneels L, Van Oosterwijck S, Palmans T, Rijckaert J, Van Oosterwijck J. The influence of physical activity on the nociceptive flexion reflex in healthy people. Eur J Pain 2020; 25:774-789. [PMID: 33290578 DOI: 10.1002/ejp.1708] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 12/02/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND The nociceptive flexion reflex (NFR) is a spinal reflex induced by painful stimuli resulting in an appropriate withdrawal response. The NFR is considered to be an objective physiological correlate of spinal nociception. Previous research has already demonstrated that physical activity (PA) can influence pain assessments. To date, no studies have directly examined the relationship between PA and spinal nociception. Hence, this study aimed to investigate whether the NFR threshold can be predicted by report-based and monitor-based measures of PA in healthy adults. METHODS PA and the NFR threshold of 58 healthy adults were assessed. PA was evaluated by self-report using the International Physical Activity Questionnaire and by monitor-based accelerometry data. The NFR threshold was elicited through transcutaneous electrical stimulation of the sural nerve and quantified by the biceps femoris muscle electromyogram. Hierarchical linear regression analyses were performed to determine the relationship between PA and the NFR, while controlling for confounders. RESULTS Monitor-based measured step count and activities of moderate- to vigorous-intensity predicted the NFR threshold accounting for 23.0% (p = .047) to 37.1% (p = .002) of the variance. Larger amounts of step counts and higher participation in moderate- to vigorous-intensity activities predicted higher NFR thresholds. Monitor-based activities of sedentary intensity predicted the NFR threshold accounting for 35.8% (p = .014) to 35.9% (p = .014) of the variance. Spending more time per day on activities of sedentary intensity predicted lower NFR thresholds. CONCLUSIONS The study provides preliminary evidence indicating that a physically active lifestyle may reduce spinal nociception in healthy adults, while a sedentary lifestyle enhances spinal nociception. SIGNIFICANCE The present study provides preliminary evidence that the influencing effects of physical activity on pain are the result of a strong descending control and do not purely rely on supraspinal mechanisms. These study results highlight the importance of considering physical activity levels when evaluating nociceptive processing, given the prognostic value of physical activity in spinal nociception. Furthermore, this study encourages future research to examine the effects of moderate- to vigorous-intensity exercise programmes on spinal nociception in chronic pain populations.
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Affiliation(s)
- Evy Dhondt
- SPINE Research Unit Ghent, Department of Rehabilitation Sciences, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium.,Pain in Motion, International Research Group
| | - Lieven Danneels
- SPINE Research Unit Ghent, Department of Rehabilitation Sciences, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
| | - Sophie Van Oosterwijck
- SPINE Research Unit Ghent, Department of Rehabilitation Sciences, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium.,Pain in Motion, International Research Group.,Research Foundation - Flanders (FWO), Brussels, Belgium
| | - Tanneke Palmans
- SPINE Research Unit Ghent, Department of Rehabilitation Sciences, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
| | - Johan Rijckaert
- SPINE Research Unit Ghent, Department of Rehabilitation Sciences, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium.,Department of Audiology, Artevelde University College, Ghent, Belgium
| | - Jessica Van Oosterwijck
- SPINE Research Unit Ghent, Department of Rehabilitation Sciences, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium.,Pain in Motion, International Research Group.,Research Foundation - Flanders (FWO), Brussels, Belgium
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55
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Hansen S, Dalgaard RC, Mikkelsen PS, Sørensen MB, Petersen KK. Modulation of Exercise-Induced Hypoalgesia Following an Exercise Intervention in Healthy Subjects. PAIN MEDICINE 2020; 21:3556-3566. [PMID: 32984895 DOI: 10.1093/pm/pnaa212] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Exercise is recommended to promote and maintain health and as treatment for more than 25 diseases and pain conditions. Exercise-induced hypoalgesia (EIH), a measure of descending pain inhibitory control, has been found to be impaired in some chronic pain conditions, but it is currently unclear if EIH is modifiable. This study investigated whether a long-term exercise intervention could modulate EIH in healthy subjects. METHODS In 38 healthy subjects, EIH was assessed as change in pressure pain threshold (PPT) after a three-minute isometric wall squat within the first week and after approximately seven weeks of military training (MT). Further, temporal summation of pain (TSP) and Knee injury and Osteoarthritis Outcome Score (KOOS) were assessed. Physical performance capacity was assessed using the Endurance 20-m shuttle run fitness test (20MSR). Hypoalgesic (EIH > 0.0 kPa) and hyperalgesic (EIH ≤ 0.0 kPa) subgroups were defined based on baseline EIH. Change in EIH following MT was used as the primary outcome. RESULTS Increased EIH (P = 0.008), PPT (P < 0.003), and 20MSR (P < 0.001) were found following MT, with no changes in TSP and KOOS (P > 0.05). Subjects with a hyperalgesic EIH response at baseline (26% of the participants) presented significantly improved EIH following MT (P = 0.010). Finally, an association between 20MRS change and EIH change was found (r = 0.369, P = 0.023). CONCLUSIONS MT increased EIH, especially in subjects who demonstrated a hyperalgesic response at baseline. Improvement in physical performance capacity was associated with an improvement in EIH, indicating that improvement in physical performance capacity may improve central pain mechanisms.
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Affiliation(s)
- Simon Hansen
- SMI, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
| | | | | | - Mathias Brandhøj Sørensen
- SMI, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
| | - Kristian Kjær Petersen
- SMI, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark.,Department of Health Science and Technology, Faculty of Medicine, Center for Neuroplasticity and Pain, Aalborg University, Aalborg, Denmark
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56
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Barkley JE, Vucetic H, Leone D, Mehta B, Rebold M, Kobak M, Carnes A, Farnell G. Increased Physical Activity and Reduced Pain with Spinal Cord Stimulation: a 12-Month Study. INTERNATIONAL JOURNAL OF EXERCISE SCIENCE 2020; 13:1583-1594. [PMID: 33414870 PMCID: PMC7745901 DOI: 10.70252/eviw5224] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/15/2025]
Abstract
The purpose of this study was to assess changes in pain and physical activity after replacing a traditional spinal cord stimulation (SCS) implantable pulse generator with a next generation SCS in patients for whom traditional SCS was no longer providing adequate relief of low back and/or leg pain. Subjects (n = 19) who reported that they were no longer receiving adequate relief from traditional SCS were implanted with a next generation SCS. Eighteen additional patients who were receiving relief from traditional SCS were also followed as a control. Both groups (next generation, traditional) were assessed for low-back and limb pain (visual analog scale) and daily physical activity (wearable accelerometer) at baseline and three, six, nine and 12 months following the SCS implant. Relative to baseline, next generation SCS subjects exhibited reductions (p ≤ 0.05 for all) in low-back pain (average reduction of 22%) at every time point, in leg pain (average reduction of 23%) at every time point except six months and increased physical activity (average increase of 57%) at three, six and nine months. As expected, there were no changes in pain or physical activity in the traditional SCS subjects (p ≥ 0.1). In conclusion, pain decreased, and physical activity increased in patients receiving a next generation SCS. Physical activity may serve as an objectively measured marker of pain.
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Affiliation(s)
- Jacob E Barkley
- Department of Exercise Science, Kent State University, Kent, OH, USA
| | | | | | - Bina Mehta
- The Spine and Pain Institute, Kent, OH, USA
| | - Michael Rebold
- Integrative Exercise Science Program, Hiram College, Hiram, OH, USA
| | - Mallory Kobak
- Integrative Exercise Science Program, Hiram College, Hiram, OH, USA
| | - Andrew Carnes
- Department of Exercise Science, Bellarmine University, Louisville, KY, USA
| | - Gregory Farnell
- Department of Exercise Science and Sports Studies, John Carroll University, University Heights, OH, USA
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57
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Årnes AP, Nielsen CS, Stubhaug A, Fjeld MK, Hopstock LA, Horsch A, Johansen A, Morseth B, Wilsgaard T, Steingrímsdóttir ÓA. Physical activity and cold pain tolerance in the general population. Eur J Pain 2020; 25:637-650. [PMID: 33165994 DOI: 10.1002/ejp.1699] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
BACKGROUND The relationship between habitual physical activity (PA) and experimental pain tolerance has been investigated in small samples of young, healthy and/or single-sex volunteers. We used a large, population-based sample to assess this relationship in men and women with and without chronic pain. METHODS We used data from the sixth and seventh Tromsø Study surveys (2007-2008; 2015-2016), with assessed pain tolerance of participants with the cold pressor test (CPT: dominant hand in circulating cold water at 3°C, maximum test time 106 s), and self-reported total amount of habitual PA in leisure time (n = 19,087), exercise frequency (n = 19,388), exercise intensity (n = 18,393) and exercise duration (n = 18,343). A sub-sample had PA measured by accelerometers (n = 4,922). We used Cox regression to compare CPT tolerance times between self-reported PA levels. For accelerometer-measured PA, we estimated hazard ratios for average daily activity counts, and for average daily minutes of moderate-to-vigorous PA done in bouts lasting 10 min or more. Models were tested for PA-sex, and PA-chronic pain and PA-moderate-to-severe chronic pain interactions. RESULTS Leisure-time PA, exercise intensity and exercise duration were positively associated with CPT tolerance (p < .001; p = .011; p < .001). More PA was associated with higher CPT tolerance. At high levels of leisure-time PA and exercise intensity, men had a significantly higher CPT tolerance than women. Accelerometer-measured PA was not associated with CPT tolerance. CONCLUSIONS This study is one of the first to show that higher self-reported habitual PA was connected to higher experimental pain tolerance in a population-based sample, especially for men. This was not found for accelerometer-measured PA. SIGNIFICANCE This study finds that higher level of self-reported leisure-time physical activity is associated with increased cold pressor pain tolerance in a large population-based sample. Though present in both sexes, the association is strongest among men. Despite the robust dose-response relationship between pain tolerance and self-reported activity level, no such relationship was found for accelerometer-measured activity, reflecting a possible discrepancy in the aspect of physical activity measured. Though the study design does not permit causal conclusions, the findings suggest that increasing physical activity may increase pain tolerance in the general population.
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Affiliation(s)
- Anders P Årnes
- Department of Pain, Department of Community Medicine, University Hospital of North Norway, Tromsø, Norway.,Department of Community Medicine, UiT The Arctic University of Norway, Tromsø, Norway
| | - Christopher S Nielsen
- Division of Mental and Physical Health, Norwegian Institute of Public Health, Oslo, Norway.,Department of Pain Management and Research, Division of Emergencies and Critical Care, Oslo University Hospital, Oslo, Norway
| | - Audun Stubhaug
- Department of Pain Management and Research, Division of Emergencies and Critical Care, Oslo University Hospital, Oslo, Norway.,Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Mats K Fjeld
- Division of Mental and Physical Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Laila A Hopstock
- Department of Community Medicine, UiT The Arctic University of Norway, Tromsø, Norway
| | - Alexander Horsch
- Department of Computer Science, UiT The Arctic University of Norway, Tromsø, Norway
| | - Aslak Johansen
- Department of Pain, Department of Community Medicine, University Hospital of North Norway, Tromsø, Norway
| | - Bente Morseth
- School of Sport Sciences, UiT The Arctic University of Norway, Tromsø, Norway
| | - Tom Wilsgaard
- Department of Community Medicine, UiT The Arctic University of Norway, Tromsø, Norway
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Smith MT, Mun CJ, Remeniuk B, Finan PH, Campbell CM, Buenaver LF, Robinson M, Fulton B, Tompkins DA, Tremblay JM, Strain EC, Irwin MR. Experimental sleep disruption attenuates morphine analgesia: findings from a randomized trial and implications for the opioid abuse epidemic. Sci Rep 2020; 10:20121. [PMID: 33208831 PMCID: PMC7674501 DOI: 10.1038/s41598-020-76934-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 11/03/2020] [Indexed: 11/08/2022] Open
Abstract
Preclinical studies demonstrate that sleep disruption diminishes morphine analgesia and modulates reward processing. We sought to translate these preclinical findings to humans by examining whether sleep disruption alters morphine's analgesic and hedonic properties. We randomized 100 healthy adults to receive morphine versus placebo after two nights of undisturbed sleep (US) and two nights of forced awakening (FA) sleep disruption. Sleep conditions were counterbalanced, separated by a two-week washout. The morning after both sleep conditions, we tested cold pressor pain tolerance before and 40-min after double-blind injection of .08 mg/kg morphine or placebo. The primary outcome was the analgesia index, calculated as the change in cold pressor hand withdrawal latency (HWL) before and after drug injection. Secondary outcomes were ratings of feeling "high," drug "liking," and negative drug effects. We found a significant sleep condition by drug interaction on the analgesia index (95% CI - 0.57, - 0.001). After US, subjects receiving morphine demonstrated significantly longer HWL compared to placebo (95% CI 0.23, 0.65), but not after FA (95% CI - 0.05, 0.38). Morphine analgesia was diminished threefold under FA, relative to US. After FA, females (95% CI - 0.88, - 0.05), but not males (95% CI - 0.23, 0.72), reported decreased subjective "high" effects compared to US. After FA, females (95% CI 0.05, 0.27), but not males (95% CI - 0.10, 0.11), administered morphine reported increased negative drug effects compared to US. These data demonstrate that sleep disruption attenuates morphine analgesia in humans and suggest that sleep disturbed males may be at greatest risk for problematic opioid use.
