Jumping jack

- 2–3sets
- 40 secreps or time
- 60 srest between sets
How to do it
- Stand tall with feet together and arms by your sides.
- Jump your feet out wide as your arms sweep overhead.
- Jump your feet back together as your arms come down.
- Keep a light, steady rhythm on the balls of your feet.
Common mistakes
- Landing flat-footed and heavy.
- Letting the knees cave inward.
Train it todayAdd it to a workout built around it.

