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The use of machine learning on administrative and survey data to predict suicidal thoughts and behaviors: a systematic review. Front Psychiatry 2024; 15:1291362. [PMID: 38501090 PMCID: PMC10944962 DOI: 10.3389/fpsyt.2024.1291362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Accepted: 02/12/2024] [Indexed: 03/20/2024] Open
Abstract
Background Machine learning is a promising tool in the area of suicide prevention due to its ability to combine the effects of multiple risk factors and complex interactions. The power of machine learning has led to an influx of studies on suicide prediction, as well as a few recent reviews. Our study distinguished between data sources and reported the most important predictors of suicide outcomes identified in the literature. Objective Our study aimed to identify studies that applied machine learning techniques to administrative and survey data, summarize performance metrics reported in those studies, and enumerate the important risk factors of suicidal thoughts and behaviors identified. Methods A systematic literature search of PubMed, Medline, Embase, PsycINFO, Web of Science, Cumulative Index to Nursing and Allied Health Literature (CINAHL), and Allied and Complementary Medicine Database (AMED) to identify all studies that have used machine learning to predict suicidal thoughts and behaviors using administrative and survey data was performed. The search was conducted for articles published between January 1, 2019 and May 11, 2022. In addition, all articles identified in three recently published systematic reviews (the last of which included studies up until January 1, 2019) were retained if they met our inclusion criteria. The predictive power of machine learning methods in predicting suicidal thoughts and behaviors was explored using box plots to summarize the distribution of the area under the receiver operating characteristic curve (AUC) values by machine learning method and suicide outcome (i.e., suicidal thoughts, suicide attempt, and death by suicide). Mean AUCs with 95% confidence intervals (CIs) were computed for each suicide outcome by study design, data source, total sample size, sample size of cases, and machine learning methods employed. The most important risk factors were listed. Results The search strategy identified 2,200 unique records, of which 104 articles met the inclusion criteria. Machine learning algorithms achieved good prediction of suicidal thoughts and behaviors (i.e., an AUC between 0.80 and 0.89); however, their predictive power appears to differ across suicide outcomes. The boosting algorithms achieved good prediction of suicidal thoughts, death by suicide, and all suicide outcomes combined, while neural network algorithms achieved good prediction of suicide attempts. The risk factors for suicidal thoughts and behaviors differed depending on the data source and the population under study. Conclusion The predictive utility of machine learning for suicidal thoughts and behaviors largely depends on the approach used. The findings of the current review should prove helpful in preparing future machine learning models using administrative and survey data. Systematic review registration https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42022333454 identifier CRD42022333454.
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Investigating the Relationship between Structural Features of Built Environment and Physical Activity using Geographic Information Systems (GIS). Int J Prev Med 2023; 14:89. [PMID: 37854982 PMCID: PMC10580202 DOI: 10.4103/ijpvm.ijpvm_285_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 02/16/2023] [Indexed: 10/20/2023] Open
Abstract
Background Built environment determinants of engaging in physical activity are dependent on the properties of societies. This study investigates the relationship between structural variables of the environment using geographic information systems (GIS) and the level of physical activity in 22 districts of Tehran. Methods This cross-sectional study was based on Urban Health Equity Assessment and Response Tool (Urban HEART-2). Physical activity level was assessed via the Global Physical Activity Questionnaire (GPAQ). The characteristics of the neighborhood environment, including land use, street pattern, population density, and traffic, were determined via ArcGIS software. Walkability index (population density, street pattern, land use) was calculated to assess the effect of the main variables of living environment on physical activity level. Results Among the built environmental variables, land use was associated with the total physical activity and travel-related physical activity level (r: 0.155, P value: 0.001, and r: 0.122, P value: 0.007, respectively). The walkability index indicated an association with the total physical activity level and travel-related physical activity level (r: 0.126, P value: 0.006, and r: 0.135, P value: 0.001, respectively). Higher levels of the walkability index were associated with an improved level of physical activity (OR: 2.04). Conclusions Walkability index and land use positively correlate with total physical activity level, and providing action plans that improve walkability index and land use might lead to increased physical activity level.
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Effect of eight weeks respiratory muscle training on respiratory capacity, functional capacity and quality of life on subjects with mild to moderate relapsing-remitting multiple sclerosis: A single-blinded randomized controlled trial. Mult Scler Relat Disord 2022; 68:104208. [PMID: 36219925 DOI: 10.1016/j.msard.2022.104208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 09/25/2022] [Accepted: 10/01/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND Multiple Sclerosis (MS) is a chronic inflammatory disease of the nervous system leading to muscle weakness, including the respiratory muscles that cause pulmonary complications, impair functional capacity, increased fatigue, and as a result decreases the quality of life. AIM The purpose of the present study is to examine the influence of 8 weeks of respiratory muscle training (RMT) on pulmonary function and respiratory muscle strength in MS patients. METHODS The present study was a single-blind, randomized controlled trial that was conducted on 36 (27 Female, 9 Male) relapsing-remitting MS patients who were definitively diagnosed by a neurologist and randomly were divided into intervention and control groups. Both groups were educated on lifestyle modification with an emphasis on regular physical activity. In addition, the intervention group was prescribed eight weeks of respiratory muscle training with a threshold resistance device, daily, twice a day for three sets of 15 repetitions per set. Maximal expiratory pressure (PImax), maximal expiratory pressure (PEmax), spirometric indices, functional tests (six-minute walk test, timed up and go test), fatigue questionnaire, and questionnaire of quality of life were assessed before and after trials. RESULTS A total of 36 patients (75% female; mean age 38.00(8.86) years; BMI 26.56(2.64) kg/m2) were included in the study. The strength of inspiratory and expiratory muscles, respiratory function, fatigue, and quality of life were significantly improved in the intervention group (p<0.005). In addition, there was a significant improvement in the rate of fatigue and quality of life in all their dimensions (p<0.005). Only in the six-minute walk test, no significant improvement was seen in the intervention group compared to the control group (p = 0.262). CONCLUSION Findings could help therapists to provide MS patients with more effective respiratory muscle training protocols to maximize the benefits of rehabilitation.