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Affiliation(s)
- Michael T Smith
- Division of Behavioral Medicine, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University, School of Medicine, 5510 Nathan Shock Drive, Suite 100, Baltimore, MD, 21225, USA.
| | - Chung Jung Mun
- Division of Behavioral Medicine, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University, School of Medicine, 5510 Nathan Shock Drive, Suite 100, Baltimore, MD, 21225, USA
| | - Bethany Remeniuk
- Division of Behavioral Medicine, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University, School of Medicine, 5510 Nathan Shock Drive, Suite 100, Baltimore, MD, 21225, USA
| | - Patrick H Finan
- Division of Behavioral Medicine, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University, School of Medicine, 5510 Nathan Shock Drive, Suite 100, Baltimore, MD, 21225, USA
| | - Claudia M Campbell
- Division of Behavioral Medicine, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University, School of Medicine, 5510 Nathan Shock Drive, Suite 100, Baltimore, MD, 21225, USA
| | - Luis F Buenaver
- Division of Behavioral Medicine, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University, School of Medicine, 5510 Nathan Shock Drive, Suite 100, Baltimore, MD, 21225, USA
| | | | - Brook Fulton
- Division of Behavioral Medicine, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University, School of Medicine, 5510 Nathan Shock Drive, Suite 100, Baltimore, MD, 21225, USA
| | | | | | - Eric C Strain
- Division of Behavioral Medicine, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University, School of Medicine, 5510 Nathan Shock Drive, Suite 100, Baltimore, MD, 21225, USA
| | - Michael R Irwin
- Cousins Center for Psychoneuroimmunology, UCLA Semel Institute for Neuroscience and Human Behavior, Los Angeles, CA, 90024, USA
- Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine At UCLA, Los Angeles, CA, 90095, USA
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Mertens MGCAM, Hermans L, Crombez G, Goudman L, Calders P, Van Oosterwijck J, Meeus M. Comparison of five conditioned pain modulation paradigms and influencing personal factors in healthy adults. Eur J Pain 2020; 25:243-256. [DOI: 10.1002/ejp.1665] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 08/14/2020] [Accepted: 09/16/2020] [Indexed: 01/24/2023]
Affiliation(s)
- Michel GCAM Mertens
- Research Group MOVANT Department of Rehabilitation Sciences and Physiotherapy (REVAKI) University of Antwerp Wilrijk Belgium
- Pain in Motion research group http://www.paininmotion.be/ Belgium
| | - Linda Hermans
- Pain in Motion research group http://www.paininmotion.be/ Belgium
- Department of Rehabilitation Sciences and Physiotherapy Faculty of Medicine and Health Sciences Ghent University Ghent Belgium
| | - Geert Crombez
- Department of Experimental Clinical and Health Psychology Ghent University Ghent Belgium
| | - Lisa Goudman
- Departments of Physiotherapy and Human Physiology Faculty of Physical Education & Physiotherapy Vrije Universiteit Brussel Ixelles Belgium
- Department of Neurosurgery University Hospital Brussels Jette Belgium
| | - Patrick Calders
- Department of Rehabilitation Sciences and Physiotherapy Faculty of Medicine and Health Sciences Ghent University Ghent Belgium
| | - Jessica Van Oosterwijck
- Research Group MOVANT Department of Rehabilitation Sciences and Physiotherapy (REVAKI) University of Antwerp Wilrijk Belgium
- Pain in Motion research group http://www.paininmotion.be/ Belgium
- Department of Rehabilitation Sciences and Physiotherapy Faculty of Medicine and Health Sciences Ghent University Ghent Belgium
- Research Foundation – Flanders (FWO) Brussels Belgium
| | - Mira Meeus
- Research Group MOVANT Department of Rehabilitation Sciences and Physiotherapy (REVAKI) University of Antwerp Wilrijk Belgium
- Pain in Motion research group http://www.paininmotion.be/ Belgium
- Department of Rehabilitation Sciences and Physiotherapy Faculty of Medicine and Health Sciences Ghent University Ghent Belgium
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Exercise-induced hypoalgesia after acute and regular exercise: experimental and clinical manifestations and possible mechanisms in individuals with and without pain. Pain Rep 2020; 5:e823. [PMID: 33062901 PMCID: PMC7523781 DOI: 10.1097/pr9.0000000000000823] [Citation(s) in RCA: 104] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 03/02/2020] [Accepted: 04/21/2020] [Indexed: 01/07/2023] Open
Abstract
This review describes methodology used in the assessment of the manifestations of exercise-induced hypoalgesia in humans and previous findings in individuals with and without pain. Possible mechanisms and future directions are discussed. Exercise and physical activity is recommended treatment for a wide range of chronic pain conditions. In addition to several well-documented effects on physical and mental health, 8 to 12 weeks of exercise therapy can induce clinically relevant reductions in pain. However, exercise can also induce hypoalgesia after as little as 1 session, which is commonly referred to as exercise-induced hypoalgesia (EIH). In this review, we give a brief introduction to the methodology used in the assessment of EIH in humans followed by an overview of the findings from previous experimental studies investigating the pain response after acute and regular exercise in pain-free individuals and in individuals with different chronic pain conditions. Finally, we discuss potential mechanisms underlying the change in pain after exercise in pain-free individuals and in individuals with different chronic pain conditions, and how this may have implications for clinical exercise prescription as well as for future studies on EIH.
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61
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Exercise-induced pain threshold modulation in healthy subjects: a systematic review and meta-analysis. ACTA ACUST UNITED AC 2020; 6:11-28. [PMID: 33409362 DOI: 10.21801/ppcrj.2020.63.2] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Background The use of exercise is a potential treatment option to modulate pain (exercise-induced hypoalgesia). The pain threshold (PT) response is a measure of pain sensitivity that may be a useful marker to assess the effect of physical exercise on pain modulation. Aim The aim of this systematic review and meta-analysis is to evaluate the PT response to exercise in healthy subjects. Methods We searched in MEDLINE, EMBASE, Web of Science, Lilacs, and Scopus using a search strategy with the following search terms: "exercise" OR "physical activity" AND "Pain Threshold" from inception to December 2nd, 2019. As criteria for inclusion of appropriate studies: randomized controlled trials or quasi-experimental studies that enrolled healthy subjects; performed an exercise intervention; assessed PT. Hedge's effect sizes of PT response and their 95% confidence intervals were calculated, and random-effects meta-analyses were performed. Results For the final analysis, thirty-six studies were included (n=1326). From this we found a significant and homogenous increase in PT in healthy subjects (ES=0.19, 95% CI= 0.11 to 0.27, I2=7.5%). According to subgroup analysis the effect was higher in studies: with women (ES=0.36); performing strength exercise (ES=0.34), and with moderate intensity (ES=0.27), and no differences by age were found. Confirmed by the meta-regression analysis. Conclusion This meta-analysis provides evidence of small to moderate effects of exercise on PT in healthy subjects, being even higher for moderate strength exercise and in women. These results support the idea of modulation of the endogenous pain system due to exercise and highlight the need of clinical translation to chronic pain population.
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62
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Stefanik JJ, Frey-Law L, Segal NA, Niu J, Lewis CE, Nevitt MC, Neogi T. The relation of peripheral and central sensitization to muscle co-contraction: the MOST study. Osteoarthritis Cartilage 2020; 28:1214-1219. [PMID: 32585174 PMCID: PMC7727285 DOI: 10.1016/j.joca.2020.06.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 05/27/2020] [Accepted: 06/12/2020] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To examine the relation of pain sensitization to altered motor activity in knee OA as assessed by hamstrings muscle co-contraction during maximal effort knee extension. DESIGN Medial, lateral, and overall hamstring co-contraction was assessed in the Multicenter Osteoarthritis (MOST) Study cohort using electromyography during isokinetic knee extension at 60°/second. Mechanical temporal summation of pain (TS) was assessed at the right wrist and pressure pain thresholds (PPT) were assessed at the patellae; PPTs were categorized into sex-specific tertiles. Muscle co-contraction was categorized into age- and sex-specific tertiles. We evaluated the relation of measures of sensitization to muscle co-contraction using a generalized logistic regression model. RESULTS 1633 participants were included: mean age and BMI was 67.3 ± 7.7 years and 30.3 ± 5.6 kg/m2, respectively; 58% were female. Presence of TS was associated with higher overall (OR 1.3, 95% confidence interval (CI) (1.0-1.8)), medial (1.4 (1.0-1.9), and lateral (1.3 (1.0, 1.9)) hamstring co-contraction. The lowest PPT tertile (greater sensitivity) was associated with higher overall (1.5 (1.0, 2.3)) and medial (1.5 (1.0, 2.3)) hamstring co-contraction compared with those in the highest PPT tertile. CONCLUSION Greater pain sensitization, as assessed by presence of TS at the wrist and low patellar PPT, was associated with greater overall and medial hamstring co-contraction during knee extension. This provides support to the possibility that peripheral and/or central nervous system alterations may not only affect pain sensitivity, but also motor function.
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Affiliation(s)
- J J Stefanik
- Northeastern University, Boston, MA, USA; Boston University School of Medicine, Boston, MA, USA.
| | | | - N A Segal
- University of Iowa, Iowa City, USA; University of Kansas Medical Center, Kansas City, KS, USA
| | - J Niu
- Baylor College of Medicine, Houston, TX, USA
| | - C E Lewis
- Univerity of Alabama at Birmingham, Birmingham, USA
| | - M C Nevitt
- University of California San Francisco, San Francisco, USA
| | - T Neogi
- Boston University School of Medicine, Boston, MA, USA
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Fiedler LS, Machado LA, Costa YM, Conti PCR, Bonjardim LR. Influence of self-reported physical activity and sleep quality on conditioned pain modulation in the orofacial region. Clin Oral Investig 2020; 25:1195-1202. [PMID: 32643089 DOI: 10.1007/s00784-020-03424-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 06/19/2020] [Indexed: 11/24/2022]
Abstract
OBJECTIVES To evaluate the influence of self-reported physical activity and sleep quality on conditioned pain modulation (CPM) in the orofacial region. MATERIALS AND METHODS Ninety healthy participants aged 18-50 years old were evenly distributed according to the level of physical activity into low, moderate, and high level. The classification of physical activity was based on modified criteria of the International Physical Activity Questionnaire (IPAQ), considering intensity, duration, and frequency of physical activity. The Pittsburgh Sleep Quality Index (PSQI) assessed sleep quality and the individuals were then classified as good or poor sleepers. CPM was assessed using the pressure pain threshold (PPT) of the anterior temporalis as test stimulus and hand immersion in hot water as conditioning stimulus. ANOVA was applied to the data and Tukey's posttest was applied when the main effects or interactions were significant (p < 0.050). RESULTS There was no significant main effect of neither physical activity nor sleep quality on pain modulation. However, individuals who reported high level of physical activity and good quality of sleep had a greater pain modulation (- 0.60 ± 0.34) when compared with those who reported moderate (- 0.10 ± 0.25) and low level of physical activity (- 0.10 ± 0.52) and good sleep quality (p < 0.028). CONCLUSIONS Pain modulation seems to be more efficient in individuals who report a good sleep quality and a high level of physical activity. CLINICAL RELEVANCE Conditioned pain modulation is highly variable in healthy people. Therefore, a multifactorial approach should be taken into consideration in the evaluation of the efficacy of endogenous analgesia.
