Joint hypermobility as a predictor of mechanical loading in dancers

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Abstract

Context: Dance requires the performance of complex movements that may exceed normal anatomical range however in hypermobile individuals this may have implications for injury and performance. Objectives: The aim of the study was to investigate the efficacy of the Beighton score (BS) in predicting mechanical loading in dancers in hypermobile and non-hypermobile dancers with consideration of accelerometer placement and lumbar flexion hypermobility. Design: Cohort study, clinical measurement. Setting: University. Participants: Thirty-four dancers had their joint hypermobility assessed by the BS. Participants completed the Dance Aerobic Fitness Test (DAFT) with a Global positioning device incorporating a triaxial accelerometer located at the cervico-thoracic junction (C7) and one at the mid belly of the gastrocnemius. Main outcome measures: Accelerometry data was used to calculate PlayerLoad total, PlayerLoad medial-lateral, PlayerLoad anterior-posterior and Player Load vertical. Physiological response was measured via heart rate and fatigue response by rate of perceived exertion. Results: The total BS was a poor predictor of all mechanical loading directions with PlayerLoad anterior posterior C7 (r = .15) and PlayerLoad total lower limb (r = .20) the highest values. Multiple linear regression was a better predictor with values of C7 (r = .43) and lower limb (r = 0.37). No significant difference existed between hypermobile and non-hypermobile subjects for mechanical loading values for all stages of the DAFT and for heart rate and fatigue responses. Conclusions: The BS is not a good predictor of mechanical loading which is similar in hypermobile and non-hypermobile dancers for all levels of the DAFT. Mechanical loading and fatigue responses are similar between hypermobile and non-hypermobile dancers.
Original languageEnglish
JournalJournal of Sport Rehabilitation
Publication statusAccepted/In press - 14 Oct 2018

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Joint Instability
Fatigue
Lower Extremity
Heart Rate
Accelerometry
Linear Models
Reference Values
Cohort Studies
Thorax
Outcome Assessment (Health Care)
Equipment and Supplies
Wounds and Injuries

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@article{491886cc4aa440bda8a6c768eb3f1946,
title = "Joint hypermobility as a predictor of mechanical loading in dancers",
abstract = "Context: Dance requires the performance of complex movements that may exceed normal anatomical range however in hypermobile individuals this may have implications for injury and performance. Objectives: The aim of the study was to investigate the efficacy of the Beighton score (BS) in predicting mechanical loading in dancers in hypermobile and non-hypermobile dancers with consideration of accelerometer placement and lumbar flexion hypermobility. Design: Cohort study, clinical measurement. Setting: University. Participants: Thirty-four dancers had their joint hypermobility assessed by the BS. Participants completed the Dance Aerobic Fitness Test (DAFT) with a Global positioning device incorporating a triaxial accelerometer located at the cervico-thoracic junction (C7) and one at the mid belly of the gastrocnemius. Main outcome measures: Accelerometry data was used to calculate PlayerLoad total, PlayerLoad medial-lateral, PlayerLoad anterior-posterior and Player Load vertical. Physiological response was measured via heart rate and fatigue response by rate of perceived exertion. Results: The total BS was a poor predictor of all mechanical loading directions with PlayerLoad anterior posterior C7 (r = .15) and PlayerLoad total lower limb (r = .20) the highest values. Multiple linear regression was a better predictor with values of C7 (r = .43) and lower limb (r = 0.37). No significant difference existed between hypermobile and non-hypermobile subjects for mechanical loading values for all stages of the DAFT and for heart rate and fatigue responses. Conclusions: The BS is not a good predictor of mechanical loading which is similar in hypermobile and non-hypermobile dancers for all levels of the DAFT. Mechanical loading and fatigue responses are similar between hypermobile and non-hypermobile dancers.",
author = "Ross Armstrong and Christopher Brogden and Matt Greig",
year = "2018",
month = "10",
day = "14",
language = "English",
journal = "Journal of Sport Rehabilitation",
issn = "1056-6716",
publisher = "Human Kinetics Publishers",

}

TY - JOUR

T1 - Joint hypermobility as a predictor of mechanical loading in dancers

AU - Armstrong, Ross

AU - Brogden, Christopher

AU - Greig, Matt

PY - 2018/10/14

Y1 - 2018/10/14

N2 - Context: Dance requires the performance of complex movements that may exceed normal anatomical range however in hypermobile individuals this may have implications for injury and performance. Objectives: The aim of the study was to investigate the efficacy of the Beighton score (BS) in predicting mechanical loading in dancers in hypermobile and non-hypermobile dancers with consideration of accelerometer placement and lumbar flexion hypermobility. Design: Cohort study, clinical measurement. Setting: University. Participants: Thirty-four dancers had their joint hypermobility assessed by the BS. Participants completed the Dance Aerobic Fitness Test (DAFT) with a Global positioning device incorporating a triaxial accelerometer located at the cervico-thoracic junction (C7) and one at the mid belly of the gastrocnemius. Main outcome measures: Accelerometry data was used to calculate PlayerLoad total, PlayerLoad medial-lateral, PlayerLoad anterior-posterior and Player Load vertical. Physiological response was measured via heart rate and fatigue response by rate of perceived exertion. Results: The total BS was a poor predictor of all mechanical loading directions with PlayerLoad anterior posterior C7 (r = .15) and PlayerLoad total lower limb (r = .20) the highest values. Multiple linear regression was a better predictor with values of C7 (r = .43) and lower limb (r = 0.37). No significant difference existed between hypermobile and non-hypermobile subjects for mechanical loading values for all stages of the DAFT and for heart rate and fatigue responses. Conclusions: The BS is not a good predictor of mechanical loading which is similar in hypermobile and non-hypermobile dancers for all levels of the DAFT. Mechanical loading and fatigue responses are similar between hypermobile and non-hypermobile dancers.

AB - Context: Dance requires the performance of complex movements that may exceed normal anatomical range however in hypermobile individuals this may have implications for injury and performance. Objectives: The aim of the study was to investigate the efficacy of the Beighton score (BS) in predicting mechanical loading in dancers in hypermobile and non-hypermobile dancers with consideration of accelerometer placement and lumbar flexion hypermobility. Design: Cohort study, clinical measurement. Setting: University. Participants: Thirty-four dancers had their joint hypermobility assessed by the BS. Participants completed the Dance Aerobic Fitness Test (DAFT) with a Global positioning device incorporating a triaxial accelerometer located at the cervico-thoracic junction (C7) and one at the mid belly of the gastrocnemius. Main outcome measures: Accelerometry data was used to calculate PlayerLoad total, PlayerLoad medial-lateral, PlayerLoad anterior-posterior and Player Load vertical. Physiological response was measured via heart rate and fatigue response by rate of perceived exertion. Results: The total BS was a poor predictor of all mechanical loading directions with PlayerLoad anterior posterior C7 (r = .15) and PlayerLoad total lower limb (r = .20) the highest values. Multiple linear regression was a better predictor with values of C7 (r = .43) and lower limb (r = 0.37). No significant difference existed between hypermobile and non-hypermobile subjects for mechanical loading values for all stages of the DAFT and for heart rate and fatigue responses. Conclusions: The BS is not a good predictor of mechanical loading which is similar in hypermobile and non-hypermobile dancers for all levels of the DAFT. Mechanical loading and fatigue responses are similar between hypermobile and non-hypermobile dancers.

M3 - Article

JO - Journal of Sport Rehabilitation

JF - Journal of Sport Rehabilitation

SN - 1056-6716

ER -