Library / Abdominals
Bent Knee Lying Twist
Bodyweight · Core · Isolation
Abdominals Obliques Joint friendly
Default prescription & biomechanics
- Primary muscles
- Abdominals
- Secondary muscles
- Obliques
- 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 knees bent and feet flat on the floor.
- Extend your arms out to the sides at shoulder height.
- Keeping your shoulders on the floor, slowly lower your knees to one side.
- Hold briefly, then return to the center.
- PT Cue: Keep your shoulders pressed to the floor throughout the movement.
Joint & safety considerations
No specific joint contraindications are flagged for Bent Knee Lying Twist. 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.