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Translation and validation of the Persian version of Godin Leisure-Time Exercise Questionnaire in patients with multiple sclerosis. BMC Neurol 2021; 21:431. [PMID: 34740328 PMCID: PMC8569962 DOI: 10.1186/s12883-021-02465-5] [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: 04/12/2021] [Accepted: 10/25/2021] [Indexed: 12/04/2022] Open
Abstract
Study Design Psychometric study. Objective The purpose of this study is to translate, culturally adapt and evaluate the validity and reliability of the Persian (Farsi) version of GLTEQ in patients with multiple sclerosis. Methods This study had three phases, including translation of the questionnaire into Persian and making cultural adaptation, evaluation of pre-final version of questionnaire’s comprehensibility in a pilot study, and investigation of reliability and validity of the final version of the translated questionnaire. Content validity, and convergent validity (correlations among the Persian version of GLTEQ and Global physical activity questionnaire (GPAQ), and international physical activity questionnaire (IPAQ)) and after all test-retest reliability were studied. Results The subjects were 87 MS patients. The Persian version demonstrated moderate to good convergent validity; the correlation coefficient between the Persian version and GPAQ was r=0.64 (p<0.001), and between the Persian version and IPAQ was r=0.59 (p<0.001). The test-retest reliability was strong (Intra-class Correlation (ICC) value ranged between 0.908 and 0.992). Besides, its face validity and content validity were acceptable. Conclusions The Persian version of GLTEQ is a valid and reliable instrument to assess physical activity in patients with MS. This questionnaire can be a step toward standardization of physical activity measurement in patients with MS. Also, in research, it provides the possibilities to carry on a comparative study across cultures using the same outcome measure. Supplementary Information The online version contains supplementary material available at 10.1186/s12883-021-02465-5.
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Effectiveness of an individualized internet-based physical activity program: A randomized controlled trial. Eur J Integr Med 2021. [DOI: 10.1016/j.eujim.2021.101356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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A Double-blind Randomized Controlled Trial for the Effects of Dry Needling on Upper Limb Dysfunction in Patients with Stroke. ACUPUNCTURE ELECTRO 2021. [DOI: 10.3727/036012921x16112663844923] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Spasticity is one of the main complications of a stroke. This double-blind, randomized controlled trial aimed to compare the result of three sessions of dry needling (DN) versus sham DN on the affected upper limbs in post-stroke survivors. We recruited 24 patients (age 57.0 ±
9.6 years; male 71%). Patients were randomly allocated to two groups: a DN group and a sham DN group. The primary outcome measures were the Modified Modified Ashworth Scale (MMAS) and the Box and Block Test (BBT). Secondary outcome measures included active and passive wrist range of motion
(AROM and PROM). All assessments were measured at baseline, immediately after the last session of the intervention, and one month later. Patients in the DN group had improved upper limb spasticity and passive wrist range of motion compared to control group (P < 0.05). There were
no between-group differences in other outcome measures (P > 0.05). Dry needling is a useful method for improving muscle spasticity in the upper limbs of patients with stroke.
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Morphological changes of the lateral abdominal muscles in adolescent soccer players with low back pain: A prospective cohort study. JOURNAL OF SPORT AND HEALTH SCIENCE 2020; 9:614-619. [PMID: 33308811 PMCID: PMC7749204 DOI: 10.1016/j.jshs.2018.02.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 11/07/2017] [Accepted: 12/07/2017] [Indexed: 06/12/2023]
Abstract
BACKGROUND Most papers examining the lateral abdominal muscles (LAMs) and low back pain (LBP) are cross-sectional, with groups of participants being divided into a control and an LBP group. We hypothesized that morphological measurements of the LAMs in adolescent soccer players may predict future LBP incidence. The aim of this study was to examine the associations between the morphology of LAMs and LBP incidence rate among adolescent soccer players. METHODS Ninety-seven adolescent male soccer players with no LBP at baseline were recruited into the prospective cohort study. The thickness of the LAMs was measured at baseline by ultrasound imaging in a supine rest position. Nine cases of LBP occurred during the follow-up 6-month observation. RESULTS An obliquus internus (OI) asymmetry was related to increasing LBP risk (odds ratio = 19.99; 95%CI: 2.4-167.9). Spearman correlation also showed a linear relationship between OI asymmetry value and duration of LBP (R = 0.75, p = 0.02). An OI side-to-side difference greater than 1.25 mm suggests possible LBP incidence in the 6-month observation among adolescent soccer players. CONCLUSION The morphological changes of the OI may be related to LBP's incidence in adolescent soccer players. The presence of OI asymmetry increases the odds of LBP by at least 2.4 times. Hypertrophy of the OI on one side of the body may contribute to trunk muscle imbalance.
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The Effect of Dry Needling on Lower Limb Dysfunction in Poststroke Survivors. J Stroke Cerebrovasc Dis 2020; 29:104814. [PMID: 32327366 DOI: 10.1016/j.jstrokecerebrovasdis.2020.104814] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 03/09/2020] [Accepted: 03/13/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Spasticity is one of the main complications in poststroke survivors leading to difficulties in walking and standing resulting in high levels of disability. OBJECTIVE The aim of the study was to investigate the effects of deep dry needling on lower limb dysfunction in poststroke spastic patients. METHODS A randomized clinical trial conducted in poststroke survivors who were assigned to one of 2 groups: Deep dry needling (intervention group) and sham dry needling (control group). The primary outcome measures were Modified Modified Ashworth Scale (MMAS) and functional tests (timed up and go test, 10-meter walk test). Secondary outcome measures were active ankle dorsiflexion range of motion (AROM), passive ankle dorsiflexion range of motion (PROM), single leg stance test, and Barthel index. All measurements were assessed at baseline (T0), immediately after the third session 1 week later (T1), and 1 month after the end of the intervention (T2). RESULTS We recruited 24 patients (71% male; mean age 57 ± 10 years; 26.4 ± 1.8 kg•m-2; time since event: 25.2 ± 12.5 months). There were significant improvements in MMAS, timed up and go test, 10-meter walk test, Barthel scale, and PROM (P < .05) in the intervention group compared to controls across the time-points. There were no significant improvements in AROM assessments (P > .05). CONCLUSIONS Deep dry needling decreases muscle spasticity and improves lower limb function and gait speed in poststroke survivors.
