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Chopra D, Stern E, Bushell WC, Castle RD. Yoga and pain: A mind-body complex system. FRONTIERS IN PAIN RESEARCH 2023; 4:1075866. [PMID: 36910253 PMCID: PMC9996306 DOI: 10.3389/fpain.2023.1075866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 01/05/2023] [Indexed: 02/25/2023] Open
Abstract
Introduction The human body's response to pain is indicative of a complex adaptive system. Therapeutic yoga potentially represents a similar complex adaptive system that could interact with the pain response system with unique benefits. Objectives To determine the viability of yoga as a therapy for pain and whether pain responses and/or yoga practice should be considered complex adaptive systems. Methods Examination through 3 different approaches, including a narrative overview of the evidence on pain responses, yoga, and complex system, followed by a network analysis of associated keywords, followed by a mapping of the functional components of complex systems, pain response, and yoga. Results The narrative overview provided extensive evidence of the unique efficacy of yoga as a pain therapy, as well as articulating the relevance of applying complex systems perspectives to pain and yoga interventions. The network analysis demonstrated patterns connecting pain and yoga, while complex systems topics were the most extensively connected to the studies as a whole. Conclusion All three approaches support considering yoga a complex adaptive system that exhibits unique benefits as a pain management system. These findings have implications for treating chronic, pervasive pain with behavioral medicine as a systemic intervention. Approaching yoga as complex system suggests the need for research of mind-body topics that focuses on long-term systemic changes rather than short-term isolated effects.
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Affiliation(s)
| | - Eddie Stern
- Vivekananda Yoga University, Los Angeles, CA, United States
| | | | - Ryan D Castle
- Chopra Foundation Institute, Honolulu, HI, United States
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Susceptibility to movement-evoked pain following resistance exercise. PLoS One 2022; 17:e0271336. [PMID: 35862479 PMCID: PMC9302845 DOI: 10.1371/journal.pone.0271336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 06/29/2022] [Indexed: 11/19/2022] Open
Abstract
Objective To investigate the: (1) role of basic muscle pain sensitivity and psychological factors in the prediction of movement-evoked pain (MEP) following delayed onset muscle soreness (DOMS), and (2) association of MEP with changes in systemic muscle pain sensitivity following DOMS induction. Methods Fifty-one participants were assigned to either eccentric resistance exercise or control groups. They completed questionnaires evaluating psychological distress and underwent muscle pain sensitivity evaluation by the pressure pain threshold (PPT) test at the exercised and remote muscles, before and 24 hours following the intervention. MEP intensity was determined in response to lifting a 3kg canister using a visual analogue scale (VAS). Results The exercise group demonstrated MEP intensity of 5/10 on VAS and reduced PPTs at the main exercised muscle (p<0.001). A regression tree analyses revealed that the level of anxiety trait predicted a higher MEP intensity. A secondary analysis showed that 53% participants who were DOMS responders (MEP > mild intensity; ≥ 3/10 VAS) exhibited decreased PPTs in the exercised (p<0.001) and remote (p = 0.027) muscles following eccentric exercise. Characterization of DOMS responders revealed that, at baseline, they had lower PPTs in the exercised (p = 0.004) and remote (p = 0.001) muscles and reported higher psychological distress i.e., anxiety trait and depression symptoms (p<0.05), compared to non-responders. A regression analysis revealed that lower PPT or high levels of anxiety trait increased the probability to become a responder (p = 0.001). Conclusions Susceptibility to MEP following DOMS is determined by muscle pain hypersensitivity and high levels of anxiety trait. MEP at the early stage of DOMS is linked with an increase in systemic muscle pain sensitivity suggestive of central mechanisms. This knowledge is valuable in translating science into clinical musculoskeletal pain management.
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Zafereo J, Uhlenbrock B, Watson S, Wang-Price S, Noe C, Jarrett RB, Meltzer KJ, Huang M. Using quantitative sensory testing to predict attrition in an interdisciplinary pain management program: a pilot study. Pain Manag 2022; 12:623-633. [PMID: 35345888 DOI: 10.2217/pmt-2021-0053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: To determine the extent to which quantitative sensory testing (QST) predicted attrition in an interdisciplinary pain program (IPP). Patients & methods: Participants (n = 53) enrolled in an IPP completed pretreatment assessments of QST and the PROMIS-29 quality of life survey. Results & conclusion: Compared with completers, non-completers (24.5%) reported significantly higher pain intensity (7.1, 95% CI [5.8, 8.4] versus 5.4, 95% CI [4.8, 6.1]) and cold hyperalgesia (14.6°C, 95% CI [8.8, 20.4] versus 7.5°C, 95% CI [4.8, 6.1]), with both variables also predicting attrition. This finding highlights a potentially novel and clinically significant use of QST. Higher overall pain intensity and the presence of remote cold hyperalgesia may identify patients at risk for dropping out of an IPP.
