How to do it
Rest your head on your bottom arm to keep your neck relaxed.
- 1
Lie on your side with your legs stacked and knees bent at a 90-degree angle.
- 2
Keeping your feet together, lift your top knee up like a clamshell opening.
- 3
Extend the top leg out in a kicking motion while keeping the knee raised.
- 4
Return to the clamshell position and lower your knee.
- 5
Repeat for the desired number of repetitions before switching sides.
Expert tip
Control the movement throughout to keep tension on the glutes and avoid using momentum.
Common mistakes
- ✕Lifting the feet apart in the clamshell phase
- ✕Rolling the pelvis backward during the lift
- ✕Dropping the knee before extending the leg