1. Keep your arms raised sideways or above your head as you balance.
2. Do arm exercises, moving your arms up and down, backwards and forwards, as you balance.
3. Throw a ball against a wall and catch it as you balance.
4. Do the exercise with your eyes closed.
5. Balance on a wobble board or rocker board.
6. Use a BOSU (pictured), to practise balancing on one leg, or for doing exercises like knee bends on 2 legs.