Arm crossovers
Starting position
- Stand upright, feet hip-width.
- Arms straight out to the sides at shoulder height, palms down.
Execution
- Cross the straight arms in front of the chest, alternating which arm is on top.
- Open them wide again quickly until you feel a light stretch in the chest.
Common mistakes
- Letting the arms drop below shoulder height.
- Swinging the upper body along.
- Pulling the shoulders up to the ears.