Twist Crunch (Legs-up)
Expert Advice
Keep the movement controlled and focus on using your abs to twist rather than momentum, to maximize engagement of the oblique muscles.
How-to-do Steps
- Lie on your back with your hands behind your head and legs raised straight up.
- Lift your shoulders off the ground and twist your torso as you bring your right elbow towards your left knee.
- Lower back down and then twist to the other side, bringing your left elbow towards your right knee.
- Alternate sides for the desired number of repetitions.
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Muscles Worked
Twist Crunch (Legs-up) primarily targets the Abs, with Strength mechanics using Body Weight. Understanding muscle activation patterns helps you focus on proper engagement and maximize training effectiveness.
Primary

Abs70%
Secondary

Quads30%
Equipment
Body Weight

Exercise Type
Strength
Sets & Reps Guidance
Beginner3 x 12-15
Intermediate3 x 10-12
Advanced4 x 8-10
Frequently Asked Questions
What muscles does Twist Crunch (Legs-up) work?
Twist Crunch (Legs-up) primarily targets the Abs. Secondary muscles involved include Quads. It is classified as a Strength exercise performed with Body Weight.
How many sets and reps should I do for Twist Crunch (Legs-up)?
For beginners, start with 3 sets of 12-15. Intermediate lifters can do 3 sets of 10-12. Advanced athletes can push to 4 sets of 8-10. Adjust based on your goals and recovery capacity.
Is Twist Crunch (Legs-up) suitable for beginners?
Yes, Twist Crunch (Legs-up) is rated as a beginner-friendly exercise, making it an excellent starting point. Focus on mastering proper form before increasing intensity or load.