Log it in Platesmith. The app shows last time's numbers on every set of Hollow Rock, times your rest and tells you when to add weight. Free, with no ads.
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Muscles worked
| Main | Rectus abdominis |
| Also | Hip flexors |
Setup
Master the hollow body hold first; tuck the knees to make it easier.
How to do it well
- Lower back pressed to the floor, arms and legs long
- Rock from shoulders to hips without losing the shape
- Small, steady rocks
Common mistakes
- Letting the lower back arch off the floor
- Bending at the hips to rock
Similar exercises
General guidance, not medical advice. Start lighter than you think, and check with a doctor first if you have a health condition or injury.