strength · bodyweight
Reverse Crunch
Lower-ab focus by curling knees toward the chest.
3 × 10–15 8 minrest 60s
No in-app demo yet for Reverse Crunch.
Watch demo on YouTubeEquipment
bodyweight
Rest
60s between sets
Primary muscles
core
Also works
hip flexors
How to do it
- Lie on your back, hands at sides, knees bent 90°.
- Curl hips off the floor, driving knees toward chest.
- Lower slowly.
- Keep lower back pressed down throughout.
Form cues
- ✓Brace core
- ✓Full range of motion
- ✓Slow, controlled tempo
Common mistakes
- ✗Rushing reps
- ✗Losing tension at the top
Progressions
- Master form → add reps → progress to harder variation