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Affiliation(s)
- Leticia Soares Fiedler
- Department of Prosthodontics, Bauru School of Dentistry, University of São Paulo, Bauru, Brazil
| | - Laila Aguiar Machado
- Department of Prosthodontics, Bauru School of Dentistry, University of São Paulo, Bauru, Brazil
| | - Yuri Martins Costa
- Department of Biosciences, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil
| | | | - Leonardo Rigoldi Bonjardim
- Department of Biological Sciences, Bauru School of Dentistry, University of Sao Paulo, Al. Octávio Pinheiro Brizolla 9-75 CEP Vila Universitária, Bauru, SP, 17012-901, Brazil.
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Castonguay J, Turcotte S, Fleet RP, Archambault PM, Dionne CE, Denis I, Foldes-Busque G. Physical activity and disability in patients with noncardiac chest pain: a longitudinal cohort study. Biopsychosoc Med 2020; 14:12. [PMID: 32612673 PMCID: PMC7324967 DOI: 10.1186/s13030-020-00185-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 06/23/2020] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Noncardiac chest pain (NCCP) is one of the leading reasons for emergency department visits and significantly limits patients' daily functioning. The protective effect of physical activity has been established in a number of pain problems, but its role in the course of NCCP is unknown. This study aimed to document the level of physical activity in patients with NCCP and its association with NCCP-related disability in the 6 months following an emergency department visit. METHODS In this prospective, longitudinal, cohort study, participants with NCCP were recruited in two emergency departments. They were contacted by telephone for the purpose of conducting a medical and sociodemographic interview, after which a set of questionnaires was sent to them. Participants were contacted again 6 months later for an interview aimed to assess their NCCP-related disability. RESULTS The final sample consisted of 279 participants (57.0% females), whose mean age was 54.6 (standard deviation = 15.3) years. Overall, the proportion of participants who were physically active in their leisure time, based on the Actimètre questionnaire criteria, was 22.0%. Being physically active at the first measurement time point was associated with a 38% reduction in the risk of reporting NCCP-related disability in the following 6 months (ρ = .047). This association remained significant after controlling for confounding variables. CONCLUSIONS Being physically active seems to have a protective effect on the occurrence of NCCP-related disability in the 6 months following an emergency department visit with NCCP. These results point to the importance of further exploring the benefits of physical activity in this population.
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Affiliation(s)
- Joanne Castonguay
- School of Psychology, Université Laval, Pavillon Félix-Antoine-Savard, 2325 Allée des Bibliothèques, Québec, QC G1V 0A6 Canada
- Centre intégré de santé et de services sociaux de Chaudière-Appalaches, 143 Rue Wolfe,, Lévis, QC G6V 3Z1 Canada
| | - Stéphane Turcotte
- Centre intégré de santé et de services sociaux de Chaudière-Appalaches, 143 Rue Wolfe,, Lévis, QC G6V 3Z1 Canada
| | - Richard P Fleet
- Département de médecine familiale et de médecine d’urgence, Université Laval, Pavillon Ferdinand-Vandry, 1050 Avenue de la Médecine, Québec, QC G1V 0A6 Canada
| | - Patrick M Archambault
- Centre intégré de santé et de services sociaux de Chaudière-Appalaches, 143 Rue Wolfe,, Lévis, QC G6V 3Z1 Canada
| | - Clermont E Dionne
- Centre intégré de santé et de services sociaux de Chaudière-Appalaches, 143 Rue Wolfe,, Lévis, QC G6V 3Z1 Canada
| | - Isabelle Denis
- School of Psychology, Université Laval, Pavillon Félix-Antoine-Savard, 2325 Allée des Bibliothèques, Québec, QC G1V 0A6 Canada
- Centre intégré de santé et de services sociaux de Chaudière-Appalaches, 143 Rue Wolfe,, Lévis, QC G6V 3Z1 Canada
| | - Guillaume Foldes-Busque
- School of Psychology, Université Laval, Pavillon Félix-Antoine-Savard, 2325 Allée des Bibliothèques, Québec, QC G1V 0A6 Canada
- Centre intégré de santé et de services sociaux de Chaudière-Appalaches, 143 Rue Wolfe,, Lévis, QC G6V 3Z1 Canada
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Smith A, Ritchie C, Warren J, Sterling M. Exercise-induced Hypoalgesia Is Impaired in Chronic Whiplash-associated Disorders (WAD) With Both Aerobic and Isometric Exercise. Clin J Pain 2020; 36:601-611. [DOI: 10.1097/ajp.0000000000000845] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Silva MLD, Miyamoto GC, Franco KFM, Franco YRDS, Cabral CMN. Different weekly frequencies of Pilates did not accelerate pain improvement in patients with chronic low back pain. Braz J Phys Ther 2020; 24:287-292. [PMID: 31153789 PMCID: PMC7253875 DOI: 10.1016/j.bjpt.2019.05.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 04/14/2019] [Accepted: 05/07/2019] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Recent evidence recommends Pilates for the treatment of chronic low back pain. However, it is still unknown if different weekly frequencies of Pilates can accelerate the improvement of symptoms in patients with chronic low back pain verified by a daily pain assessment. OBJECTIVE To analyze whether different weekly frequencies of Pilates can accelerate pain reduction by 30%, 50%, and 100% in patients with non-specific chronic low back pain and the necessary number of weeks to reach these improvements. METHODS Two hundred and twenty-two patients were randomized into three groups: Pilates group 1 received treatment once a week, Pilates group 2 received treatment twice a week, and Pilates group 3 received treatment three times a week. All groups received Pilates for six weeks. Pain intensity was measured daily before and after each intervention session using the Pain Numerical Rating Scale. The assessor was not blind. RESULTS The survival analysis showed that all Pilates groups had a pain reduction of 30%, 50%, and 100% at the same speed during treatment. There was no difference between the different weekly frequencies of Pilates for any of the comparisons (p>0.05). After the first week of treatment, 44.6% of the patients in Pilates group 3 showed complete pain improvement, followed by 37.8% of the patients in Pilates group 2 and 29.7% in Pilates group 1. After the last week, 71.6% (Pilates group 1), 77% (Pilates group 2), and 78.4% (Pilates group 3) of the patients reported complete improvement of symptoms. CONCLUSION Different weekly frequencies of Pilates did not accelerate pain improvement in patients with non-specific chronic low back pain. Registered in Clinical Trials Registry: NCT02241538 (https://clinicaltrials.gov/ct2/show/NCT02241538).
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Affiliation(s)
- Maria Liliane da Silva
- Master's and Doctoral Program in Physical Therapy, Universidade Cidade de São Paulo (UNICID), São Paulo, SP, Brazil
| | - Gisela Cristiane Miyamoto
- Master's and Doctoral Program in Physical Therapy, Universidade Cidade de São Paulo (UNICID), São Paulo, SP, Brazil.
| | | | | | - Cristina Maria Nunes Cabral
- Master's and Doctoral Program in Physical Therapy, Universidade Cidade de São Paulo (UNICID), São Paulo, SP, Brazil
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Ackerman JM, Goesling J, Krishna A. Pain scales as placebos: Can pain scales change reported pain across measurements? JOURNAL OF EXPERIMENTAL SOCIAL PSYCHOLOGY 2020. [DOI: 10.1016/j.jesp.2020.103961] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Pain inhibition is not affected by exercise-induced pain. Pain Rep 2020; 5:e817. [PMID: 32440610 PMCID: PMC7209813 DOI: 10.1097/pr9.0000000000000817] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 11/06/2019] [Accepted: 12/02/2019] [Indexed: 01/03/2023] Open
Abstract
Introduction: Offset analgesia (OA) and conditioned pain modulation (CPM) are frequently used paradigms to assess the descending pain modulation system. Recently, it was shown that both paradigms are reduced in chronic pain, but the influence of acute pain has not yet been adequately examined. Objectives: The aim of this study is to investigate OA and CPM after exercise-induced pain to evaluate whether these tests can be influenced by delayed-onset muscle soreness (DOMS) at a local or remote body site. Methods: Forty-two healthy adults were invited to 3 separate examination days: a baseline appointment, the consecutive day, and 7 days later. Participants were randomly divided into a rest (n = 21) and an exercise group (n = 21). The latter performed a single intensive exercise for the lower back. Before, immediately after, and on the following examination days, OA and CPM were measured at the forearm and the lower back by blinded assessor. Results: The exercise provoked a moderate pain perception and a mild delayed-onset muscle soreness on the following day. Repeated-measurements analysis of variance showed no statistically significant main effect for either OA or CPM at the forearm or lower back (P > 0.05). Conclusion: Delayed-onset muscle soreness was shown to have no effect on the inhibitory pain modulation system neither locally (at the painful body part), nor remotely. Thus, OA and CPM are robust test paradigms that probably require more intense, different, or prolonged pain to be modulated.
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Mechanistic pain profiling in young adolescents with patellofemoral pain before and after treatment: a prospective cohort study. Pain 2020; 161:1065-1071. [DOI: 10.1097/j.pain.0000000000001796] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Cox ER, Coombes JS, Keating SE, Burton NW, Coombes BK. Not a Painless Condition: Rheumatological and Musculoskeletal Symptoms in Type 2 Diabetes, and the Implications for Exercise Participation. Curr Diabetes Rev 2020; 16:211-219. [PMID: 31146662 DOI: 10.2174/1573399815666190531083504] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 04/15/2019] [Accepted: 05/03/2019] [Indexed: 12/13/2022]
Abstract
OBJECTIVES People with type 2 diabetes (T2D) are more likely to develop a range of rheumatological and musculoskeletal symptoms (RMS), and experience both chronic and widespread pain, compared with the general population. However, these symptoms are not commonly acknowledged by researchers, which hampers our understanding of the impact on this population. Since exercise is a key lifestyle management strategy for T2D and participation levels are typically low, understanding the potential impact of RMS on exercise participation is critical. The aim of this review is to summarise the literature regarding the prevalence and pathophysiology of RMS in T2D, the evidence for the benefits and risks associated with exercise on RMS, and the currently available tools for the reporting of RMS in both research studies and community settings. METHODS A narrative review. RESULTS There are numerous exercise trials in T2D, but few have sufficiently reported pain-related adverse events and even fewer have investigated the effects of exercise on RMS and chronic pain. DISCUSSION Recommendations for future research are provided.
