Effect of PCL-deficiency (F1), knee flexion (F2) and flexor muscle activity (F3) on the position of the medial and lateral femoral condylus, the central reference point and the epicondylar axis ...

The muscles around the back of the thigh are the hamstrings, which are responsible for extension of the hip and flexion of the knee, making them equally essential for physical activity.

The muscles around the back of the thigh known as the hamstrings are responsible for extension of the hip and flexion of the knee, making them equally essential for physical activity.

The muscles around the back of the thigh known as the hamstrings are responsible for extension of the hip and flexion of the knee, making them equally essential for physical activity.

Your muscles get tight when you bend your joints for a long time. ... Seated knee flexion. Sit in a chair with your feet flat on the floor. Slide one foot back as far as you can.

Plantar flexion is a term that describes the motion of pointing the foot downwards. ... The plantaris muscle starts behind the knee, just above the gastrocnemius.

Knee flexion is just the process of bending your knee. Doing so engages your hamstring muscles, including your semitendinosus. Step 1: Stand behind a chair, using the chair back to balance as you ...