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Comparison of the recruitment of transverse abdominis through drawing-in and bracing in different core stability training positions. J Exerc Rehabil 2019; 15:819-825. [PMID: 31938704 PMCID: PMC6944888 DOI: 10.12965/jer.1939064.352] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Accepted: 11/22/2019] [Indexed: 11/22/2022] Open
Abstract
There are many proposed core stability exercises in a variety of positions; however, it is not clear that in which position, activation of transverse abdominis muscle is utmost. We aimed to compare the activation of transverse abdominis muscle in different core stability exercise positions through ultrasound imaging. in a 20 subjects' study we compared the effectiveness of drawing-in and bracing maneuvers on transverse abdominis in different core stability exercise positions (supine, hook lying, supine with 90° flexed knee and hip, supine with stretched knees and 90° flexed hips, bridge, bridge with one stretched knee and Bird dog). We used activation ratio and preferential activation ratio as measurements of transverse abdominis activation. Abdominal Bracing in the bridge position showed the highest activation of transverse abdominis (P<0.05). The results showed significantly higher activation of transverse abdominis, measured by preferential activation ratio, in bridge position during abdominal bracing.
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Multimodal Impact of Acupuncture, Exercise Therapy, And Concurrent Functional Electrical Stimulation On Osteoarthritis of the Knee: a Case Report. ACUPUNCTURE ELECTRO 2019. [DOI: 10.3727/036012919x15650315071942] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Knee osteoarthritis (OA) causes functional limitation in weight-bearing actlVltles including walking. To investigate the multimodal impact of acupuncture, exercise therapy, and concurrent functional electrical stimulation (FES) on knee osteoarthritis. We designed a multidisciplinary
treatment package including acupuncture; home based exercise therapy, and concurrent functional electrical stimulation during treadmill walking. Outcomes measurements included the numerical rating scale (NRS), the Knee Injury and Osteoarthritis Outcome Score (KOOS), and the Tampa Scale of
Kinesiophobia (TSK). Measurements were completed at baseline and following the treatment phase which consisted of six individual sessions. A 48-year-old male, office worker presented with a history of chronic right knee. During the previous year, he was diagnosed with knee osteoarthritis after
clinical physical examination by a sports medicine physician. Following our novel training intervention, the patient reported a reduction in pain intensity from 8 to 2 on the NRS, improved in all KOOS subscale scores, and improved in the TSK scale (reduction from 15 to 11). In addition, the
patient reported that he was able to return to work and undertake normal activities of daily living with reduced knee pain. This case report showed that our novel multimodal intervention including six sessions of acupuncture, exercise therapy, and treadmill walking with functional electrical
stimulation (FES) had a positive impact on knee pain and function in a middle-aged male with knee osteoarthritis.
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Upregulation of SNAI2 and SOX9 mRNA versus downregulation of eight other EMT/stemness related genes in basal cell carcinoma. Br J Dermatol 2019; 181:1065-1066. [PMID: 30972730 DOI: 10.1111/bjd.17995] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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COMPARISON OF LATERAL ABDOMINAL MUSCLE THICKNESS IN YOUNG MALE SOCCER PLAYERS WITH AND WITHOUT LOW BACK PAIN. Int J Sports Phys Ther 2019; 14:273-281. [PMID: 30997279 PMCID: PMC6449017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023] Open
Abstract
BACKGROUND While researchers have investigated low back pain (LBP) and its association with the thickness of trunk muscles in the general population, few articles have studied this relationship in athletes. HYPOTHESIS/PURPOSE To compare the lateral abdominal muscle thickness and other possible functional risk factors in young soccer players with and without LBP. STUDY DESIGN Cross-sectional study. METHODS Thirty young male soccer players, with and without LBP, from the Premier League participated in this study. The thicknesses of the external oblique, internal oblique and transversus abdominis muscles were measured via musculoskeletal ultrasound imaging, bilaterally. In addition, hamstring flexibility, lumbar spine flexion range of motion, and trunk extensor muscle endurance were measured and were compared in those with and without the history of LBP. RESULTS The mean age of the subjects was 17.4 (+/- 1.1) years. There was no statistically significant difference between groups (p > 0.05). Subjects with a history of LBP during their lifetime of sports participation (sports life), within the prior year, and within the prior month had statistically significant lower external oblique muscle thickness bilaterally (p<0.05). Subjects with a sports life history of LBP had lower internal oblique muscle thickness on both sides (p<0.05). Moreover, those with a sports life history of LBP had significantly less hamstring flexibility than the non-LBP group on the dominant limb (p < 0.05). CONCLUSION In this sample group of young soccer players, abdominal muscle ultrasound measurements were different between players with and without LBP. Further longitudinal studies are needed to evaluate the role of these muscles as LBP risk factor for soccer players. LEVELS OF EVIDENCE 3a.
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The effect of dry needling on upper and lower limb spasticity in a patient with a brain tumor. Acupunct Med 2019; 37:133-135. [PMID: 30845810 DOI: 10.1177/0964528419830401] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Abstract
BACKGROUND The prevalence of low back pain (LBP) in athletes across a variety of time frames and sports is not known. OBJECTIVES To systematically collate and appraise studies on the prevalence of LBP in athletes and stratify by point, one year and life-time prevalence. METHODS A comprehensive search was conducted in February 2016. The following sources were individually searched: PubMed (1950 to present), Ovid SP Medline (1950 to present), ISI (1982 to present) and Google Scholar; Surveys were included if they aimed to report the prevalence of LBP amongst the athletes. Two reviewers independently evaluated the methodological quality of the studies. RESULTS The literature search generated 4379 records. Title and/or abstracts were reviewed by two investigators and full-texts of 201 relevant articles were selected for further evaluation. Studies were included if they reported the prevalence of LBP in an athletic population (any level of participation in sports and any age range) and were written in English. Furthermore, to adequately assess the prevalence rate, studies had to report the number of athletes with LBP as a percentage of the total number of athletes. Studies that did not contain necessary data to calculate prevalence rate including case reports and non-original studies were excluded and 41 studies entered the bias assessment step. A bias assessment was applied to the methodology of 41 studies, and 36 with low to moderate risk for bias were included in this review. LBP in athletes was shown to have a point prevalence ranging from 10% to 67%, a one-year prevalence ranging from 17% to 94%, and a life-time prevalence ranging from 33% to 84%. The highest prevalence of LBP was found among skiers, floorball players and rowers and the lowest were found in shooters, golfers and triathletes. CONCLUSION Like general population, LBP is quite prevalent among athletes. There is a lack of sound data on the prevalence and mechanism of LBP in some popular sports such as volleyball, swimming and track and field. The lack of standardization of research methods and outcome measurement tools are significant problems in literature. Researchers need to use standard and internationally acceptable definitions for LBP and related functional disability. Investigators are encouraged to conduct epidemiologic studies, along with search for possible mechanism of LBP, by recruitment of large sample population of the athletes who are selected through randomization of the national population and adopt recent recommendations for a standard definition of LBP.
