Iron Streak- Main muscle
- Abdominals
- Also works
- Mostly just that one
- Equipment
- None needed
How to do it
- Lie on your back with your knees bent, feet flat, and arms crossed on your chest.
- Curl your head and shoulders off the floor by tightening your abs.
- Pause, then lower slowly.
Common mistakes
- Yanking on your neck.
- Sitting all the way up — the crunch is a short movement.
Know what to lift next
Iron Streak puts lifts like the Crunch 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.