Whole body vibration platform - bi-lateral calf raise (unsupported) ("Heel raises" Gastrocnemius strengthening (bilateral), standing - on vibration platform)

Adjust the time, intensity, and frequency settings on the vibration platform as instructed by your therapist.
Stand in the centre of the vibration platform with your feet a hip’s width apart.
Rise up onto your toes, keeping your knees straight, and then control the movement back down to the start position.
Try to maintain your balance throughout.
Repeat.