Crunch (on stability ball, arms straight) Exercise Guide
Exercise Profile
- Target
- Rectus Abdominis
- Equipment
- Stability ball
- Body Part
- Waist
- Primary Muscle
- Rectus Abdominis
- Secondary Muscles
- Iliopsoas, Obliques
- Intensity
- medium
- Category
- strength
- Skill Level
- intermediate
- Estimated Calories
- 5
- Alternate Names
- Stability Ball Crunch with Arms Straight
How to: Crunch (on stability ball, arms straight)
- Sit on a stability ball with your feet firmly planted on the ground.
- Roll down slightly until your back rests on the ball, keeping your feet flat.
- Extend your arms straight up above you, keeping them aligned with your shoulders.
- Engage your core and tilt your pelvis slightly to flatten the lower back against the ball.
- Exhale as you crunch upward, lifting your upper body while keeping your arms straight.
- Hold for a moment at the top, then slowly lower back down to the starting position.
Common Mistakes
- Pulling on the neck instead of using the abdominal muscles.
- Arching the back excessively during the movement.
- Not engaging the core, which diminishes effectiveness.
Modifications
- Place your feet on the ground for more stability.
- Reduce the range of motion to find a comfortable position.
Tips
- Engage your core throughout the movement.
- Keep your feet flat on the ground while performing the crunch.
- Avoid pulling on your head; use your core muscles to lift.
Crunch (on stability ball, arms straight) Alternatives
Tags
core
strength
abs
stability ball
intermediate
waist