How to do it
- Slow and deliberate, rotating from the ribs rather than swinging the elbows.
- Keep the lower back flat on the floor throughout.
Common mistakes
- Going fast, which turns a rotation exercise into flapping.
In StackUp. Logged as reps per set. Add weight if you use a belt or a dumbbell and StackUp progresses it like any other lift. Get the app.
Core