| Résumé : |
Objectives Compare and assess relationships between strength and running biomechanics among healthy adolescents and young adult males and females. Design Retrospective cohort. Setting Clinic. Participants 802 healthy participants (570 F, 232 M; 16.6 + 2.3 years). Main outcome measures Mass-normalized knee flexor and extensor strength, hip adductor and abductor strength, hamstrings-to-quadriceps (H:Q), and abductor-to-adductor (Abd:Add) ratios were obtained using hand-held dynamometry. Mass-normalized peak vertical ground reaction force (vGRF), %stance, cadence, and stride length were obtained using an instrumented treadmill. Multivariate analyses of variance were used to compare strength and biomechanics across ages and sexes. Linear regressions were used to assess the relationships between strength and biomechanics, accounting for speed, age, and sex. Independent t-tests were used to compare strength between strength ratio profiles. Results Strength and running biomechanics significantly differed between sexes (p-range: |
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