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Abstract
Many studies have investigated the prevalence of neck pain (NP) and its risk factors in the general population. However, the prevalence of NP among athletes has not yet been systematically investigated. We aimed to systematically review the prevalence of NP in athletes. A comprehensive search was conducted in September 2015 using PubMed, Ovid SP Medline, ISI, and Google Scholar. We included studies in English that reported the prevalence of NP in an athletic population during a defined period of time. We assessed the risk of bias in studies due to various definitions of NP, response rates, and reliability of the study instruments. Two reviewers independently assessed the studies’ quality and performed data extraction. Of 1,675 titles identified, eight articles were assessed for risk of bias, and six with low or moderate risk were included. NP was shown to be prevalent in athletes, with a 1-week prevalence ranging from 8% to 45%, a 1-year prevalence ranging from 38% to 73%, and a lifetime prevalence of about 48%. The prevalence of NP in athletes is high. More studies regarding the prevalence and risk factors of NP may be useful for planning educational programs and developing appropriate rehabilitation protocols and preventive guidelines. Researchers are encouraged to perform epidemiologic studies in athletes with a low risk of bias.
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Comparison of the cross-sectional area of longus colli muscle between patients with cervical radicular pain and healthy controls. Ann Phys Rehabil Med 2018. [DOI: 10.1016/j.rehab.2018.05.345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Cycling with/without functional electrical stimulation improves lower limbs disability in patients post-stroke: A systematic review with meta-analysis. Ann Phys Rehabil Med 2018. [DOI: 10.1016/j.rehab.2018.05.909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Designing and implementing a curriculum for Sports and Exercise Medicine elective course for undergraduate medical students of Tehran University of Medical Sciences. Br J Sports Med 2018; 53:601-604. [PMID: 29934428 DOI: 10.1136/bjsports-2018-099462] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/07/2018] [Indexed: 11/03/2022]
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Prevalence and correlates of low physical activity in the Iranian population: National survey on non-communicable diseases in 2011. Scand J Med Sci Sports 2018. [PMID: 29528518 DOI: 10.1111/sms.13082] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
To assess the prevalence and correlates of low physical activity among Iranian population aged 15-64 years. We used the data collected in National Surveillance of Risk Factors of Non-Communicable Diseases in Iran, 2011. Physical activity was categorized in 3 levels of low, moderate, and high based on a Persian version of Global Physical Activity Questionnaire. The multistage cluster sampling design was accounted for using complex survey analysis method. The sample included 10016 individuals; 41.7% (n = 4178) were men and 58.3% (n = 5837) were women. The mean (SD) age of participants was 38.8 (14.9) years also, and 69.8% (n = 6991) of the participants were from urban areas. The prevalence of low physical activity in the whole population was estimated to be 44.8% (95% CI: 41.7, 48.1). The odds of lower physical activity in the women were 3 times greater than men (OR = 3.14; 95% CI: 2.64, 3.57); in the wealthiest people was 25% lower than the poorest people (OR = 0.75; 95% CI: 0.60, 0.94). The odds of lower physical activity in the age groups 55-64 years were 44% greater than the youngest age groups 15-24 years (OR = 1.44; 95% CI: 1.23, 1.68). The odds of lower physical activity in the obese participants were 18% greater than normal-weight people (OR = 1.18; 95% CI: 1.01, 1.38).). The odds of lower physical activity in diabetic patients were 30% greater than healthy people (OR: 1.30; 95% CI: 1.07, 1.57). The prevalence of low physical activity in Iran, 2011 was high. The correlates of low physical activity in Iran are different to those of Western populations. The main associated factors with low physical activity were female gender, urban area, low socioeconomic status, obesity, diabetes, and older age. Public health policies should target the groups at highest risk of low physical activity.
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Acute effects of one session dry needling on a chronic golfer's elbow disability. J Exerc Rehabil 2018; 14:138-142. [PMID: 29511665 PMCID: PMC5833959 DOI: 10.12965/jer.1836008.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2018] [Accepted: 01/29/2018] [Indexed: 02/05/2023] Open
Abstract
A 40-year-old retired male elite athlete with more than 20 years' experience in wrestling and bodybuilding with mild elbow pain and disability of 2 years presented to our clinic reporting an acute pain in medial aspect of the elbow. Physical examination revealed symptoms of left Golfer's elbow during target-directed movements. The results of sonography in left elbow showed low level of hypo echo irregularity and increased blood flow in color Doppler mode in the common flexor origin. The pain amplitude was moderate at rest and extremely high during kinetic and intentional movements. During last 2 years, the patient tried different types of therapy including manual therapy, Transcutaneous electrical nerve stimulation and also received a variety of injections none of which were effective for reducing pain and disability. This is the first study showed that one sessions of dry needling improved both pain and disability and helped to return to a normal life and exercise training.
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Prevalence of Chronic Neck Pain, Low Back Pain, and Knee Pain and Their Related Factors in Community-Dwelling Adults in Iran: A Population-based National Study. Clin J Pain 2017; 33:181-187. [PMID: 27258995 DOI: 10.1097/ajp.0000000000000396] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Chronic musculoskeletal pain (CMP) is increasing in prevalence rapidly. Over the past 2 decades low back pain has been ranked globally as the primary cause of years lived with disability. The primary objective of this study was to investigate the prevalence of chronic neck pain (CNP), chronic low back pain (CLBP), and chronic knee pain (CKP) and their related risk factors in the national Iranian population. METHODS We analyzed data obtained through a cross-sectional, population-based survey of 7889 Iranians who were aged between 30 and 70 years. RESULTS The prevalence of CNP, CLBP, and CKP was 15.34%, 27.18%, and 29.97%, respectively. Female sex, aging, body mass index≥25, Lur or Arab ethnicity, illiteracy, passive smoking, positive osteoporosis history, and low or high physical activity levels were risk factors for CLBP, CNP, and CKP after adjustment for potential confounders. For example, in participants with a body mass index≥30, odds ratios for CNP, CLBP, and CKP adjusted for age, sex, ethnicity, living area, education, employment status, smoking, and physical activity levels were 1.26 (95% confidence interval [CI], 1.04-1.52), 1.37 (95% CI, 1.17-1.59), and 1.64 (95% CI, 1.41-1.91), respectively. CONCLUSIONS This is the first study investigating the prevalence of CNP, CLBP, and CKP in the national population of Iran. It shows some modifiable risk factors for CMP, and suggests that affordable planning for these risk factors can be valuable in preventing CMP globally. However, this is a cross-sectional study and future longitudinal studies in this field are necessary.
