Greater understanding of normal hip physical function may guide clinicians in providing targeted rehabilitation programmes

Kemp, Joanne L., Schache, Anthony G., Makdissi, Michael, Sims, Kevin J. and Crossley, Kay M. (2013) Greater understanding of normal hip physical function may guide clinicians in providing targeted rehabilitation programmes. Journal of Science and Medicine in Sport, 16 4: 292-296. doi:10.1016/j.jsams.2012.11.887

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Author Kemp, Joanne L.
Schache, Anthony G.
Makdissi, Michael
Sims, Kevin J.
Crossley, Kay M.
Title Greater understanding of normal hip physical function may guide clinicians in providing targeted rehabilitation programmes
Journal name Journal of Science and Medicine in Sport   Check publisher's open access policy
ISSN 1440-2440
1878-1861
Publication date 2013-07
Year available 2013
Sub-type Article (original research)
DOI 10.1016/j.jsams.2012.11.887
Open Access Status File (Author Post-print)
Volume 16
Issue 4
Start page 292
End page 296
Total pages 5
Place of publication Chatswood, NSW Australia
Publisher Elsevier Australia
Collection year 2014
Language eng
Formatted abstract
 Objectives
This study investigated tests of hip muscle strength and functional performance. The specific objectives were to: (i) establish intra- and inter-rater reliability; (ii) compare differences between dominant and non-dominant limbs; (iii) compare agonist and antagonist muscle strength ratios; (iv) compare differences between genders; and (v) examine relationships between hip muscle strength, baseline measures and functional performance.

Design
Reliability study and cross-sectional analysis of hip strength and functional performance.

Methods
In healthy adults aged 18–50 years, normalised hip muscle peak torque and functional performance were evaluated to: (i) establish intra-rater and inter-rater reliability; (ii) analyse differences between limbs, between antagonistic muscle groups and genders; and (iii) associations between strength and functional performance.

Results
Excellent reliability (intra-rater ICC = 0.77–0.96; inter-rater ICC = 0.82–0.95) was observed. No difference existed between dominant and non-dominant limbs. Differences in strength existed between antagonistic pairs of muscles: hip abduction was greater than adduction (p < 0.001) and hip ER was greater than IR (p < 0.001). Men had greater ER strength (p = 0.006) and hop for distance (p < 0.001) than women. Strong associations were observed between measures of hip muscle strength (except hip flexion) and age, height, and functional performance.

Conclusions
Deficits in hip muscle strength or functional performance may influence hip pain. In order to provide targeted rehabilitation programmes to address patient-specific impairments, and determine when individuals are ready to return to physical activity, clinicians are increasingly utilising tests of hip strength and functional performance. This study provides a battery of reliable, clinically applicable tests which can be used for these purposes.
Keyword Hip joint
Muscle strength dynamometer
Rehabilitation
Test Retest Reliability
Femoroacetabular Impingement
Muscle Strength
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2014 Collection
School of Health and Rehabilitation Sciences Publications
 
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