- Main muscle
- Obliques
- Also works
- Mostly just that one
- Equipment
- None needed
How to do it
- Lie on your side and prop yourself up on your forearm, elbow under your shoulder.
- Stack your feet and lift your hips so your body forms a straight line.
- Hold, then switch sides.
Common mistakes
- Letting your hips sag toward the floor.
- Rolling your chest forward.
Know what to lift next
Iron Streak puts lifts like the Side 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.