Flexion of the hip joint occurs when the femur (upper leg) moves forwards, which happens when long jumpers land or at the end of kick in football. Extension of the shoulder occurs when the humerus ...

This occurs in the hip in golf while performing a drive shot. Plantar flexion – pointing the toes – this movement only occurs at the ankle, for example, pointing the toes in ballet.

The rectus femoris and sartorius support the flexion and extension of the hip and knee. Tight hip flexors make it harder for your pelvis to rotate properly and are typically caused by prolonged ...