Leg Extension Crunch (with Stability Ball) Exercise Guide
Exercise Profile
- Target
- Quadriceps
- Equipment
- Stability ball
- Body Part
- Thighs, Waist
- Primary Muscle
- Quadriceps
- Secondary Muscles
- Obliques, Sartorius, Rectus Abdominis, Iliopsoas
- Intensity
- medium
- Category
- strength
- Skill Level
- intermediate
- Estimated Calories
- 5.5
- Alternate Names
- Stability Ball Leg Extension Crunch
Visualised Target Muscle Groups
Front
Back
How to: Leg Extension Crunch (with Stability Ball)
- Sit on a stability ball with your feet flat on the floor.
- Roll down until your lower back is resting on the ball while keeping your feet planted.
- Bring your legs up so your knees are bent at a 90-degree angle.
- Engage your core and lift your torso toward your knees, squeezing your abs.
- Lower back to the starting position and repeat for the desired number of repetitions.
Common Mistakes
- Arching the back excessively during the crunch.
- Rushing through the movements instead of using controlled motions.
Modifications
- Perform the exercise with one leg at a time for reduced intensity.
- Use a thicker stability ball for more support.
Tips
- Engage your core throughout the movement to maintain stability.
- Ensure your knees do not extend past your toes during the crunch.
Leg Extension Crunch (with Stability Ball) Alternatives
Tags
thighs
core
stability ball
strength
abs
fitness
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