How to do it
- Kneel below the rope and crunch by pulling the ribs toward the pelvis.
- Hips stay fixed — if they move, it is a hip hinge and not a crunch.
Common mistakes
- Pulling with the arms and bowing from the hips.
In StackUp. Logged as weight and reps per set, and your heaviest working set decides whether the weight goes up next time. Get the app.
Core
