THE KNEE JOINT MOMENT AND POWER DURING BALLET’S SIMPLE GROUND ÉCHAPPÉ- COMPARISON OF DIFFERENTIAL PHYSICAL CONDITION IN DANCERS WITH AND WITHOUT KNEE PAIN
Keywords:ballet dance, inverse dynamic, anterior knee pain
AbstractThe purpose of this study was to investigate the differential effect of physical condition on the impact force and the knee joint kinematics and kinetics of the dominant leg during ballet’s simple ground échappé in ballet dancers with and without anterior knee pain. Ten Eagle cameras (200 Hz) and two AMTI force platforms (2000 Hz) were synchronized to collect the data. The study showed ballet dancers exerted greater knee extensor moment and power generation in hard physical condition than in easy condition during simple ground échappé. Moreover, ballet dancers with knee pain tended to protect their knees with greater knee power absorption during simple ground échappé compared to dancers without knee pain.
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