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Differential BMI1, TWIST1, SNAI2 mRNA expression pattern correlation with malignancy type in a spectrum of common cutaneous malignancies: basal cell carcinoma, squamous cell carcinoma, and melanoma. Clin Transl Oncol 2016; 19:489-497. [PMID: 27718152 DOI: 10.1007/s12094-016-1555-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2016] [Accepted: 09/22/2016] [Indexed: 02/01/2023]
Abstract
PURPOSE Melanoma, squamous cell carcinoma (SCC), and basal cell carcinoma (BCC) can be used as a unique model to identify molecular mechanisms to distinguish rarely metastatic (BCC), often metastatic (SCC) and most metastatic (melanoma) cancer. It is known that epithelial-mesenchymal transition and stemness transcription factors (TWIST1, SNAI2/SLUG, and BMI1) play an important role in metastasis and their dysregulation has been demonstrated in metastatic cancers. We hypothesized that this spectrum of cutaneous cancers (BCC, SCC, and melanoma) would be a unique cancer model system to elucidate steps toward cancer invasion and metastasis. METHODS We evaluated the mRNA expression level of BMI1, TWIST1, and SNAI2/SLUG and studied clinicopathological features in 170 skin cancers along with normal tissue samples. RESULTS We demonstrate downregulation of BMI1 mRNA expression in BCC samples compared with controls (p = 0.0001), SCC (p = 0.001), and melanoma (p = 0.0001) samples. Downregulation of TWIST1 mRNA expression is seen in only BCC samples compared with controls (p = 0.031). High SNAI2 mRNA expression is represented in melanoma samples compared with controls (p = 0.022) and SCC samples (p = 0.031). High mRNA expression of TWIST1 is seen in patients with positive history of cancers. Extremely low mRNA expression of BMI1 is detected in patients with positive history of cancers other than skin cancer. CONCLUSIONS These findings provide support for the hypothesis that the spectrum of cutaneous cancers could be better understood as a series of gene dosage-dependent entities with distinct molecular events. Oncogene-induced senescence, mechanism of which is still unclear, could be one explanation for these results.
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Comparison of Lateral Abdominal Muscle Thickness and Cross Sectional Area of Multifidus in Adolescent Soccer Players with and without Low Back Pain: A Case Control Study. Asian J Sports Med 2016; 7:e38318. [PMID: 28144414 PMCID: PMC5259683 DOI: 10.5812/asjsm.38318] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Revised: 08/21/2016] [Accepted: 09/06/2016] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Low back pain (LBP) is a common complaint amongst adolescent athletes. While different studies have shown association between LBP and trunk muscle thickness in the general population, few articles have studied it in adolescent athletes. OBJECTIVES The aim of this study is to compare lateral abdominal muscle thickness and function, and cross sectional area (CSA) of lumbar multifidus (LM) in adolescent soccer players with and without LBP. METHODS In total, 28 adolescent soccer players with and without LBP, from the premier league participated in this study. The thickness of external oblique, internal oblique and transversus abdominis and the CSA of the LM muscles at L4 level on both sides were measured at rest and contraction via ultrasound imaging (USI). In addition, leg length discrepancy, hamstring flexibility, active lumbar forward flexion, and isometric muscle endurance of trunk extensors were measured in both groups. (study design/setting: case control study). RESULTS The mean (SD) age in LBP group and non-LBP group were 14.0 (1.1) and 14.1 (0.9) years, respectively. There was no significant difference in baseline characteristics of participants between groups. Findings showed no significant difference between LBP and non-LBP groups comparing all measured variables. CONCLUSIONS The data obtained support that there is not a correlation between abdominal muscle thickness and CSA of the lumbar multifidi and LBP in adolescent soccer players. These findings suggest that other factors rather than the thickness of deep trunk muscles may play a more significant role in the etiology of LBP in adolescent soccer players.
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Ultrasound assessment of trunk muscles and back flexibility, strength and endurance in off-road cyclists with and without low back pain. J Back Musculoskelet Rehabil 2016; 28:635-44. [PMID: 25391328 DOI: 10.3233/bmr-140559] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVES To compare the thickness of lateral abdominal muscles and Cross Sectional Area (CSA) of lumbar Multifidus Spinae (LM) muscles of competitive off-road cyclists with and without Low Back Pain (LBP). We also aimed to compare the maximum isometric back strength and endurance, as well as flexibility of lower back in cyclists with LBP and in the controls. METHODS The thickness of Transversus Abdominis (TrA), Internal Oblique (IO) and External Oblique (EO) along with the CSA of LM muscles of 14 professional competitive off-road cyclists with LBP and 24 controls were measured by ultrasound (US) in hook-lying position on the examination table, and mounted on the bicycle. In addition, the back strength and endurance of the subjects and the flexibility of the participants were measured. RESULTS Data showed a significantly lower thickness of Transversus Abdominis (TrA) and CSA of LM muscles in cyclists with LBP comparing to controls in all positions. No significant result regarding the flexibility of the subjects in case group comparing with the controls was found (p= 0.674). In addition, it was found that there is no significant difference in isometric back strength of the subjects between the groups (p= 0.105). However, we found that subjects with LBP have a lower endurance in back dynamometry with 50% of their maximum isometric back strength (p= 0.016). CONCLUSION In this study, useful information regarding possible factors associated with low back pain in off- road cyclists was found (lower thickness of TrA and LM muscles and decreased back endurance).