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Affiliation(s)
- Emily R Cox
- School of Human Movement and Nutrition Sciences, The University of Queensland, St. Lucia, Queensland, Australia
| | - Jeff S Coombes
- School of Human Movement and Nutrition Sciences, The University of Queensland, St. Lucia, Queensland, Australia
| | - Shelley E Keating
- School of Human Movement and Nutrition Sciences, The University of Queensland, St. Lucia, Queensland, Australia
| | - Nicola W Burton
- School of Applied Psychology, Griffith University, Mt. Gravatt, Queensland, Australia
| | - Brooke K Coombes
- School of Allied Health Sciences, Griffith University, Nathan, Queensland, Australia
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Mani R, Adhia DB, Leong SL, Vanneste S, De Ridder D. Sedentary behaviour facilitates conditioned pain modulation in middle-aged and older adults with persistent musculoskeletal pain: a cross-sectional investigation. Pain Rep 2019; 4:e773. [PMID: 31875181 PMCID: PMC6882573 DOI: 10.1097/pr9.0000000000000773] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 06/12/2019] [Accepted: 06/15/2019] [Indexed: 11/25/2022] Open
Abstract
INTRODUCTION Higher physical activity (PA) and lower sedentary behaviour (SB) levels have demonstrated beneficial effects on temporal summation (TS) and conditioned pain modulation (CPM) in healthy adults. This cross-sectional study investigated the relationships between PA and SB and TS/CPM responses in individuals with chronic musculoskeletal pain. METHODS Sixty-seven middle-aged and older adults with chronic musculoskeletal pain were recruited from the community. Questionnaires measuring demographics, pain, and psychological measures were completed. Physical activity/SB levels were measured using the International Physical Activity Questionnaire-short form and Sedentary Behaviour Questionnaire, respectively. Semmes monofilament was used to assess mechanical TS (MTS) at the most symptomatic (MTS-S) and a reference region (MTS-R); change in the pain scores (baseline-10th application) was used for analysis. Conditioned pain modulation procedure involved suprathreshold pressure pain threshold (PPT-pain4) administered before and after (CPM30sec, CPM60sec, and CPM90sec) conditioning stimulus (2 minutes; ∼12°C cold bath immersion). For analysis, PPT-pain4 (%) change scores were used. RESULTS PPT-pain4 (%) change scores at CPM30sec and CPM60sec demonstrated significant weak positive correlations with SB levels and weak negative correlations with PA measures. After adjusting for confounding variables, a significant positive association was found between SB (h/d) and PPT-pain4 (%) change scores at CPM30sec and CPM60sec. No significant associations between MTS and PA/SB measures. CONCLUSION Sedentariness is associated with higher pain inhibitory capacity in people with chronic musculoskeletal pain. The observed relationship may be characteristic of a protective (sedentary) behaviour to enhance pain modulatory mechanism. Prospective longitudinal studies using objective PA/SB measures are required to validate the observed relationship in a larger sample size.
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Affiliation(s)
- Ramakrishnan Mani
- Centre for Health, Activity, and Rehabilitation Research, School of Physiotherapy, University of Otago, Dunedin, New Zealand
| | - Divya Bharatkumar Adhia
- Centre for Health, Activity, and Rehabilitation Research, School of Physiotherapy, University of Otago, Dunedin, New Zealand
- Department of Surgical Sciences, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand
| | - Sook Ling Leong
- Department of Surgical Sciences, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand
- Global Brain Health Institute, Trinity College Dublin, Institute of Neuroscience, Ireland, Dublin
| | - Sven Vanneste
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX, USA
- Global Brain Health Institute, Trinity College Dublin, Institute of Neuroscience, Ireland, Dublin
| | - Dirk De Ridder
- Department of Surgical Sciences, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand
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Patients with Chronic Musculoskeletal Pain of 3-6-Month Duration Already Have Low Levels of Health-Related Quality of Life and Physical Activity. Curr Pain Headache Rep 2019; 23:81. [PMID: 31456081 DOI: 10.1007/s11916-019-0817-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
PURPOSE OF REVIEW To determine the level of physical activity and health-related quality of life in patients with chronic musculoskeletal pain of 3-6-month duration who have not been diagnosed or treated before. RECENT FINDINGS Low levels of quality of life and physical activity have been reported for patients with musculoskeletal pain with a duration of longer than 6 months. This study assessed the levels of quality of life and physical activity at the beginning stage of chronic musculuskeletal pain. Prospective cross-sectional study carried out at a musculoskeletal and sports medicine clinic. Eighty-five consecutive patients with muskuloskeletal (i.e., spine, peripheral joint, muscle, tendon) pain of 3-6-month duration, not diagnosed before, age 14 and older, and from either gender were recruited. Short Form-36 Health Survey and International Physical Activity Questionnaire long were administered during assessments. Scores on subscales of Short Form-36 Health Survey and total scores of International Physical Activity Questionnaire were used as outcome measures. A total of 85 patients with an age range of 15-86 (51.22 ± 15.99) were enrolled. There were 23 male (27.06%) and 62 (72.94%) female subjects. Forty-six (54.11%) patients had three or less painful regions; 39 (45.88%) had more than three painful regions. Majority of the patients had low scores on both Short Form-36 Health Survey subscales and International Physical Activity Questionnaire. Forty-nine patients had low, 32 patients had moderate, and 4 patients had high level of physical activity. Overall, females had lower level of physical activity in all age groups. All patients had less than optimal scores on all subscales of Physical Health and Mental Health scales of the Short Form-36. The female patients had lower scores in role physical and bodily pain subscales of physical health. Patients with musculoskeletal pain duration of 3-6 months have low levels of physical activity and health-related quality of life at the time of their first evaluation.
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Alsouhibani A, Vaegter HB, Hoeger Bement M. Systemic Exercise-Induced Hypoalgesia Following Isometric Exercise Reduces Conditioned Pain Modulation. PAIN MEDICINE 2019; 20:180-190. [PMID: 29618132 DOI: 10.1093/pm/pny057] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Objective Physically active individuals show greater conditioned pain modulation (CPM) compared with less active individuals. Understanding the effects of acute exercise on CPM may allow for a more targeted use of exercise in the management of pain. This study investigated the effects of acute isometric exercise on CPM. In addition, the between-session and within-session reliability of CPM was investigated. Design Experimental, randomized crossover study. Setting Laboratory at Marquette University. Subjects Thirty healthy adults (19.3±1.5 years, 15 males). Methods Subjects underwent CPM testing before and after isometric exercise (knee extension, 30% maximum voluntary contraction for three minutes) and quiet rest in two separate experimental sessions. Pressure pain thresholds (PPTs) at the quadriceps and upper trapezius muscles were assessed before, during, and after ice water immersions. Results PPTs increased during ice water immersion (i.e., CPM), and quadriceps PPT increased after exercise (P < 0.05). CPM decreased similarly following exercise and quiet rest (P > 0.05). CPM within-session reliability was fair to good (intraclass correlation coefficient [ICC] = 0.43-0.70), and the between-session reliability was poor (ICC = 0.20-0.35). Due to the variability in the systemic exercise-induced hypoalgesia (EIH) response, participants were divided into systemic EIH responders (N = 9) and nonresponders (N = 21). EIH responders experienced attenuated CPM following exercise (P = 0.03), whereas the nonresponders showed no significant change (P > 0.05). Conclusions Isometric exercise decreased CPM in individuals who reported systemic EIH, suggesting activation of shared mechanisms between CPM and systemic EIH responses. These results may improve the understanding of increased pain after exercise in patients with chronic pain and potentially attenuated CPM.
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Affiliation(s)
- Ali Alsouhibani
- Clinical and Translational Rehabilitation Health Sciences Program, Department of Physical Therapy, College of Health Sciences, Marquette University, Milwaukee, Wisconsin, USA
| | - Henrik Bjarke Vaegter
- Pain Research Group, Pain Center South, Department of Anesthesiology and Intensive Care Medicine, Odense University Hospital, Odense, Denmark.,Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
| | - Marie Hoeger Bement
- Clinical and Translational Rehabilitation Health Sciences Program, Department of Physical Therapy, College of Health Sciences, Marquette University, Milwaukee, Wisconsin, USA
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Recurrent low back pain patients demonstrate facilitated pronociceptive mechanisms when in pain, and impaired antinociceptive mechanisms with and without pain. Pain 2019; 160:2866-2876. [DOI: 10.1097/j.pain.0000000000001679] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Si H, Wang C, Jin Y, Tian X, Qiao X, Liu N, Dong L. Prevalence, Factors, and Health Impacts of Chronic Pain Among Community-Dwelling Older Adults in China. Pain Manag Nurs 2019; 20:365-372. [DOI: 10.1016/j.pmn.2019.01.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Revised: 11/14/2018] [Accepted: 01/24/2019] [Indexed: 02/08/2023]
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Zamunér AR, Andrade CP, Arca EA, Avila MA. Impact of water therapy on pain management in patients with fibromyalgia: current perspectives. J Pain Res 2019; 12:1971-2007. [PMID: 31308729 PMCID: PMC6613198 DOI: 10.2147/jpr.s161494] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Accepted: 05/20/2019] [Indexed: 11/23/2022] Open
Abstract
Exercise-related interventions have been recommended as one of the main components in the management of fibromyalgia syndrome (FMS). Water therapy, which combines water's physical properties and exercise benefits, has proven effective in improving the clinical symptoms of FMS, especially pain, considered the hallmark of this syndrome. However, to our knowledge, the mechanisms underlying water therapy effects on pain are still scarcely explored in the literature. Therefore, this narrative review aimed to present the current perspectives on water therapy and the physiological basis for the mechanisms supporting its use for pain management in patients with FMS. Furthermore, the effects of water therapy on the musculoskeletal, neuromuscular, cardiovascular, respiratory, and neuroendocrine systems and inflammation are also addressed. Taking into account the aspects reviewed herein, water therapy is recommended as a nonpharmacologic therapeutic approach in the management of FMS patients, improving pain, fatigue, and quality of life. Future studies should focus on clarifying whether mechanisms and long-lasting effects are superior to other types of nonpharmacological interventions, as well as the economic and societal impacts that this intervention may present.
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Affiliation(s)
| | | | - Eduardo Aguilar Arca
- Departamento de Fisioterapia, Universidade do Sagrado Coração, Bauru, São Paulo, Brasil
| | - Mariana Arias Avila
- Departamento de Fisioterapia e Programa de Pós-Graduação em Fisioterapia, Universidade Federal de São Carlos, São Carlos, São Paulo, Brasil
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Waller R, Smith A, Slater H, O’Sullivan P, Beales D, McVeigh J, Straker L. Associations of physical activity or sedentary behaviour with pain sensitivity in young adults of the Raine Study. Scand J Pain 2019; 19:679-691. [DOI: 10.1515/sjpain-2019-0038] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 05/02/2019] [Indexed: 02/02/2023]
Abstract
Abstract
Background and aims
There is high level evidence for physical activity (PA) improving outcomes in persistent pain disorders and one of the mechanisms proposed is the effect of exercise on central nociceptive modulation. Although laboratory studies and small field intervention studies suggest associations between physical activity and pain sensitivity, the association of objectively measured, habitual PA and sedentary behaviour (SB) with pain sensitivity requires further investigation. Current evidence suggests PA typically lowers pain sensitivity in people without pain or with single-site pain, whereas PA is frequently associated with an increase in pain sensitivity for those with multisite pain. The aim of this study was to explore the relationships of PA and SB with pain sensitivity measured by pressure pain thresholds and cold pain thresholds, considering the presence of single-site and multisite pain and controlling for potential confounders.
Methods
Participants from the Western Australian Pregnancy Cohort (Raine) Study (n = 714) provided data at age 22-years. PA and SB were measured via accelerometry over a 7-day period. Pain sensitivity was measured using pressure pain threshold (4 sites) and cold pain threshold (wrist). Participants were grouped by number of pain areas into “No pain areas” (n = 438), “Single-site pain” (n = 113) and “Multisite pain” (n = 163) groups. The association of PA and SB variables with pain sensitivity was tested separately within each pain group by multivariable regression, adjusting for potential confounders.
Results
For those with “Single-site pain”, higher levels (>13 min/day) of moderate-vigorous PA in ≥10 min bouts was associated with more pressure pain sensitivity (p = 0.035). Those with “Multisite pain” displayed increased cold pain sensitivity with greater amounts of vigorous PA (p = 0.011). Those with “No pain areas” displayed increased cold pain sensitivity with decreasing breaks from sedentary time (p = 0.046).
