You will need an assistant for this exercise.
Lie on your back and rest your leg on your assistant's shoulder just above your heel.
You should feel a gentle stretch in the back of your thigh.
Keeping your knee straight, gently push your leg into our assistant's shoulder and hold as instructed.
Relax and ask your assistant to gently lift your leg higher.
Hold this stretch as instructed.
Repeat the sequence, asking your assistant to lift your leg a little higher each time.
Ensure your knee remains straight throughout.