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Comparison of the Cross-Sectional Area of Longus Colli Muscle Between Patients With Cervical Radicular Pain and Healthy Controls. PM R 2016; 9:120-126. [PMID: 27346094 DOI: 10.1016/j.pmrj.2016.06.020] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Revised: 06/04/2016] [Accepted: 06/13/2016] [Indexed: 10/21/2022]
Abstract
BACKGROUND Previous studies have shown atrophy of paravertebral lumbar muscles in patients with lumbar radicular pain and have proposed rehabilitative approaches based on these findings. However, changes in cervical paravertebral muscles in patients with cervical radicular pain are still unknown. OBJECTIVE The aim of this study was to compare the cross-sectional area (CSA) of the longus colli muscle (LCM) in patients with cervical radicular pain and healthy controls via ultrasound measurement. STUDY DESIGN Case-control study. SETTING Outpatients who came for treatment to the neurosurgery clinic. PARTICIPANTS A total of 20 patients with more than 4 weeks of cervical radicular pain and 20 healthy matched (for body mass index, age, and gender) control subjects. INTERVENTIONS Ultrasound measurements. MAIN OUTCOME MEASURES The CSA of the LCM at the level of C5-C6 was measured by ultrasound with the subject in supine position. Also, Neck Disability Index (NDI), and visual analogue scale (VAS) scores were reported by patients. An independent-sample t test was used for investigation of differences in CSA and other variables in both groups. RESULTS A total of 20 patients with cervical radicular pain with a mean age of 42.4 years (standard deviation [SD] = 7 years) and 20 healthy matched controls with mean age of 40.7 years (SD = 7 years) participated in the study. Patients with cervical radicular pain showed smaller CSA of the LCM bilaterally compared with controls (mean difference: 0.37 [SD = 0.15]; P < .001). In the patient group, there were no significant differences between the CSA of the LCM in the involved and noninvolved sides. No correlations between the CSA of the LCM and VAS, Neck Disability Index, symptom duration, gender, BMI, and age of the patients were found. CONCLUSIONS This is the first study to show via ultrasound assessment that patients with cervical radicular pain had smaller bilateral CSA of the LCM in comparison with healthy controls. It is also not clear whether atrophy of the LCM in patients with cervical radicular pain is a consequence or a cause of the pain. Reduction in the stability of the neck due to atrophy of the LCM could make the cervical spine region susceptible to more injuries, which might be prevented by functional and strengthening exercises. LEVEL OF EVIDENCE III.
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Association Between Hearing Loss And Cauliflower Ear in Wrestlers, a Case Control Study Employing Hearing Tests. Asian J Sports Med 2015; 6:e25786. [PMID: 26448842 PMCID: PMC4592768 DOI: 10.5812/asjsm.6(2)2015.25786] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2014] [Revised: 02/06/2015] [Accepted: 02/25/2015] [Indexed: 12/01/2022] Open
Abstract
Background: According to anecdotal findings, some wrestling coaches and wrestlers believe that cauliflower ear might lead to hearing loss. Our preliminary study showed that the prevalence of hearing loss reported by the wrestlers with cauliflower ear is significantly higher than this rate among wrestlers without cauliflower ear. To the best of our knowledge, no other study has confirmed this finding employing hearing tests. Objectives: To evaluate and to compare the prevalence of hearing loss among wrestlers with and without cauliflower ears employing hearing tests. Patients and Methods: The subjects were randomly selected form 14 wrestling clubs in Tehran. Subjects were 201 wrestlers with cauliflower ears (100 wrestlers with one cauliflower ear and 101 wrestlers with two cauliflower ears) and 139 wrestlers without cauliflower ears. All the participants in this study were interviewed to collect information on demographic factors and medical history of risk factors and diseases related to hearing loss. The subjects in both groups underwent otoscopic and audiologic examinations. Results: Audiometric examination results at the frequency range of 0.5 - 8 KHz showed that the prevalence of hearing loss among cauliflower ears was higher than this rate among non-cauliflower ears. Also, the percentage of positive history of ear infections among cauliflower ears (8.4%) was about two times more than this finding among non-cauliflower ears (4.9%). This difference tended to be significant (OR: 1.86, P = 0.06, 95% CI: 0.98 - 3.53). Conclusions: To the best of our knowledge, this is the first study showing that the prevalence of hearing loss among cauliflower ears is higher than this rate among non-cauliflower ears confirmed by audiological tests. This emphasizes that, more preventive measures such as mandatory ear gear for wrestlers are required.
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Low back pain status of female university students in relation to different sport activities. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2015; 25:1196-203. [PMID: 26026471 DOI: 10.1007/s00586-015-4034-7] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Revised: 05/13/2015] [Accepted: 05/14/2015] [Indexed: 10/23/2022]
Abstract
PURPOSE To investigate the prevalence of low back pain (LBP) and its absence rate among female university student athletes in different types of sports. METHODS A cross-sectional study based on a standard self-reporting questionnaire was performed among 1335 athletes. Participants were female athletes who attended the National Sports Olympiad of Female University Students in basketball, volleyball, futsal, tennis, badminton, swimming, track and field, shooting, and karate. RESULTS One thousand and fifty-nine athletes with the mean (SD) age of 23.1 (3.8) years responded to the questionnaire (response rate 79%). The 12-month prevalence of LBP was 39.0%; in addition, lifetime and point prevalence of LBP were 59.7 and 17.8%, respectively. Basketball (47.9 %) and karate (44.0 %) players had reported the highest 12-month prevalence of LBP. Also, LBP prevalences in shooting (29.7 %) and badminton (42.4 %) players were not negligible. Results show that, LBP led to relatively high absence rate from training sessions (27.9%) and matches (13.0%). CONCLUSION While most of the existing literatures regarding female athletes' LBP have focused on particular sports with specific low back demands (such as skiing and rowing), many other sports have not been studied very well in this regard. Investigating LBP prevalence and related factors in other types of sports, such as combat sports, badminton and shooting, can help us better understand the prevalence of low back pain and provide us with necessary insight to take effective steps towards its prevention in athletes.
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Effect of abdominal resistance exercise on abdominal subcutaneous fat of obese women: a randomized controlled trial using ultrasound imaging assessments. J Manipulative Physiol Ther 2015; 38:203-9. [PMID: 25766455 DOI: 10.1016/j.jmpt.2014.12.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Revised: 12/08/2014] [Accepted: 12/12/2014] [Indexed: 01/01/2023]
Abstract
OBJECTIVES The aim of this study was to compare the effect of diet and an abdominal resistance training program to diet alone on abdominal subcutaneous fat thickness and waist circumference of overweight and obese women. METHODS This randomized clinical trial included 40 overweight and obese women randomly divided into 2 groups: diet only and diet combined with 12 weeks of abdominal resistance training. Waist and hip circumferences and abdominal skin folds of the subjects were measured at the beginning and 12 weeks after the interventions. In addition, abdominal subcutaneous fat thickness of the subjects was measured using ultrasonography. Percentage body fat and lean body mass of all the subjects were also measured using a bioelectric impedance device. RESULTS After 12 weeks of intervention, the weight of participants in both groups decreased; but the difference between the 2 groups was not significant (P = .45). Similarly, other variables including abdominal subcutaneous fat, waist circumference, hip circumference, body mass index, body fat percentage, and skin fold thickness were reduced in both groups; but there were no significant differences between the groups. CONCLUSIONS This study found that abdominal resistance training besides diet did not reduce abdominal subcutaneous fat thickness compared to diet alone in overweight or obese women.
