
Leg extension crunch with stability ball
Leg extension crunch with stability ball is a dynamic exercise that targets both the core and lower body. This versatile movement mainly activates the rectus abdominis, hip flexors, and quads. By incorporating a stability ball, it enhances balance and coordination, which are essential for athletic performance. Athletes benefit from improved core strength, stability, and lower body power, all crucial for explosive movements and injury prevention. This exercise is particularly beneficial for sports requiring agility and core control, like soccer and basketball.
| Primary muscle group: | Core |
| Exercise type: | Ball |
| Exercise goal: | Strength |
| Key metric: | Repetitions |
Community Averages
38472
Avg. reps/set
Popularity
* Based on data from the Blaze community
Description
- 1Lie supine (on your back) on the floor with your knees bent and a stability ball clasped between your feet.
- 2Place your hands behind your head.
- 3Raise the ball off the floor slightly by flexing your hips.Press your lower back against the floor to provide support.
- 4While exhaling, flex your abdomen to raise your upper back off the floor (crunch) and extend your knees to raise the stability ball into the air (leg extension).
- 5Hold this position for a count of two.
- 6While inhaling, relax your abdomen and flex your knees to lower your upper back and the stability ball to the starting position.
- 7Repeat the exercise.
Tips & Tricks
Choose the Right Ball Size: Make sure the stability ball is the correct size for your height. Your knees should be at a right angle when you sit on the ball.
Engage Your Core: Keep your core muscles engaged throughout the entire exercise to maintain stability and maximize effectiveness.
Control Your Movements: Perform each move slowly and with control to maximize muscle engagement and reduce the risk of injury.
Breathe Properly: Exhale while crunching up and extending your legs, and inhale while returning to the starting position. Proper breathing will help you maintain rhythm and energy.
Stabilize with Your Hands: If you're new to this exercise, keep your hands on the floor for extra support until you build more core strength.
Avoid Overextending: Don't overextend your legs, as this could put unnecessary strain on your lower back. Only extend your legs as far as you can while maintaining proper form.
Keep Your Back Flat: Ensure that your lower back remains flat against the stability ball as you perform the crunch to engage your abdominal muscles fully.
Focus on Quality, Not Quantity: It's better to do fewer reps with proper form than more reps with poor form. Focus on each movement to get the most out of your workout.
Consistent Tension: Maintain tension in both your legs and abs throughout the exercise to improve muscle activation and endurance.
Modify as Needed: If the straight-leg extension is too challenging, try bending your knees slightly to make the exercise easier.
Track in the Blaze App
Download Blaze Workout Tracker to log this exercise with sets, reps, and progress tracking.
