Iron Streak- Main muscle
- Lower Back
- Also works
- Hamstrings
- Equipment
- Dumbbells, plyo box or Dumbbells, bench or Kettlebells, plyo box
How to do it
- Stand on a box or step holding a light weight, legs straight.
- Tuck your chin and slowly roll down one vertebra at a time, letting the weight hang toward your feet.
- Go only as far as is comfortable, then roll back up slowly, head last.
Common mistakes
- Using a weight that’s too heavy — this is a mobility drill.
- Rushing the movement.
Know what to lift next
Iron Streak puts lifts like the Jefferson Curl 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.