Associations Between Functional and Isolated Performance Measures in College Women’s Soccer Players

in Journal of Sport Rehabilitation
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Context:

The Star Excursion Balance Test (SEBT) and Functional Movement Screen (FMS) are functional performance measures capable of predicting lower-extremity injury risk. While suboptimal SEBT and FMS performances are influenced by multiple factors, the contribution of hip strength and flexibility to these tests is mostly unknown. Examination of hip strength and flexibility influences on the SEBT and FMS may direct clinicians to better methods of correcting functional deficits.

Objective:

Determine the relationships of isometric hip strength and hip passive range of motion (PROM) with functional performance measures.

Design:

Cross-sectional.

Setting:

Athletic training facility.

Participants:

43 NCAA Division I women’s soccer players (19.65 ± 1.12 y; 166.93 ± 3.84 cm; 60.99 ± 4.31 kg) volunteered.

Data Collection and Analysis:

All participants were tested bilaterally in the SEBT; the deep squat, in-line lunge, hurdle step, and straight leg raise, comprising a lower-extremity FMS (FMS-LE); hip internal and external rotation PROM; and isometric hip extension strength (HEXT). The mean of the 3 averaged, normalized SEBT scores was used as a composite score. Pearson product moment correlations assessed relationships of SEBT and FMS-LE scores with PROM and HEXT. Significance was set a priori at P < .05.

Results:

Pearson correlations revealed anterior (ANT) SEBT scores had a low negative association with HEXT (r = –0.33,P = .004) and a low positive association with hip internal rotation PROM (PROM-IR) (r = .43,P = .003). All other correlations were negligible.

Conclusions:

Flexibility training aimed at PROM-IR may contribute to improved ANT scores. Targeting HEXT and hip external rotation PROM are likely not preferred means of correcting deficits in SEBT and FMS-LE performance.

McCann is with the School of Physical Therapy & Athletic Training, Old Dominion University, Norfolk, VA. Kosik and Gribble are with the Dept of Rehabilitation Sciences, University of Kentucky, Lexington, KY. Terada is with the College of Sport and Health Science, Ritsumeikan University, Kusatus, Shiga, Japan. Beard is with the Dept of Health and Sports Sciences, Capital University, Columbus, OH. Buskirk is with the Dept of Sports Medicine, University of Toledo, Toledo, OH.

McCann (rmccann@odu.edu) is corresponding author.