![]() It was postulated that patients would demonstrate greater hip flexor muscle fatigue compared to controls. Muscle fatigue was investigated in submaximal static and maximal dynamic conditions, so as to imitate situations that patients could encounter during daily and sport activities. Therefore, the aim of this study was to compare hip flexor fatigue between patients with symptomatic FAI and age-matched healthy controls. For this reason, it is important to verify if, besides hip flexor muscle weakness, FAI may lead to impaired fatigue resistance, which is defined as the muscle’s inability to maintain an expected force. observed that almost all patients with FAI (92%) could not practice their sport activities (e.g., running, tennis, football) as long as desired. reported that walking limitations of patients with FAI progressively worsen as walking time increases. Nevertheless, patients with symptomatic FAI also experience hip joint pain and disability while performing dynamic tasks for prolonged periods of time. Such FAI-related hip muscle weakness might cause functional disabilities during short moderate-to-high intensity dynamic tasks, such as jumping and one-leg stepping down. ![]() Patients with symptomatic FAI have considerable hip muscle weakness, that is, they present an impaired ability to develop maximal hip muscle strength compared to healthy controls. Femoroacetabular impingement (FAI) has been proposed as a pathomechanical mechanism that may instigate functional disability and early development of hip osteoarthritis in young and active adults. ![]()
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