Gym, upper body
Lower until your elbows reach 90°, then press back up, chest slightly forward.
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, filming you from the side.
Your whole body, head to feet, needs to be in the picture. The coach will remind you if it can't see you.
Go lower
The dip was shallow. Lower until your elbows bend to 90 degrees.
Stay more upright
You leaned too far forward. Keep your chest only slightly forward.