- 主要次要辅助
- 难度
- Intermediate
- 发力
- Pull
- 握法
- Overhand
- 机制
- Isolation
- Stand on a platform holding barbell in front with feet hip-width apart.
- Slowly roll down through spine one vertebra at a time, reaching toward toes.
- Reverse the motion, rolling up through spine until standing tall again.