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The role of ultrasound in diagnosis of the causes of low back pain: a review of the literature. Asian J Sports Med 2015; 6:e23803. [PMID: 25883773 PMCID: PMC4393543 DOI: 10.5812/asjsm.23803] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2013] [Accepted: 08/01/2014] [Indexed: 11/16/2022] Open
Abstract
Context: Low back pain (LBP) is among the most prevalent musculoskeletal conditions in the developed countries. It is a common problem causing disability and imposing a huge economic burden to individuals and state organizations. Imaging plays an important role in diagnosis of the etiology of LBP. Evidence Acquisition: The electronic databases included: PubMed (1950 to present), Ovid SP Medline (1950 to present) and ISI (1982 to present) and Google Scholar. In every search engine another search was performed using various permutations of the following keywords: ultrasonography, ultrasound imaging, low back pain, back muscles, paraspinal muscles, multifidus, transverse abdominis, muscle size, spinal canal, sacroiliac joint and spondylolisthesis. Results: Magnetic resonance imaging (MRI) is widely used in evaluation of patients with LBP; however, high costs, limited availability and contraindications for its use have restricted MRI utilization. In a quest for a less expensive and readily available tool to investigate LBP, clinicians and researchers found ultrasonography (US) as an alternative. In this review we discuss the US application in diagnosis of some common causes of non-specific chronic LBP. Discussed topics include evaluation of spinal canal diameter, paraspinal and transabdominal muscles, sacroiliac joint laxity, pregnancy related LBP, sacroiliitis, and spondylolisthesis using US in patients with LBP. Conclusions: While the first researches on employing ultrasound in diagnosis of patients with LBP had been focused on spinal canal diameter, recent studies have been mostly performed to evaluate the role of transabdominal and paraspinal muscles on core stability and thereby LBP occurrence. On the other side, Doppler ultrasonography has recently played an important role in objective measurement of joint laxity as a common etiology for LBP. Doppler imaging also in pregnant patients with LBP has been recommended as a safe and sensitive method. As conclusion, according to recent and most prestigious studies, focusing more on transabdominal muscle thickness can be considered as future approach in investigations.
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Comparison of the Thickness of Lateral Abdominal Muscles Between Pregnant Women With and Without Low Back Pain. PM R 2014; 7:474-8. [DOI: 10.1016/j.pmrj.2014.10.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2014] [Revised: 10/27/2014] [Accepted: 10/30/2014] [Indexed: 12/27/2022]
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Reversal time of postprandial changes of the thickness of abdominal muscles employing ultrasound measurements. ACTA ACUST UNITED AC 2014; 20:194-9. [PMID: 25267594 DOI: 10.1016/j.math.2014.08.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2014] [Revised: 08/21/2014] [Accepted: 08/28/2014] [Indexed: 10/24/2022]
Abstract
OBJECTIVES Low thickness of Transversus Abdominis, Internal Oblique and External Oblique muscles may play a role in development of low back pain. Ultrasonography is increasingly utilized to measure the thickness of these muscles. Prandial state has recently been proposed as a confounding factor in such measurements. We aimed to compare the reversal time of the postprandial thickness of these muscles with preprandial values. The measurement errors of ultrasonographic values were also assessed in both immediate preprandial and postprandial states. DESIGN Interventional cross-sectional study. METHODS The ultrasonographic thickness of lateral abdominal muscles was measured at rest and during abdominal drawing-in maneuver in 20 healthy participants before and after consumption of a specific meal. Postprandial ultrasound measurements continued every 15 min until their thickness reached 95% of their preprandial values. RESULTS There was a statistically significant reduction in postprandial thickness of these muscles (all p-values <0.001 on both sides). The reversal times were 1.5, 1.3 and 1.2 h for Transversus Abdominis, Internal Oblique, and External Oblique muscles, respectively. Standard Error of Measurement and Smallest Detectable Change were in the range of 0.007-0.013 mm and 0.020-0.035 mm, respectively. CONCLUSIONS To limit the effects of prandial state on the sonographic thickness of lateral abdominal muscles, we recommend measuring these values at least 1.5-2 h after food consumption. For the future studies, controlling the participants according to their prandial state is recommended.
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The effect of lumbar support on the ultrasound measurements of trunk muscles: a single-blinded randomized controlled trial. PM R 2013; 6:302-8; quiz 308. [PMID: 24107427 DOI: 10.1016/j.pmrj.2013.09.014] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2012] [Revised: 07/22/2013] [Accepted: 09/20/2013] [Indexed: 11/17/2022]
Abstract
OBJECTIVES To evaluate the effect of lumbopelvic belts on the thickness of lateral abdominal muscles and the cross-sectional area (CSA) of lumbar multifidus (LM) muscles. DESIGN A single-blinded randomized controlled trial. SETTING An academic and tertiary care referral spine and sports medicine center. PARTICIPANTS Sixty healthy volunteers with no history of low back pain in the previous year. METHODS The subjects were allocated into belt and control groups. Lumbar belts were given to the subjects in the belt group, and they were asked to use the belts during the study period except during sleeping hours. The subjects were assessed at baseline and at 4 and 8 weeks. MAIN OUTCOME MEASURES The thickness of lateral abdominal muscles and the CSA of the LM muscles were measured by ultrasound with the patient in the hook-lying position on an examination table. RESULTS The thickness of lateral abdominal muscles and the CSA of LM muscles on both sides decreased significantly among healthy subjects in the belt group after 8 weeks. CONCLUSION The results of this study show that lumbopelvic belts might influence the ultrasonographic measurements of lateral abdominal and LM muscles and thereby spine stability.
