Gym, upper body
Raise light weights out to your sides up to shoulder height to build your shoulders.
Beta: we're less sure how well one camera can judge this move, so treat the scores as a rough guide.
Phone at hip height, about 3 metres away, facing you.
Your head, arms and hips need to be in the picture. The coach will remind you if it can't see you.
Not high enough
Lift until your arms are level with your shoulders.
Too high
Stop at shoulder height to protect your shoulders.