Iron Streak- Main muscle
- Lower Back
- Also works
- Glutes, Hamstrings
- Equipment
- Other weight machines
How to do it
- Set the pad just below your hips and hook your heels under the rollers, arms crossed on your chest.
- Lower your upper body toward the floor, bending at the hips.
- Raise back up until your body is in a straight line — no higher.
Common mistakes
- Arching past straight at the top.
- Rounding your back at the bottom.
Know what to lift next
Iron Streak puts lifts like the Back Extension 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.