Objective: To determine if the combined isometric contractions of knee extension/hip adduction and knee extension/hip abduction will elicit a different quadriceps and gluteus medius electromyographic ...

The knee flexes in preparation for kicking a ... Ball and socket joints also allow types of movement called abduction, adduction, rotation and circumduction. Abduction – movement away from ...

Abduction – movement away from the midline of the body. This occurs at the hip and shoulder joints during a jumping jack movement. Adduction – movement towards the midline of the body.