Library / Abdominals
Lying Tuck Crunch
Bodyweight · Core · Isolation
Abdominals Hip Flexors Joint friendly
Default prescription & biomechanics
- Primary muscles
- Abdominals
- Secondary muscles
- Hip Flexors
- Equipment
- Bodyweight
- Movement pattern
- Core (Pull force)
- Difficulty
- Beginner
- Working rep range
- 15-20 reps per set
- Between-set interval
- 60 seconds rest
Step-by-step coaching cues
- Lie on your back with legs extended and arms by your sides.
- Simultaneously lift your upper body and bring your knees towards your chest.
- Contract your abdominal muscles at the peak of the movement.
- Slowly return to the starting position.
- PT Cue: Keep your movement controlled and fluid.
Joint & safety considerations
No specific joint contraindications are flagged for Lying Tuck Crunch. Maintain controlled tempo across the full range of motion and stop the set if sharp joint pain occurs.
Biomechanical alternatives & swaps
Used by the in-app Swap sheet when your equipment is occupied or when adjusting exercise difficulty.
| Exercise | Relationship | Equipment |
|---|---|---|
| Cable Seated Crunch | Cable swap | Cable |
| Cable Standing Crunch with Rope Attachment | Cable swap | Cable |
| Dumbbell Overhead Sit Up | Dumbbell swap | Dumbbell |
| Dumbbell Plank Pass Through | Dumbbell swap | Dumbbell |
| Kettlebell Plank Pass Through | Kettlebell swap | Kettlebell |
| Lever Seated Crunch | Machine swap | Machine |
From the WorkoutCard biomechanical library (613 verified movements). For general strength and conditioning education, not medical or physiotherapy advice.