Article Text
Abstract
Background Whether hip range of motion (ROM) is a risk factor for groin pain in athletes is not known.
Objectives To systematically review the relationship between hip ROM and groin pain in athletes in cross-sectional/case–control and prospective studies.
Study design Systematic review, prospectively registered (PROSPERO) according to PRISMA guidelines.
Methods Pubmed, Embase, CINAHL and SPORTDiscus were systematically searched up to December 2015. Two authors performed study selection, data extraction/analysis, quality assessment (Critical Appraisal Skills Programme) and strength of evidence synthesis.
Results We identified seven prospective and four case–control studies. The total quality score ranged from 29% to 92%. Heterogeneity in groin pain classification, injury definitions and physical assessment precluded data pooling. There was strong evidence that total rotation of both hips below 85° measured at the pre-season screening was a risk factor for groin pain development. Strong evidence suggested that internal rotation, abduction and extension were not associated with the risk or presence of groin pain.
Conclusion Total hip ROM is the factor most consistently related to groin pain in athletes. Screening for hip ROM is unlikely to correctly identify an athlete at risk of developing groin pain because of the small ROM differences found and poor ROM measurement properties.
- Groin pain
- Athletes
- Hip
- Range of motion
- Flexibility
- Risk factor
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Footnotes
Contributors IT: Conception and design. Data acquisition, analysis and interpretation of data. Drafting the article. Revising it critically for important intellectual content and final approval of the version to be published.
LE: Conception and design. Data acquisition, analysis and interpretation of data. Drafting the article. Final approval of the version to be published.
VG: Conception and design. Critically assisting in interpretation of data. Revising the article critically for important intellectual content and final approval of the version to be published.
MB: Conception and design. Critically assisting in interpretation of data. Revising the article critically for important intellectual content and final approval of the version to be published.
SVDH: Data acquisition. Revising the article critically and final approval of the version to be published.
RL: Revising the article critically and final approval of the version to be published.
GK: Revising the article critically for important intellectual content and final approval of the version to be published.
JS: Revising the article critically for important intellectual content and final approval of the version to be published.
AW: Help in preparation of the manuscript. Revising the article for critical intellectual content. Interpretation of data and final approval of the version to be published.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.