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- Title
Sub-elite Football Players With Hip-Related Groin Pain and a Positive Flexion, Adduction, and Internal Rotation Test Exhibit Distinct Biomechanical Differences Compared With the Asymptomatic Side.
- Authors
KING, MATTHEW G.; SEMCIW, ADAM I.; HART, HARVI F.; SCHACHE, ANTHONY G.; MIDDLETON, KANE J.; HEEREY, JOSH J.; AGRICOLA, RINTJE; CROSSLEY, KAY M.
- Abstract
* BACKGROUND: Hip-related groin pain is common in sub-elite football players and may be associated with altered hip biomechanics. * OBJECTIVES: To compare the hip biomechanics, bony hip morphology associated with femoro-acetabular impingement (FAI) syndrome, and hip strength and range of motion (ROM) between the symptomatic and asymptomatic limbs of sub-elite football players with unilateral hip-related groin pain and a positive flexion, adduction, and internal rotation (FADIR) test. * METHODS: Fifteen sub-elite football (soccer) players with unilateral hip-related groin pain and a positive FADIR test were recruited for this observational cross-sectional study. Three-dimensional motion analysis and ground reaction force data were recorded for walking and a single-leg drop-jump (SLDJ) task. Participants also underwent a standard anterior-posterior hip radiograph and hip strength and ROM assessment. Between-limb differences were assessed using paired t tests or Wilcoxon signed-rank tests. * RESULTS: The symptomatic limb displayed a smaller peak hip extension angle (P = .01) and a lower peak hip adduction moment (P = .03) compared with the asymptomatic limb during the stance phase of walking. Additionally, during the SLDJ, the symptomatic limb demonstrated less total sagittal plane ROM (P = .04). The symptomatic limb also demonstrated less external rotation ROM (P = .03). However, no differences were found between limbs for bony hip morphology associated with FAI syndrome or hip strength. * CONCLUSION: This study found between-limb asymmetries in low- and high-impact functional tasks, such as walking and an SLDJ, in football players with unilateral hip-related groin pain. Despite unilateral pain, bony morphology associated with FAI syndrome did not differ between limbs.
- Subjects
BIOMECHANICS; COMPARATIVE studies; FOOTBALL; GAIT in humans; RANGE of motion of joints; ADDUCTION; ROTATIONAL motion; T-test (Statistics); ELITE athletes; CROSS-sectional method; GROIN pain; FEMORACETABULAR impingement
- Publication
Journal of Orthopaedic & Sports Physical Therapy, 2018, Vol 48, Issue 7, p584
- ISSN
0190-6011
- Publication type
Article
- DOI
10.2519/jospt.2018.7910