Conclusions
This study was a comprehensive investigation of a community-based sample of young adults with “No pain areas”, “Single-site pain” and “Multisite pain” and suggests some associations of measures of PA and SB with pain sensitivity.
Implications
The findings suggest that the pattern of accumulation of PA and SB may be important to inform improved clinical management of musculoskeletal pain disorders. This study provides a baseline for follow-up studies using the Raine Study cohort. Future research should consider temporal influences of PA and SB on pain sensitivity, pain experience and consider using a broader range of pain sensitivity measures.
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Affiliation(s)
- Robert Waller
- School of Physiotherapy and Exercise Science , Curtin University , GPO Box 1987 , Perth , Western Australia 6845, Australia
| | - Anne Smith
- School of Physiotherapy and Exercise Science , Curtin University , Perth, Western Australia , Australia
| | - Helen Slater
- School of Physiotherapy and Exercise Science , Curtin University , Perth, Western Australia , Australia
| | - Peter O’Sullivan
- School of Physiotherapy and Exercise Science , Curtin University , Perth, Western Australia , Australia
| | - Darren Beales
- School of Physiotherapy and Exercise Science , Curtin University , Perth, Western Australia , Australia
| | - Joanne McVeigh
- School of Occupational Therapy, Social Work and Speech Pathology, Curtin University , Perth, Western Australia , Australia
- Exercise Laboratory, School of Physiology, University of Witwatersrand , Johannesburg , South Africa
| | - Leon Straker
- School of Physiotherapy and Exercise Science , Curtin University , Perth, Western Australia , Australia
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79
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Nguy V, Barry BK, Moloney N, Hassett LM, Canning CG, Lewis SJG, Allen NE. Exercise-induced hypoalgesia is present in people with Parkinson's disease: Two observational cross-sectional studies. Eur J Pain 2019; 23:1329-1339. [PMID: 30980786 DOI: 10.1002/ejp.1400] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 03/17/2019] [Accepted: 04/07/2019] [Indexed: 11/11/2022]
Abstract
BACKGROUND Exercise is prescribed for people with Parkinson's disease to address motor and non-motor impairments, including pain. Exercise-induced hypoalgesia (i.e., an immediate reduction in pain sensitivity following exercise) is reported in the general population; however, the immediate response of pain sensitivity to exercise in people with Parkinson's disease is unknown. The purpose of this study was to investigate if exercise-induced hypoalgesia is present following isometric and aerobic exercise in people with Parkinson's disease, and if so, if it varies with the dose of aerobic exercise. METHODS Thirty people with idiopathic Parkinson's disease and pain-free age-matched controls completed two observational studies evaluating the response to: (a) right arm isometric exercise; and (b) treadmill walking at low and moderate intensities. Pressure pain thresholds were measured over biceps brachii and quadriceps muscles immediately before and after exercise, with increased thresholds after exercise indicating exercise-induced hypoalgesia. RESULTS Pressure pain thresholds increased in the Parkinson's disease group at all tested sites following all exercise bouts (e.g., isometric exercise, right bicep 29%; aerobic exercise, quadriceps, moderate intensity 8.9%, low intensity 7.1% (p ≤ 0.008)), with no effect of aerobic exercise dose (p = 0.159). Similar results were found in the control group. CONCLUSIONS Overall, people with Parkinson's disease experienced an exercise-induced hypoalgesia response similar to that of the control group, the extent of which did not vary between mild and moderate doses of aerobic exercise. Further research is warranted to investigate potential longer term benefits from exercise in the management of pain in this population. SIGNIFICANCE Isometric and aerobic exercise reduces pain sensitivity in people with Parkinson's disease. As exercise is important for people with Parkinson's disease, these results provide assurance that people with Parkinson's disease and pain can exercise without an immediate increase in pain sensitivity. The reduction in pain sensitivity with both modes and with low and moderate intensities of aerobic exercise suggests that people with Parkinson's disease can safely choose the mode and intensity of exercise that best suits their needs.
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Affiliation(s)
- Vanessa Nguy
- Faculty of Health Sciences, The University of Sydney, Sydney, Australia
| | - Benjamin K Barry
- School of Medical Sciences, University of New South Wales, Sydney, Australia.,Neuroscience Research Australia, Sydney, Australia.,School of Clinical Medicine, The University of Queensland, Brisbane, Australia
| | - Niamh Moloney
- Department of Health Sciences, Macquarie University, Sydney, Australia
| | - Leanne M Hassett
- Faculty of Health Sciences, The University of Sydney, Sydney, Australia.,School of Public Health, The University of Sydney, Sydney, Australia
| | - Colleen G Canning
- Faculty of Health Sciences, The University of Sydney, Sydney, Australia
| | - Simon J G Lewis
- The Brain and Mind Centre, The University of Sydney, Sydney, Australia
| | - Natalie E Allen
- Faculty of Health Sciences, The University of Sydney, Sydney, Australia
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80
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Kuppens K, Feijen S, Roussel N, Nijs J, Cras P, van Wilgen P, Struyf F. Training volume is associated with pain sensitivity, but not with endogenous pain modulation, in competitive swimmers. Phys Ther Sport 2019; 37:150-156. [PMID: 30978601 DOI: 10.1016/j.ptsp.2019.04.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 04/01/2019] [Accepted: 04/01/2019] [Indexed: 01/16/2023]
Abstract
OBJECTIVES To investigate the association of pain sensitivity and endogenous analgesia capacity, and training volume in a group of competitive swimmers. DESIGN An observational multi-center study. SETTING Multiple competitive swimming clubs. PARTICIPANTS 102 healthy competitive swimmers. MAIN OUTCOME MEASURES Training volume was estimated using self-reported information. Static and dynamic measures of pain were assessed using pressure pain thresholds (PPTs) and conditioned pain modulation (CPM), the latter as a measure of endogenous pain inhibition. Selected demographic and psychosocial measures were considered as possible confounding factors. RESULTS Moderate positive correlations (0.38 < r < 0.44; p < 0.01) exist between self-reported training volume and PPTs at widespread body areas in competitive swimmers. These results were maintained during linear regression analysis while addressing possible confounding factors such as age and selected psychosocial factors. No associations were found between self-reported training volume and conditioned pain modulation (-0.08 < r < 0.06; p > 0.05). CONCLUSIONS Self-reported swim training volume is associated with pain sensitivity in competitive swimmers. Swimmers who train more show higher pressure pain thresholds, indicating lower pain sensitivity. Swim training volume is not associated with endogenous nociceptive inhibitory capacity as determined using CPM.
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Affiliation(s)
- Kevin Kuppens
- Rehabilitation Sciences and Physiotherapy, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium; Department of Human Physiology and Physiotherapy, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium; Rehabilitation Sciences and Physiotherapy, Faculty of Medicine and Health Science, University of Antwerp, Antwerp, Belgium
| | - Stef Feijen
- Rehabilitation Sciences and Physiotherapy, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Nathalie Roussel
- Rehabilitation Sciences and Physiotherapy, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Jo Nijs
- Department of Human Physiology and Physiotherapy, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium; Rehabilitation Sciences and Physiotherapy, Faculty of Medicine and Health Science, University of Antwerp, Antwerp, Belgium; Department of Physiotherapy and Rehabilitation, University Hospital Brussels, Belgium
| | - Patrick Cras
- Rehabilitation Sciences and Physiotherapy, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium; Department of Neurology, University Hospital Antwerp, Belgium
| | - Paul van Wilgen
- Department of Human Physiology and Physiotherapy, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium; Rehabilitation Sciences and Physiotherapy, Faculty of Medicine and Health Science, University of Antwerp, Antwerp, Belgium; Transcare, Transdisciplinary Pain Management Centre, the Netherlands
| | - Filip Struyf
- Rehabilitation Sciences and Physiotherapy, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium.
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81
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Peterson JA, Schubert DJ, Campbell J, Bemben MG, Black CD. Endogenous Pain Inhibitory Function: Endurance-Trained Athletes vs Active Controls. PAIN MEDICINE 2019; 20:1822-1830. [DOI: 10.1093/pm/pnz014] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Abstract
Objective
Athletes are at risk for developing chronic pain conditions, but the role of exercise in the modulation of pain in athletes has not been well established. The aim of this study was to investigate conditioned pain modulation (CPM) and exercise-induced hypoalgesia (EIH) responses between 13 endurance-trained athletes and 13 normally active controls.
Methods
In a cross-sectional, nonrandomized study with two independent groups of college-aged males and females, pressure pain thresholds (PPTs) were assessed in the vastus lateralis (VL) and brachioradialis (BR) using a pressure algometer before and after a conditioning stimulus, an isometric hand grip exercise to failure, and a 30-minute run.
Results
PPTs increased following the conditioning stimulus, indicating a CPM response, to a similar degree in the BR (19.3% ± 26.5% vs 18.6% ± 16.2%, P = 0.93) and VL (18.9% ± 25.9% vs 28.7% ± 27.4%, P = 0.73) in the athletes and controls. PPTs increased following isometric exercise to a similar extent in athletes and controls in the BR (23.9% ± 22.8% vs 28.2% ± 24.0%, P = 0.75) and VL (15.8% ± 14.8% vs 15.5% ± 11.6%, P = 0.94). Following 30 minutes of running, EIH was similar between athletes and controls in the VL (21.2% ± 17.2% vs 13.8% ± 13.3%, P = 0.23) but was attenuated in the BR of the athletes (6.1% ± 16.9% vs 20.9% ± 20%, P = 0.047).
Conclusions
Athletes and controls exhibited similar endogenous pain inhibitory function both locally and systemically following CPM and isometric, upper body exercise. After the 30-minute run, BR EIH was reduced in the athletes compared with controls, suggesting a reduced systemic response following familiar exercise—perhaps due to the exercise being perceived as less painful and/or effortful.
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Affiliation(s)
- Jessica A Peterson
- Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma, USA
| | - Daniel J Schubert
- Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma, USA
| | - Jason Campbell
- Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma, USA
| | - Michael G Bemben
- Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma, USA
| | - Christopher D Black
- Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma, USA
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82
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The Magnitude of Offset Analgesia as a Measure of Endogenous Pain Modulation in Healthy Participants and Patients With Chronic Pain. Clin J Pain 2019; 35:189-204. [DOI: 10.1097/ajp.0000000000000657] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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83
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Oura P, Hautala A, Kiviniemi A, Auvinen J, Puukka K, Tulppo M, Huikuri H, Seppänen T, Karppinen J. Musculoskeletal pains and cardiovascular autonomic function in the general Northern Finnish population. BMC Musculoskelet Disord 2019; 20:45. [PMID: 30704437 PMCID: PMC6357438 DOI: 10.1186/s12891-019-2426-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Accepted: 01/18/2019] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND Heart rate variability (HRV) and baroreflex sensitivity (BRS) measurements provide means for the objective assessment of cardiovascular autonomic function. As previous studies have associated chronic pain with abnormal autonomic function, we aimed to characterize the relationship between the number of musculoskeletal pain sites (NPS), pain intensity, and cardiovascular autonomic function among the population-based Northern Finland Birth Cohort 1966. METHODS At the age of 46, cohort members self-reported their musculoskeletal pains (enabling the determination of NPS [0-8] and pain intensity [Numerical Rating Scale, NRS, 0-10]) and underwent clinical assessments of cardiovascular autonomic function in seated and standing positions (HRV variables: heart rate [HR] and root mean square of successive differences in beat-to-beat intervals [rMSSD] for the entire cohort; BRS variables: low-frequency systolic blood pressure variability [SBPV] and cross-spectral baroreflex sensitivity [BRS] for those attending the examination in Oulu, Finland). Extensive confounder data were also collected (body mass index, physical activity, smoking, Hopkins Symptom Checklist-25, comorbidities, and medications). The full samples included 4186 and 2031 individuals (HRV and BRS samples, respectively). Three subanalyses focused on individuals with intense and frequent pain, individuals with symptoms of depression and anxiety, and the relationship between pain intensity and autonomic parameters. RESULTS Linear regression models showed varying associations between NPS, pain intensity, and cardiovascular autonomic parameters. However, after all adjustments NPS was only associated with one outcome among women (BRS, standing: beta = - 0.015, p = 0.048) and two among men (HR, seated: beta = - 0.902, p = 0.003; HR, standing: beta = - 0.843, p = 0.014). Pain intensity was not associated with any outcome after full adjustments. Significant sex*pain interactions were found in the data. CONCLUSIONS Our data suggest that musculoskeletal pain has, at most, a limited independent association with cardiovascular autonomic function. Future studies should carefully account for the potential confounders and sex interactions that this study revealed.
