Leg Extension Crunch (Stability Ball)
Expert Advice
Keep your movements controlled and focus on using your abs to perform the crunch, rather than relying on momentum.
How-to-do Steps
- Lie on your back with your calves resting on a stability ball.
- Place your hands behind your head or across your chest.
- Contract your abs to lift your torso off the ground while simultaneously pulling your knees towards your chest, rolling the ball towards you.
- Slowly extend your legs back out and lower your torso to return to the starting position.
- Repeat for the desired number of repetitions.
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Muscles Worked
Leg Extension Crunch (Stability Ball) primarily targets the Quads, Abs, with Strength mechanics using Stability Ball. Understanding muscle activation patterns helps you focus on proper engagement and maximize training effectiveness.
Primary


Quads50%

Abs50%
Equipment
Stability Ball

Exercise Type
Strength
Sets & Reps Guidance
Beginner3 x 12-15
Intermediate3 x 10-12
Advanced4 x 8-10
Frequently Asked Questions
What muscles does Leg Extension Crunch (Stability Ball) work?
Leg Extension Crunch (Stability Ball) primarily targets the Quads, Abs. It is classified as a Strength exercise performed with Stability Ball.
How many sets and reps should I do for Leg Extension Crunch (Stability Ball)?
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 Leg Extension Crunch (Stability Ball) suitable for beginners?
Yes, Leg Extension Crunch (Stability Ball) is rated as a beginner-friendly exercise, making it an excellent starting point. Focus on mastering proper form before increasing intensity or load.