Lie on your back with your feet up on the ball, keep your knees bent.

Lift your hips off the floor. Lift one leg straight up whilst keeping the other leg on the gym ball

Slowly start to straighten your leg that is on the ball, pushing the ball away from you.

Pause for a second and then slowly return to your starting position.

Repeat as prescribed.

Repeat on opposite side.

Will help:

Hamstring tendon/ muscle injury

Gluteal tendinopathy

Quadriceps injury

Post hip/knee op

Anterior hip pain