When one muscle group contracts, the other relaxes, allowing for flexion and extension of the knee ... and hold this position before slowly returning to the starting position. The quadriceps ...

There are four muscles that make up the quad: the rectus femorus, vastus intermedius, vastus medialis ... knee extension. If you want to add a challenge to this exercise, add a weight, and hold ...

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 (EMG) ...

Measurements were taken before and at 2 and 3 weeks after surgery and included gait function (gait speed and Timed Up and Go test), knee extension velocity, quadriceps strength, knee range of ...