How to do it
Descend slowly for a count of three on each repetition.
- 1
Stand with a stability ball behind you and place one foot on top of the ball.
- 2
Balance on your standing leg with your arms extended for balance.
- 3
Squat down with your standing leg while the other leg extends backward on the ball.
- 4
Lower yourself until your thigh is parallel to the floor.
- 5
Push through your heel to return to the starting position.
- 6
Repeat for the desired number of repetitions before switching legs.
Expert tip
Focus on keeping your knee in line with your foot and not letting it collapse inward to prevent strain on the knee joint.
Common mistakes
- ✕Letting the trailing foot roll off the ball
- ✕Leaning the torso too far forward
- ✕Rising onto the toes of the standing leg