Countermovement - drop jump – two-foot land and jump onto a box (with arm swing) ("Drop jump" Landing two legs, jumping onto box, arm swing)

Stand on a box to a height as instructed by your therapist.
When ready, hover one leg over the edge of the box.
Keeping your chest up, step forwards off the box ensuring you don’t jump.
Upon landing on both feet, jump forwards onto another box to a height as instructed by your therapist, using your arms to generate momentum.
Land softly on both legs with your knees shoulders width apart.
Hold this position.
Repeat.