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Affiliation(s)
- Petteri Oura
- Faculty of Medicine, Center for Life Course Health Research, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland. .,Medical Research Center Oulu, Oulu University Hospital and University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland.
| | - Arto Hautala
- Faculty of Information Technology and Electrical Engineering, Center for Machine Vision and Signal Analysis, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland
| | - Antti Kiviniemi
- Medical Research Center Oulu, Oulu University Hospital and University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland.,Faculty of Medicine, Research Unit of Internal Medicine, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland
| | - Juha Auvinen
- Faculty of Medicine, Center for Life Course Health Research, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland.,Medical Research Center Oulu, Oulu University Hospital and University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland
| | - Katri Puukka
- Medical Research Center Oulu, Oulu University Hospital and University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland.,NordLab Oulu, Oulu University Hospital and Department of Clinical Chemistry, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland
| | - Mikko Tulppo
- Medical Research Center Oulu, Oulu University Hospital and University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland.,Faculty of Medicine, Research Unit of Internal Medicine, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland
| | - Heikki Huikuri
- Medical Research Center Oulu, Oulu University Hospital and University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland.,Faculty of Medicine, Research Unit of Internal Medicine, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland
| | - Tapio Seppänen
- Faculty of Information Technology and Electrical Engineering, Center for Machine Vision and Signal Analysis, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland
| | - Jaro Karppinen
- Faculty of Medicine, Center for Life Course Health Research, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland.,Medical Research Center Oulu, Oulu University Hospital and University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland.,Finnish Institute of Occupational Health, Aapistie 1, FI-90220, Oulu, Finland
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84
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Clinical Outcomes and Central Pain Mechanisms are Improved After Upper Trapezius Eccentric Training in Female Computer Users With Chronic Neck/Shoulder Pain. Clin J Pain 2019; 35:65-76. [DOI: 10.1097/ajp.0000000000000656] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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85
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Dorsey SG, Resnick BM, Renn CL. Precision Health: Use of Omics to Optimize Self-Management of Chronic Pain in Aging. Res Gerontol Nurs 2018; 11:7-13. [PMID: 29370441 DOI: 10.3928/19404921-20171128-01] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Chronic pain has become a public health epidemic based on the number of Americans affected and its associated health care costs. Unfortunately, there are few efficacious treatments to manage chronic pain and as the population of older adults and centenarians who are at high risk for chronic pain continues to grow, the chronic pain epidemic will continue to worsen unless new therapeutic strategies are discovered. In the current era of precision medicine, there is a major emphasis being placed on the use of self-management and omics to discover new therapeutic targets and design treatment strategies that are tailored to the individual patient. This commentary discusses the current state of the science related to omics and self-management of chronic pain in older adults, the role of gerontological nurses in this process, and future directions. [Res Gerontol Nurs. 2018; 11(1):7-13.].
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86
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Comparisons of Conditioned Pain Modulation and Physical Activity Between Hispanic and Non-Hispanic White Adults. J Racial Ethn Health Disparities 2018; 6:472-480. [PMID: 30478510 DOI: 10.1007/s40615-018-00544-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 11/01/2018] [Accepted: 11/09/2018] [Indexed: 12/26/2022]
Abstract
It is well-documented that adults of racial/ethnic minorities experience pain more frequently and suffer from more severe pain compared to non-Hispanic White (NHW) adults. These observations are consistent with laboratory findings that adults of racial/ethnic minorities show increased sensitivity to laboratory pain stimuli compared to NHW adults. Research generally shows that central pain inhibitory processing, as quantified using conditioned pain modulation (CPM), serves as a risk factor of clinical pain. Currently, racial/ethnic differences in CPM are poorly understood, and research suggests that physical activity (PA) may help understand potential racial/ethnic differences in CPM. However, very little is known regarding CPM in Hispanic compared to NHW adults. Therefore, the present study compared CPM and PA between Hispanic and NHW adults. Twenty-one young, healthy Hispanic and 21 NHW adults completed validated questionnaires to assess PA, pain catastrophizing, and dispositional optimism. The participants then completed the CPM test to quantify changes in pain ratings to electrical stimuli delivered to the ankle during concurrent application of pressure pain applied to the finger compared to baseline. Results indicated that Hispanic and NHW adults exhibited comparable CPM responses and PA levels, along with similar levels of pain catastrophizing and dispositional optimism (p > 0.05). These results suggest that young, healthy Hispanic and NHW adults may possess a similar risk of clinical pain when they are comparable in PA, pain catastrophizing, and dispositional optimism. More research is needed to explore the role of PA in racial/ethnic disparities in clinical pain and central pain inhibitory processing.
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87
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Moana-Filho EJ, Herrero Babiloni A. Endogenous pain modulation in chronic temporomandibular disorders: Derivation of pain modulation profiles and assessment of its relationship with clinical characteristics. J Oral Rehabil 2018; 46:219-232. [DOI: 10.1111/joor.12745] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 09/26/2018] [Accepted: 10/31/2018] [Indexed: 01/14/2023]
Affiliation(s)
- Estephan J. Moana-Filho
- Division of TMD & Orofacial Pain, School of Dentistry; University of Minnesota; Minneapolis Minnesota
| | - Alberto Herrero Babiloni
- Division of TMD & Orofacial Pain, School of Dentistry; University of Minnesota; Minneapolis Minnesota
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88
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OHLMAN THOMAS, MILLER LEAH, NAUGLE KEITHE, NAUGLE KELLYM. Physical Activity Levels Predict Exercise-induced Hypoalgesia in Older Adults. Med Sci Sports Exerc 2018; 50:2101-2109. [DOI: 10.1249/mss.0000000000001661] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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89
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Awali A, Alsouhibani AM, Hoeger Bement M. Lean mass mediates the relation between temporal summation of pain and sex in young healthy adults. Biol Sex Differ 2018; 9:42. [PMID: 30219100 PMCID: PMC6139152 DOI: 10.1186/s13293-018-0200-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Accepted: 08/28/2018] [Indexed: 12/03/2022] Open
Abstract
Background Previous studies have shown that women experience greater temporal summation (TS) of pain than men using a repetitive thermal stimulus. These studies, however, did not individualize the thermal stimulus to each subject’s thermal pain sensitivity. The aim of this study was to investigate sex differences in TS using an individualized protocol and potential mediators that have been shown to influence TS including physical activity and body composition. Methods Fifty young healthy men and women (21 men) participated in the study. Subjects completed TS testing on the right forearm using a repetitive thermal stimulus at a temperature that the subject reported 6/10 pain. Other testing included body composition (lunar iDXA), activity monitoring (Actigraph), and Pain Catastrophizing Scale (PCS). Results Women reported greater TS than men (p = 0.019), and TS was correlated with right arm lean mass (r = − 0.36, p = 0.01) and magnification subscale of PCS (r = − 0.32, p = 0.03). Mediation analysis showed a complete mediation for the relation between sex and TS by right arm lean mass (indirect effect = 2.33, 95% BCa CI [0.42, 4.58]) after controlling for the temperature, the magnification subscale of PCS, and the average time spent in moderate to vigorous physical activity. Conclusion The results of this study suggest that lean mass is a contributing factor to the sex differences in TS. Future studies should investigate whether interventions that increase lean mass have a positive effect on TS.
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Affiliation(s)
- Abdulaziz Awali
- Clinical and Translational Rehabilitation Health Sciences Program, Department of Physical Therapy, College of Health Sciences, Marquette University, Milwaukee, WI, USA
| | - Ali M Alsouhibani
- Clinical and Translational Rehabilitation Health Sciences Program, Department of Physical Therapy, College of Health Sciences, Marquette University, Milwaukee, WI, USA
| | - Marie Hoeger Bement
- Clinical and Translational Rehabilitation Health Sciences Program, Department of Physical Therapy, College of Health Sciences, Marquette University, Milwaukee, WI, USA.
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90
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Merriwether EN, Frey-Law LA, Rakel BA, Zimmerman MB, Dailey DL, Vance CGT, Golchha M, Geasland KM, Chimenti R, Crofford LJ, Sluka KA. Physical activity is related to function and fatigue but not pain in women with fibromyalgia: baseline analyses from the Fibromyalgia Activity Study with TENS (FAST). Arthritis Res Ther 2018; 20:199. [PMID: 30157911 PMCID: PMC6116369 DOI: 10.1186/s13075-018-1671-3] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Accepted: 07/12/2018] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND Although exercise is an effective treatment for fibromyalgia, the relationships between lifestyle physical activity and multiple symptomology domains of fibromyalgia are not clear. Thus, the purpose of this study was to comprehensively examine the relationships between lifestyle physical activity with multiple outcome domains in women with fibromyalgia, including pain, fatigue, function, pain-related psychological constructs, and quality of life. METHODS Women (N = 171), aged 20 to 70 years, diagnosed with fibromyalgia, recruited from an ongoing two-site clinical trial were included in this prespecified subgroup analysis of baseline data. Physical activity was assessed using self-report and accelerometry. Symptomology was assessed using questionnaires of perceived physical function, quality of life, fatigue, pain intensity and interference, disease impact, pain catastrophizing, and fear of movement. In addition, quantitative sensory testing of pain sensitivity and performance-based physical function were assessed. Correlation coefficients, regression analyses and between-group differences in symptomology by activity level were assessed, controlling for age and body mass index (BMI). RESULTS Lifestyle physical activity was most closely associated with select measures of physical function and fatigue, regardless of age and BMI. Those who performed the lowest levels of lifestyle physical activity had poorer functional outcomes and greater fatigue than those with higher physical activity participation. No relationships between lifestyle physical activity and pain, pain sensitivity, or pain-related psychological constructs were observed. CONCLUSIONS Lifestyle physical activity is not equally related to all aspects of fibromyalgia symptomology. Lifestyle physical activity levels have the strongest correlations with function, physical quality of life, and movement fatigue in women with fibromyalgia. No relationships between lifestyle physical activity and pain, pain sensitivity, or psychological constructs were observed. These data suggest that physical activity levels are more likely to affect function and fatigue, but have negligible relationships with pain and pain-related psychological constructs, in women with fibromyalgia. TRIAL REGISTRATION ClinicalTrials.gov, NCT01888640 . Registered on 28 June 2013.
