Journal
JOURNAL OF SPORTS SCIENCES
Volume 38, Issue 20, Pages 2291-2297Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/02640414.2020.1779489
Keywords
Running; kinematics; eccentric; Fitts' law; pelvis width
Categories
Funding
- American Society of Biomechanics
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A large peak hip adduction angle during running is a risk factor for several overuse injuries in women. The purpose of this study was to determine if female runners with a large peak hip adduction angle have differences in eccentric hip abductor muscle strength, hip neuromuscular control, and/or hip width to femoral length ratio (HW:FL) compared to those with a small angle. Hip adduction during running, hip strength, hip control, and HW:FL were measured in sixty healthy female runners (1.66 +/- 0.06 m; 63.2 +/- 8.3 kg; 27 +/- 6 years). Data from twenty runners with the largest and twenty with the smallest peak hip adduction angles were analysed. Between-group differences in hip strength, control, and HW:FL were determined using independent t-tests (p < 0.05). Variables that were significantly different between groups were entered into a regression model. Runners in both groups had similar hip strength (p = 0.90) and control (p = 0.65). HW:FL was greater in the large peak angle group (p = 0.04), but only explained a small amount of peak hip adduction angle variance for all sixty runners (R-2 = 0.05). Alarge peak hip adduction angle in some healthy female runners may simply be instinctive as there were no deficiencies in the strength or neuromuscular control constructs assessed.
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