- Main muscle
- Adductors
- Also works
- Mostly just that one
- Equipment
- None needed
How to do it
- Lie on your side with your top foot or knee on a bench and your forearm on the floor under your shoulder.
- Lift your hips until your body is a straight line, held up by your top leg on the bench.
- Hold for the time, then switch sides. Start with the knee on the bench, which is easier.
Common mistakes
- Letting your hips sag toward the floor.
- Rolling your chest toward the floor.
Know what to lift next
Iron Streak puts lifts like the Copenhagen Plank 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.