strength · bodyweight
Bicycle Crunch
Alternating knee-to-elbow crunches — obliques and abs together.
3 × 20–30 total 8 minrest 60s
Equipment
bodyweight
Rest
60s between sets
Primary muscles
obliques
Also works
core
How to do it
- Lie on your back, hands lightly behind head.
- Lift shoulders, bring right knee to meet the left elbow.
- Switch sides in a pedaling motion.
- Keep neck long, don't yank the head.
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