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Affiliation(s)
- Jason Zafereo
- Department of Physical Therapy, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Brittany Uhlenbrock
- Department of Physical Therapy, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Seth Watson
- School of Physical Therapy, Texas Woman's University, Dallas, TX 75235, USA
| | - Sharon Wang-Price
- School of Physical Therapy, Texas Woman's University, Dallas, TX 75235, USA
| | - Carl Noe
- Department of Anesthesiology & Pain Management, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Robin B Jarrett
- Department of Psychiatry, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Karen J Meltzer
- Department of Psychiatry, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Mu Huang
- Department of Applied Clinical Research, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
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Ali M, Uddin Z, Hossain A. Combined Effect of Vitamin D Supplementation and Physiotherapy on Reducing Pain Among Adult Patients With Musculoskeletal Disorders: A Quasi-Experimental Clinical Trial. Front Nutr 2021; 8:717473. [PMID: 34676231 PMCID: PMC8523800 DOI: 10.3389/fnut.2021.717473] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 09/10/2021] [Indexed: 12/29/2022] Open
Abstract
Background: The prevalence of musculoskeletal disorders (MSD) and vitamin D insufficiency is high. Past research indicating vitamin D supplementation and physiotherapy are useful for the treatment of MSDs. However, to the best of our knowledge, the combined benefits of vitamin D and physiotherapy are not yet evaluated in MSD. We hypothesized that combined intervention of vitamin D supplementation and physiotherapy would be more effective in relieving the pain of MSD compared to only physiotherapy intervention. Objective: This study aimed to examine whether combined effect of vitamin D supplementation and physiotherapy was better than physiotherapy alone in reducing pain-related outcomes (e.g., pain severity, affective interference, and physical interference) in patients with MSD. Methods: A quasi-clinical experiment was conducted between May 2020 and April 2021. Vitamin D level in the blood was measured at the start of the study. Patients with vitamin D levels <20 ng/mL were assigned to the combined physiotherapy and vitamin D group. The physiotherapy group consisted of the patients with vitamin D levels more than 20 ng/mL. The Brief Pain Inventory scale was utilized to measure pain at baseline and after 12 weeks of interventions. We used the paired t-tests for unadjusted analysis. Further, a linear regression model was used to identify the combined effect of physiotherapy and vitamin D on reducing pain scores after adjusting potential confounders. Results: Combined intervention of vitamin D and physiotherapy showed significantly better results than only physiotherapy intervention in the reduction of three pain-related outcomes (p < 0.001). The multivariable analysis indicated that the combination of physiotherapy and vitamin D treatment reduced pain score by 1.126 (slope = −1.126, p = 0.035) compared to physiotherapy alone. Conclusion: Combined intervention (vitamin D with physiotherapy) had a better pain-relieving effect than physiotherapy alone. To confirm these findings, more research is needed with randomized control trials. Clinical Trial Registration: [http://ctri.nic.in/Clinicaltrials/advancesearchmain.php], identifier [CTRI/2020/04/024845].