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Relations between lateral abdominal muscles thickness, body mass index, waist circumference and skin fold thickness. ACTA MEDICA IRANICA 2013; 51:101-106. [PMID: 23585316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2013] [Accepted: 03/16/2013] [Indexed: 06/02/2023] Open
Abstract
In light of provided progresses in ultrasound measurements of lateral abdominal muscles, an important role for these muscles, particularly transverse abdominis (TrA) muscle in stability of the spine has been suggested. Some authors have found significant correlations between body mass index (BMI) and thickness of these muscles. The aim of this study was to examine possible association between different methods of measurements of fatness and lateral abdominal muscles thicknesses, employing ultrasound imaging in healthy subjects. Ninety healthy male volunteers aged 18 to 38 (mean= 31.37, standard deviation=5.09) who met our inclusion criteria participated in this study. BMI, skin fold thickness, weight and waist circumference were assumed as the major outcomes for measurement of fatness of the subjects. Employing ultrasound measurements, the thickness of TrA, internal oblique (Int Obl) and external oblique (Ext Obl) muscles were also measured. We found positive significant relation between Ext Obl muscle thickness and all methods of measurements of fatness. Reversely, the results show that Int Obl muscle thickness significantly decreases with the rise of all methods of fatness measurement except weight which had no significant correlation with Int Obl thickness. No significant relation between the TrA muscle thickness and different measurements of the fatness of the subjects were found. In the studies investigate the thickness of lateral abdominal muscles; the authors try to match the participants of different groups of their study regarding the BMI. We found that both waist circumference and skin fold thickness measurements might be assumed as surrogate of BMI, in aim of matching the participants on Ext Obl muscle thickness.
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The effect of abdominal resistance training and energy restricted diet on lateral abdominal muscles thickness of overweight and obese women. J Bodyw Mov Ther 2012; 16:344-350. [DOI: 10.1016/j.jbmt.2011.12.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2011] [Revised: 11/16/2011] [Accepted: 12/09/2011] [Indexed: 11/28/2022]
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A National Experience on Physical Activity Initiatives for Adolescent Girls and their Mothers: CASPIAN Study. IRANIAN JOURNAL OF PEDIATRICS 2010; 20:420-6. [PMID: 23056741 PMCID: PMC3446096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/13/2010] [Revised: 06/05/2010] [Accepted: 08/09/2010] [Indexed: 12/03/2022]
Abstract
OBJECTIVE To provide a low-cost and simple model of culturally-appropriate and low cost facilities for improvement of physical activity for girls and their mothers through an after-school program and to determine the changes in anthropometric indexes after this trial. METHODS This national study was conducted in 2006-2007 in 7 provinces with different socioeconomic situations in Iran. Female students who studied in the 7(th) through 10(th) grade and their mothers were selected by random cluster sampling. In each province, 24 sessions of after-school aerobic physical activity were held for 90 minutes, two days a week, and 3 months long at school sites in the afternoon. FINDINGS The study comprised 410 participants (204 mothers and 206 daughters), with a mean age of 15.86±1.01 and 40.71±6.3 years in girls and their mothers, respectively. The results of the focus group discussions showed that in general, both mothers and daughters were satisfied from the program and found it feasible and successful. After the trial, the indexes of generalized and abdominal obesity improved significantly both in girls and in their mothers (P-value <0.0001 for weight, body mass index and waist circumference). CONCLUSION Our findings may provide a low-cost and simple effective model of motivation for physical activity with targeted interventions for girls and their mothers. We suggest that the success of this trial might be a result of bonding and accompaniment of mothers and daughters. Such model can be integrated in the existing health and education systems to increase the physical activity level.
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Comparison of the therapeutic effects of narrow band UVB vs. PUVA in patients with pityriasis lichenoides. J Eur Acad Dermatol Venereol 2010; 25:913-6. [DOI: 10.1111/j.1468-3083.2010.03879.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Abstract
BACKGROUND Skin lesions - benign and malignant - occur frequently in organ transplant recipients receiving long-term immunosuppressive therapy. These patients are at greater risk of skin cancers. AIMS To study dermatologic problems in renal transplant recipients (RTRs). METHODS One hundred patients (53 men and 47 women) were consecutively examined for benign and malignant skin complications since transplantation in Razi Hospital in Tehran Medical University. The main immunosuppressive therapy regimen in these patients was a combination of prednisolone, azathioprine, and cyclosporine. RESULTS The early and most common complication was cosmetic side effects that occurred in 98% patients. Skin infections occurred in 83% of the patients and most of them were viral infections (65%), especially of human papilloma viruses (HPVs) in 40% of the patients. We found six cases of malignancy in these patients in that four cases were skin cancers, including one case of SCC, one BCC, and two cases of Kaposi's sarcoma. Dermatologic problems occur most frequently in RTRs, especially skin cancers which have higher frequency in these patients than general population, particularly, Kaposi sarcoma. Sun exposure has an important role in developing epithelial skin cancers following transplantation. The age of developing skin cancer in these patients was early than normal population. CONCLUSION Our results emphasize the importance of dermatologic examinations and monitoring RTRs to obtain an early diagnosis and treatment of cutaneous manifestations.
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Abstract
BACKGROUND AND AIMS Psycho-dermatology addresses the interaction between mind and the skin. Effective management of at least one third of the patients attending the skin department depends, to some extent, upon the recognition of emotional and psychologic factors. The aim of this study was to provide epidemiologic data about common psycho-dermatoses and their prevalence in dermatologic patients in Iran. MATERIALS AND METHODS Patients suspicious to have psychocutaneous problem with primary dermatologic chief complaint were included. After detailed dermatologic evaluation, all patients were visited by an expert psychologist to determine prevalence of DSM-IV disorders in each psychocutaneous category including delusion of parasitosis, trichotillomania, dermatitis artefacta and neurotic excoriation. RESULTS A total of 178 patients including 78 (43.8%) males and 100 (56.2%) females entered the study. The commonest psychocutaneous disorder was neurotic excoriation followed by trichotillomania, delusion of parasitosis and dermatitis artefacta. Mood disorder was the commonest DSM-IV disorder in our patients, then anxiety disorder and drug-induced symptoms. CONCLUSION According to our results, it seems that all psychocutaneous disorders but delusion of parasitosis are commoner in females. Mood and anxiety disorders were common in patients with dermatitis artefacta, as patients with neurotic excoriation. In trichotillomania, obsessive compulsive disorder was the commonest disorder. Drug abuse is a major background of delusional parasitosis.
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