- Main muscle
- Abductors
- Also works
- Glutes
- Equipment
- None needed
How to do it
- Lie on your side with your hips and knees bent and feet together.
- Keeping your feet together, lift your top knee as high as you can without rolling your hips back.
- Lower slowly; switch sides after your set.
Common mistakes
- Rolling your hips backward.
- Separating your feet.
Know what to lift next
Iron Streak puts lifts like the Clamshell into a weekly plan built around your goal, schedule and equipment. Every set shows the weight and reps to aim for, and your streak keeps score.