Lower limb biomechanics during low- and high-impact functional tasks differ between men and women with hip-related groin pain

Key Points

1. Male and female football players move differently during low impact (walking) and high impact (single leg drop jump) tasks.

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BACKGROUND & OBJECTIVE

Hip and groin pain is commonly seen in athletes, and athletes with hip and groin pain often present with alterations to range of motion, muscle strength, as well as limitations in performance in functional tasks and reduced participation in sport. Biomechanics are important to understand, as they can provide important information on loads being applied to the joint in certain tasks and movements, as well as the contributions that muscles around a joint make to those loads. A recent systematic review (1) of biomechanics in people with hip pain showed that there was an under-representation of women in these studies, with most cohorts being dominated by men. Also, there was little information about biomechanics in tasks that required a higher level of function, such as jumping and landing. Therefore, the aim of this study was to investigate the differences in lower limb biomechanics between men and women with hip-related pain during two contrasting tasks: walking and the single leg drop jump.

Athletes with hip and groin pain often present with alterations to range of motion, muscle strength, as well as limitations in performance in functional tasks.

Clinicians should also address movement strategies distal to the hip joint when treating hip and groin pain.

METHODS

The authors conducted this study in Melbourne, Australia, where they recruited football players (Australian rules and soccer) who had at least 6 months of hip or groin pain, and a positive flexion-adduction-internal rotation (FADIR) test. Athletes were excluded if they

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