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Affiliation(s)
- Mohammad Ali
- Department of Physiotherapy and Rehabilitation, Uttara Adhunik Medical College and Hospital, Dhaka, Bangladesh.,Hasna Hena Pain, Physiotherapy and Public Health Research Center, Dhaka, Bangladesh
| | - Zakir Uddin
- School of Rehabilitation Sciences, McMaster University, Hamilton, ON, Canada
| | - Ahmed Hossain
- Department of Public Health, North South University, Basundhara, Dhaka, Bangladesh.,North South University (NSU) Global Health Institute, Basundhara, Dhaka, Bangladesh
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Simon CB, Lentz TA, Orr L, Bishop MD, Fillingim RB, Riley JL, George SZ. Static and Dynamic Pain Sensitivity in Adults With Persistent Low Back Pain: Comparison to Healthy Controls and Associations With Movement-evoked Pain Versus Traditional Clinical Pain Measures. Clin J Pain 2021; 37:494-503. [PMID: 33999558 PMCID: PMC8194013 DOI: 10.1097/ajp.0000000000000945] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Accepted: 03/31/2021] [Indexed: 12/23/2022]
Abstract
OBJECTIVES Despite its impact, individual factors associated with persistent low back pain (LBP) remain poorly understood. This study investigated static and dynamic pain sensitivity in adults with persistent LBP versus pain-free controls; and investigated associations between pain sensitivity and 3 clinical pain measures: recalled, resting, and movement-evoked pain (MEP). MATERIALS AND METHODS A lifespan sample of 60 adults with persistent LBP and 30 age-matched/sex-matched controls completed 4 laboratory sessions. Static pain sensitivity (pressure pain threshold [PPT], heat pain threshold) and dynamic pain sensitivity (heat pain aftersensations [AS], temporal summation [TS] of second heat pain) were measured. Demographic and clinical factors collected were education, global cognition, and perceived health. Resting and recalled pain were measured via questionnaire, and MEP via the Back Performance Scale. RESULTS LBP participants demonstrated lower PPT remotely (hand; F1,84=5.34, P=0.024) and locally (low back; F1,84=9.55, P=0.003) and also had higher AS (F1,84=6.01, P=0.016). Neither static nor dynamic pain sensitivity were associated with recalled pain (P>0.05). However, static pain sensitivity (local PPT) explained an additional 9% variance in resting pain, while dynamic pain sensitivity (AS, TS) explained an additional 10% to 12% variance in MEP. DISCUSSION This study characterized pain sensitivity measures among individuals with persistent LBP and suggests static pain sensitivity plays a larger role in resting pain while dynamic pain sensitivity plays a larger role in MEP. Future studies will confirm these relationships and elucidate the extent to which changes in static or dynamic pain sensitivity predict or mediate clinical pain among adults with persistent LBP.
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Affiliation(s)
- Corey B. Simon
- Department of Orthopaedic Surgery, Duke University, Durham, NC
| | - Trevor A. Lentz
- Department of Orthopaedic Surgery, Duke University, Durham, NC
- Duke Clinical Research Institute, Duke University, Durham, NC
| | | | - Mark D. Bishop
- Department of Physical Therapy, University of Florida, Gainesville, FL
| | - Roger B. Fillingim
- Department of Community Dentistry and Behavioral Science, University of Florida, Gainesville, FL
| | - Joseph L. Riley
- Department of Community Dentistry and Behavioral Science, University of Florida, Gainesville, FL
| | - Steven Z. George
- Department of Orthopaedic Surgery, Duke University, Durham, NC
- Duke Clinical Research Institute, Duke University, Durham, NC
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Grouper H, Eisenberg E, Pud D. More Insight on the Role of Personality Traits and Sensitivity to Experimental Pain. J Pain Res 2021; 14:1837-1844. [PMID: 34168491 PMCID: PMC8216734 DOI: 10.2147/jpr.s309729] [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: 03/14/2021] [Accepted: 05/14/2021] [Indexed: 11/23/2022] Open
Abstract
Purpose The present study aimed to assess the influence of personality traits on the variability of sensitivity to pain in two distinct groups of healthy subjects with low versus high sensitivity to pain (LSP vs HSP, respectively). Methods Healthy subjects (n=156) were allocated to two groups according to their tolerability to cold stimulation (cold pressor test, CPT, 1°C). Group LSP (n=76) reached the cut-off time of 180±0 sec, and a size matched group of HSP (n=80) tolerated the CPT for an average of 10.5±3.4 sec only. Subjects from both groups completed the self-reported pain sensitivity questionnaire (PSQ), the Pain Catastrophizing Scale (PCS), and the Neuroticism Extraversion Openness - Five Factor Inventory (NEO-FFI). Results In comparison to the LSP group, HSP individuals had higher scores of PSQ (p<0.001), catastrophizing (p=0.001), and extraversion (p=0.01). By adjusting for age and gender, mediation analyses revealed that catastrophizing mediated the relationship between neuroticism and pain sensitivity, both in the allocation of subjects to a certain group of sensitivity to pain (LSP or HSP, B=0.02 95% CI: 0.006–0.040) and in the PSQ score (B=0.01 95% CI: 0.001–0.023). Conclusion These results, which were demonstrated by two different prisms (CPT and PSQ), point to the potential of the five-factor inventory and pain catastrophizing scale as tools for identifying specific personality traits associated with a high sensitivity to pain.
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Affiliation(s)
- Hadas Grouper
- Faculty of Social Welfare and Health Sciences, University of Haifa, Haifa, Israel
| | - Elon Eisenberg
- The Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel.,Institute of Pain Medicine, Rambam Health Care Campus, Haifa, Israel
| | - Dorit Pud
- Faculty of Social Welfare and Health Sciences, University of Haifa, Haifa, Israel
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