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Affiliation(s)
- Ericka N. Merriwether
- Department of Physical Therapy, Steinhardt School of Culture, Education, and Human Development, New York University, New York, NY USA
| | - Laura A. Frey-Law
- Department of Physical Therapy and Rehabilitation Science, University of Iowa, Iowa City, IA USA
- College of Nursing, University of Iowa, Iowa City, IA USA
| | | | | | - Dana L. Dailey
- Department of Physical Therapy and Rehabilitation Science, University of Iowa, Iowa City, IA USA
| | - Carol G. T. Vance
- Department of Physical Therapy and Rehabilitation Science, University of Iowa, Iowa City, IA USA
| | - Meenakshi Golchha
- Department of Medicine/Rheumatology & Immunology, Vanderbilt University, Nashville, TN USA
| | - Katherine M. Geasland
- Department of Physical Therapy and Rehabilitation Science, University of Iowa, Iowa City, IA USA
| | - Ruth Chimenti
- Department of Physical Therapy and Rehabilitation Science, University of Iowa, Iowa City, IA USA
| | - Leslie J. Crofford
- Department of Medicine/Rheumatology & Immunology, Vanderbilt University, Nashville, TN USA
| | - Kathleen A. Sluka
- Department of Physical Therapy and Rehabilitation Science, University of Iowa, Iowa City, IA USA
- College of Nursing, University of Iowa, Iowa City, IA USA
- Department of Physical Therapy and Rehabilitation Science, 1-242 MEB, University of Iowa Carver College of Medicine, Iowa City, IA, 52422-1089 USA
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91
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Tanaka R, Hirohama K, Ozawa J. Can muscle weakness and disability influence the relationship between pain catastrophizing and pain worsening in patients with knee osteoarthritis? A cross-sectional study. Braz J Phys Ther 2018; 23:266-272. [PMID: 30193850 DOI: 10.1016/j.bjpt.2018.08.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Revised: 08/07/2018] [Accepted: 08/13/2018] [Indexed: 02/06/2023] Open
Abstract
OBJECTIVE To verify if the relationship between pain catastrophizing and pain worsening would be mediated by muscle weakness and disability in patients with symptomatic knee osteoarthritis. METHODS This was a cross-sectional study in a hospital out-patient setting. Convenience sampling was used with a total of 50 participants with symptomatic knee osteoarthritis. Pain and the activities of daily livings (ADL) were assessed using the Knee Injury and Osteoarthritis Outcome Score (KOOS) subscale. Pain catastrophizing was assessed using the Coping Strategy Questionnaire (CSQ) subscale. Muscle strength of knee extension and 30-s chair stand test (30CST) were also assessed. Path analysis was performed to test the hypothetical model. Goodness of fit of models were assessed by using statistical parameters such as the chi-square value, goodness of fit index (GFI), adjusted goodness of fit index (AGFI), comparative fit index (CFI), and root mean square error of approximation (RMSEA). RESULTS The chi-square values were not significant (chi-square=0.283, p=0.594), and the indices of goodness of fit were high, implying a valid model (GFI=1.000; AGFI=0.997; CFI=1.000; RMSEA=0.000). Pain was influenced significantly by muscle strength and ADL; muscle strength was influenced significantly by ADL via 30CST; ADL was influenced by pain catastrophizing. CONCLUSION The relationship between pain catastrophizing with pain worsening are mediated by muscle weakness and disability.
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Affiliation(s)
- Ryo Tanaka
- Graduate School of Integrated Arts and Sciences, Hiroshima University, Hiroshima, Japan; Department of Rehabilitation, Hiroshima International University, Hiroshima, Japan.
| | - Kenta Hirohama
- Department of Rehabilitation, Sakamidorii Hospital, Hiroshima, Japan
| | - Junya Ozawa
- Department of Rehabilitation, Hiroshima International University, Hiroshima, Japan
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Agnew JW, Hammer SB, Roy AL, Rahmoune A. Central and peripheral pain sensitization during an ultra-marathon competition. Scand J Pain 2018; 18:703-709. [DOI: 10.1515/sjpain-2018-0079] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Accepted: 06/20/2018] [Indexed: 12/21/2022]
Abstract
Abstract
Background and aims
The participation in ultra-marathons and other ultra-endurance events has increased exponentially over the past decade. There is insufficient data on variation in pain mechanisms in exercise overall but especially in the ultra-endurance athlete population. To further understand peripheral and central pain sensitization we have investigated pressure pain threshold and conditioned pain modulation during three separate ultra-marathon competitions.
Methods
Each ultra-marathon investigated was held in the state of Florida, USA, over flat, sandy and paved surfaces under generally warm to hot, humid conditions. Pressure pain threshold was measured utilizing a Baseline © Dolorimeter. The blunt end of the dolorimeter stylus was placed onto the distal dominant arm, equidistant between the distal radius and ulna, three times in a blinded manner to insure that the testing technician did not influence the subject’s responses. Conditioned pain modulation was measured immediately after the PPT measures by placing the non-dominant hand in a cool water bath maintained at 15°C. The same dolorimeter measurement was repeated two more times on the dominant arm while the non-dominant hand remained in the water. Data was analyzed with a paired t-test.
Results
Pressure pain threshold was significantly decreased (p<0.05) at 25, 50 and 100 miles. Conditioned pain modulation was also significantly decreased (p<0.05) at 25, 50 and 100 miles of an ultra-marathon competition.
Conclusions
Together these data suggest an increased peripheral and/or central pain sensitization starting at 25 miles and continuing throughout an ultra-marathon competition run in these conditions. This is the first study that provides evidence of a decreased peripheral pain threshold and decreased central pain inhibition from ultra-marathon running. Decreases in both the peripheral pain threshold and central inhibition may result from nociceptor plasticity, central sensitization or a combination of both.
Implications
Based on previous research that has indicated a central sensitization resulting from inflammation and the well-documented inflammatory response to the rigors of ultra-marathon competition, we suggest the decreased peripheral pain threshold and decreased descending pain inhibition results from this inflammatory response of running an ultra-marathon.
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Affiliation(s)
- James W. Agnew
- Indian River State College , Fort Pierce, FL 34981-5596 , USA
| | | | | | - Amina Rahmoune
- Indian River State College , Fort Pierce, FL 34981-5596 , USA
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Abstract
Offset analgesia (OA) represents a disproportionately large decrease of pain perception after a brief, temporary increment of thermal pain stimulus and was reported attenuated in patients with neuropathic pain. We examined whether OA depends on the increment duration before offset, and whether individual features of OA distinguish patients with chronic pain and healthy controls. We used a Peltier-type thermal stimulator and OA paradigms including 5-, 10-, or 15-s duration of 1°C-increment (T2) over 45°C. We first examined OA response, on the left volar forearm, at 3 different T2's in 40 healthy volunteers, and OA and constant stimulus responses in 12 patients with chronic pain and 12 matched healthy controls. We measured magnitude of OA ([INCREMENT]OA) and maximum visual analogue scale (VAS) latency (time to peak VAS) during constant stimulus for each individual. Pain perception kinetics were compared with analysis of variance and sought for correlations with psychophysical parameters with a significance threshold at P < 0.05. In healthy controls, longer T2 at 10 or 15 seconds resulted in larger [INCREMENT]OA compared with T2 at 5 seconds (P = 0.04). In patients, [INCREMENT]OA was significantly smaller than controls at T2 = 5 or 10 seconds (P < 0.05) but grew comparable at T2 = 15 seconds with controls. Maximum VAS latency was longer in patients than in controls and negatively correlated with [INCREMENT]OA in patients. An OA index ([INCREMENT]OA/[maximum VAS latency]) proved diagnostic of chronic pain with an area under the receiver operating characteristic curve at 0.897. Patients with chronic pain showed impairment of OA and reduced temporal sharpening of pain perception, which might imply possible disturbance of the endogenous pain modulatory system.
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Physical Activity and the Development of Substance Use Disorders: Current Knowledge and Future Directions. PROGRESS IN PREVENTIVE MEDICINE 2018; 3. [PMID: 30345414 PMCID: PMC6192057 DOI: 10.1097/pp9.0000000000000018] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Physical activity and exercise are positive health behaviors that have been shown to reduce the risk of physical and psychological diseases. There is a strong rationale that physical activity could be a protective factor against the development of substance use disorders (SUDs), which include some of the most common mental health conditions such as tobacco and alcohol use disorder. This review examined the epidemiological literature to describe the associations of physical activity and substance use across the lifespan. The findings indicated that physical activity is positively associated with current and future alcohol use but negatively associated with tobacco and other drug use, with the strongest support originating from adolescent and young adult samples. Considerably less data exist on physical activity and other drug use in later life. Limitations in previous studies, such as the indeterminate measurement of physical activity and absence of clinical substance use disorder endpoints, should be addressed in future investigations to provide clarity regarding the strength and directions of these relationships among different substances and populations.
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95
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Miyamoto GC, Lin CWC, Cabral CMN, van Dongen JM, van Tulder MW. Cost-effectiveness of exercise therapy in the treatment of non-specific neck pain and low back pain: a systematic review with meta-analysis. Br J Sports Med 2018; 53:172-181. [PMID: 29678893 DOI: 10.1136/bjsports-2017-098765] [Citation(s) in RCA: 85] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/29/2018] [Indexed: 11/03/2022]
Abstract
OBJECTIVE To investigate the cost-effectiveness of exercise therapy in the treatment of patients with non-specific neck pain and low back pain. DESIGN Systematic review of economic evaluations. DATA SOURCES The search was performed in 5 clinical and 3 economic electronic databases. ELIGIBILITY CRITERIA FOR SELECTING STUDIES We included economic evaluations performed alongside randomised controlled trials. Differences in costs and effects were pooled in a meta-analysis, if possible, and incremental cost-utility ratios (ICUR) were descriptively analysed. RESULTS Twenty-two studies were included. On average, exercise therapy was associated with lower costs and larger effects for quality-adjusted life-year (QALY) in comparison with usual care for subacute and chronic low back pain from a healthcare perspective (based on ICUR). Exercise therapy had similar costs and effect for QALY in comparison with other interventions for neck pain from a societal perspective, and subacute and chronic low back pain from a healthcare perspective. There was limited or inconsistent evidence on the cost-effectiveness of exercise therapy compared with usual care for neck pain and acute low back pain, other interventions for acute low back pain and different types of exercise therapy for neck pain and low back pain. CONCLUSIONS Exercise therapy seems to be cost-effective compared with usual care for subacute and chronic low back pain. Exercise therapy was not (more) cost-effective compared with other interventions for neck pain and low back pain. The cost-utility estimates are rather uncertain, indicating that more economic evaluations are needed. REGISTRATION PROSPERO, CRD42017059025.
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Affiliation(s)
- Gisela Cristiane Miyamoto
- Master's and Doctoral Program in Physical Therapy, Universidade Cidade de Sao Paulo, Sao Paulo, Brazil.,Department of Health Sciences, Faculty of Science, Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, Noord-Holland, The Netherlands
| | - Chung-Wei Christine Lin
- Musculoskeletal Health Sydney, School of Public Healthy, The University of Sydney, Sydney, New South Wales, Australia
| | | | - Johanna M van Dongen
- Department of Health Sciences, Faculty of Science, Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, Noord-Holland, The Netherlands
| | - Maurits W van Tulder
- Department of Health Sciences, Faculty of Science, Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, Noord-Holland, The Netherlands
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Krøll LS, Sjödahl Hammarlund C, Gard G, Jensen RH, Bendtsen L. Has aerobic exercise effect on pain perception in persons with migraine and coexisting tension-type headache and neck pain? A randomized, controlled, clinical trial. Eur J Pain 2018; 22:1399-1408. [PMID: 29635806 DOI: 10.1002/ejp.1228] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/29/2018] [Indexed: 01/03/2023]
Abstract
BACKGROUND A large subset of persons with migraine suffers from coexisting tension-type headache and neck pain which may adversely affect the prognosis of migraine. Aerobic exercise has been shown to decrease migraine burden in these persons. Therefore, the aim of this study was to investigate whether the effect of aerobic exercise in persons with migraine and coexisting tension-type headache and neck pain can be explained by changes in pain perception. METHOD Seventy consecutively recruited persons with migraine and coexisting tension-type headache and neck pain were randomized into exercise group or control group. Aerobic exercise consisted of bike/cross-trainer/brisk walking for 45 min, three times/week for 3 months. Controls continued their usual daily activities. Pericranial tenderness, pain thresholds, supra-thresholds and temporal summation were assessed at baseline, after treatment and at follow-up (6 months from baseline). RESULTS Fifty-two persons with migraine and coexisting tension-type headache and neck pain completed the study. Aerobic exercise did not induce consistent changes in nociceptive pathways measured by pericranial tenderness, pressure pain thresholds and sensitivity to electrical stimulation. CONCLUSION The effect of aerobic exercise cannot be explained by measurable effects on the pain modulation system. Thus, the positive effect on migraine burden may rather be explained by positive alteration of avoidance behaviour. Aerobic exercise can be recommended as a safe and inexpensive migraine treatment strategy. SIGNIFICANCE This study adds further knowledge about the positive effect of aerobic exercise for persons with migraine and coexisting tension-type headache and neck pain. This effect cannot be measured by changes in pain modulation, but may rather be explained by positive alteration of avoidance behaviour.
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Affiliation(s)
- L S Krøll
- Department of Health Sciences, Lund University, Sweden
- Department of Neurology, Danish Headache Centre, Rigshospitalet-Glostrup, University of Copenhagen, Glostrup, Denmark
| | | | - G Gard
- Department of Health Sciences, Lund University, Sweden
| | - R H Jensen
- Department of Neurology, Danish Headache Centre, Rigshospitalet-Glostrup, University of Copenhagen, Glostrup, Denmark
| | - L Bendtsen
- Department of Neurology, Danish Headache Centre, Rigshospitalet-Glostrup, University of Copenhagen, Glostrup, Denmark
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Harris S, Sterling M, Farrell SF, Pedler A, Smith AD. The influence of isometric exercise on endogenous pain modulation: comparing exercise-induced hypoalgesia and offset analgesia in young, active adults. Scand J Pain 2018; 18:513-523. [DOI: 10.1515/sjpain-2017-0177] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Accepted: 03/06/2018] [Indexed: 12/28/2022]
Abstract
Abstract
Background and aims
Impairment of endogenous analgesia has been associated with the development, maintenance and persistence of pain. Endogenous analgesia can be evaluated using exercise-induced hypoalgesia (EIH) and offset analgesia (OffA) paradigms, which measure temporal filtering of sensory information. It is not clear if these paradigms are underpinned by common mechanisms, as EIH and OffA have not previously been directly compared. A further understanding of the processes responsible for these clinically relevant phenomena may have future diagnostic and therapeutic utility in management of individuals with persistent pain conditions. The primary aim of this study was to investigate if there is a correlation between the magnitudes of EIH and OffA. The secondary aim of the study was to examine whether exercise influences OffA.
Methods
Thirty-six healthy, pain-free participants were recruited. EIH was evaluated using pressure pain thresholds (PPT) and pain ratings to suprathreshold pressure stimuli over tibialis anterior and the cervical spine. OffA evaluation utilised a three-step protocol, whereby individualised heat pain thermal stimuli [Numerical Rating Scale (NRS)=50/100] were applied (T1), before increasing 1 °C (T2), followed by 1 °C reduction (T3). The magnitude of OffA was calculated as the percentage reduction in the NRS from T2 to T3. PPT/suprathreshold pain ratings and OffA measures were recorded, before and after 5 min of isometric quadriceps exercise performed at 20–25% maximum voluntary contraction (MVC); and following a 15 min rest period. Data were analysed using repeated measures (RM) ANCOVA and correlational analyses.
Results
There was no correlation between EIH measures (PPTs or pain ratings to suprathreshold pressure stimuli over tibialis anterior or the cervical spine) and OffA (p>0.11 for all). OffA was induced and not modulated by exercise (p=0.28).
Conclusions
Five minutes of 20–25% MVC lower limb isometric exercise provided non-pharmacological pain modulation in young, active adults. Magnitude of EIH was not correlated with that of OffA, and exercise did not influence magnitude of OffA.
Implications
These results suggest that in young, pain-free individuals, separate testing of these two paradigms is required to comprehensively evaluate efficacy of endogenous analgesia. If these results are replicated in patient populations, alternative or complementary methods to exercise interventions may be required to modulate impaired OffA.
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Affiliation(s)
- Samuel Harris
- School of Allied Health Sciences , Griffith University , Gold Coast, QLD , Australia
| | - Michele Sterling
- RECOVER Injury Research Centre, NHMRC Centre for Research Excellence in Recovery Following Road Traffic Injuries , The University of Queensland , Brisbane , Australia
- Menzies Health Institute Queensland , Griffith University , Gold Coast , Australia
| | - Scott F. Farrell
- RECOVER Injury Research Centre, NHMRC Centre for Research Excellence in Recovery Following Road Traffic Injuries , The University of Queensland , Brisbane , Australia
- Menzies Health Institute Queensland , Griffith University , Gold Coast , Australia
| | - Ashley Pedler
- RECOVER Injury Research Centre, NHMRC Centre for Research Excellence in Recovery Following Road Traffic Injuries , The University of Queensland , Brisbane , Australia
| | - Ashley D. Smith
- School of Allied Health Sciences , Griffith University, 58 Parklands Dr , Southport, Gold Coast, QLD 4215 , Australia , Phone: +1 403 281 7264
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98
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Miyamoto GC, Franco KFM, van Dongen JM, Franco YRDS, de Oliveira NTB, Amaral DDV, Branco ANC, da Silva ML, van Tulder MW, Cabral CMN. Different doses of Pilates-based exercise therapy for chronic low back pain: a randomised controlled trial with economic evaluation. Br J Sports Med 2018. [DOI: 10.1136/bjsports-2017-098825] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
ObjectivesTo evaluate the effectiveness and cost-utility of the addition of different doses of Pilates to an advice for non-specific chronic low back pain (NSCLBP) from a societal perspective.DesignRandomised controlled trial with economic evaluation.SettingPhysiotherapy clinic in São Paulo, Brazil.Participants296 patients with NSCLBP.InterventionsAll patients received advice and were randomly allocated to four groups (n=74 per group): booklet group (BG), Pilates once a week (Pilates group 1, PG1), Pilates twice a week (Pilates group 2, PG2) and Pilates three times a week (Pilates group 3, PG3).Main outcome measuresPrimary outcomes were pain and disability at 6-week follow-up.ResultsCompared with the BG, all Pilates groups showed significant improvements in pain (PG1, mean difference (MD)=−1.2, 95% CI −2.2 to −0.3; PG2, MD=−2.3, 95% CI −3.2 to −1.4; PG3, MD=−2.1, 95% CI −3.0 to −1.1) and disability (PG1, MD=−1.9, 95% CI −3.6 to −0.1; PG2, MD=−4.7, 95% CI −6.4 to −3.0; PG3, MD=−3.3, 95% CI −5.0 to −1.6). Among the different doses, PG2 showed significant improvements in comparison with PG1 for pain (MD=−1.1, 95% CI −2.0 to −0.1) and disability (MD=−2.8, 95% CI −4.5 to −1.1). The cost-utility analysis showed that PG3 had a 0.78 probability of being cost-effective at a willingness-to-pay of £20 000 per quality-adjusted life-year gained.ConclusionsAdding two sessions of Pilates exercises to advice provided better outcomes in pain and disability than advice alone for patients with NSCLBP; non-specific elements such as greater attention or expectation might be part of this effect. The cost-utility analysis showed that Pilates three times a week was the preferred option.Trial registration numberNCT02241538, Completed.
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99
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Lee KM, Kang SB, Chung CY, Park MS, Kang DW, Chang CB. Factors associated with knee pain in 5148 women aged 50 years and older: A population-based study. PLoS One 2018. [PMID: 29518078 PMCID: PMC5843201 DOI: 10.1371/journal.pone.0192478] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Objective This study was performed to investigate the factors associated with the level of knee pain in a nationally representative sample of noninstitutionalized women aged 50 years or older. Methods Women aged 50 years or older were selected and included in the data analyses from the Korean National Health and Nutrition Examination Surveys (2010–2013). Those having malignant diseases or using osteoarthritis medication were excluded. Significant factors associated with the level of knee pain were analyzed using multivariate regression analysis. Results A total of 5148 women (average age, 62.9 years; standard deviation, 9.3 years) were included. For women without knee osteoarthritis, level of hip pain (p<0.001), presence of back pain (p<0.001), age (p<0.001), and body mass index (BMI) (p<0.001) were found to be significant factors associated with the level of knee pain. For women with knee osteoarthritis, the radiographic grade of knee osteoarthritis (p<0.001), presence of back pain (p<0.001), level of hip pain (p<0.001), presence of depressive symptoms (p<0.001), and BMI (p = 0.026) were the factors significantly associated with the level of knee pain. Conclusions Women without knee osteoarthritis tended to report increasing knee pain with increasing age. BMI is considered a significant controllable factor in knee pain in women regardless of the presence of radiographic knee osteoarthritis. The presence of depressive symptoms may aggravate knee pain in women with knee osteoarthritis. Attention needs to be focused on concomitant musculoskeletal problems such as lumbar spinal and hip diseases in women with knee pain.
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Affiliation(s)
- Kyoung Min Lee
- Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Gyeonggi, South Korea
| | - Seung-Baik Kang
- Department of Orthopaedic Surgery, SMG‑SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, South Korea
| | - Chin Youb Chung
- Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Gyeonggi, South Korea
| | - Moon Seok Park
- Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Gyeonggi, South Korea
| | - Dong-wan Kang
- Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Gyeonggi, South Korea
| | - Chong bum Chang
- Department of Orthopaedic Surgery, SMG‑SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, South Korea
- * E-mail:
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100
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Eller-Smith OC, Nicol AL, Christianson JA. Potential Mechanisms Underlying Centralized Pain and Emerging Therapeutic Interventions. Front Cell Neurosci 2018; 12:35. [PMID: 29487504 PMCID: PMC5816755 DOI: 10.3389/fncel.2018.00035] [Citation(s) in RCA: 142] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Accepted: 01/30/2018] [Indexed: 12/11/2022] Open
Abstract
Centralized pain syndromes are associated with changes within the central nervous system that amplify peripheral input and/or generate the perception of pain in the absence of a noxious stimulus. Examples of idiopathic functional disorders that are often categorized as centralized pain syndromes include fibromyalgia, chronic pelvic pain syndromes, migraine, and temporomandibular disorder. Patients often suffer from widespread pain, associated with more than one specific syndrome, and report fatigue, mood and sleep disturbances, and poor quality of life. The high degree of symptom comorbidity and a lack of definitive underlying etiology make these syndromes notoriously difficult to treat. The main purpose of this review article is to discuss potential mechanisms of centrally-driven pain amplification and how they may contribute to increased comorbidity, poorer pain outcomes, and decreased quality of life in patients diagnosed with centralized pain syndromes, as well as discuss emerging non-pharmacological therapies that improve symptomology associated with these syndromes. Abnormal regulation and output of the hypothalamic-pituitary-adrenal (HPA) axis is commonly associated with centralized pain disorders. The HPA axis is the primary stress response system and its activation results in downstream production of cortisol and a dampening of the immune response. Patients with centralized pain syndromes often present with hyper- or hypocortisolism and evidence of altered downstream signaling from the HPA axis including increased Mast cell (MC) infiltration and activation, which can lead to sensitization of nearby nociceptive afferents. Increased peripheral input via nociceptor activation can lead to “hyperalgesic priming” and/or “wind-up” and eventually to central sensitization through long term potentiation in the central nervous system. Other evidence of central modifications has been observed through brain imaging studies of functional connectivity and magnetic resonance spectroscopy and are shown to contribute to the widespreadness of pain and poor mood in patients with fibromyalgia and chronic urological pain. Non-pharmacological therapeutics, including exercise and cognitive behavioral therapy (CBT), have shown great promise in treating symptoms of centralized pain.
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Affiliation(s)
- Olivia C Eller-Smith
- Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS, United States
| | - Andrea L Nicol
- Department of Anesthesiology, University of Kansas Medical Center, Kansas City, KS, United States
| | - Julie A Christianson
- Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS, United States
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