Method 3 of 5: Beginner Leg Extensions
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Sit on the ball with your feet flat and at hip distance. Engage your abs and align your shoulders over your hips.
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Lift one foot and straighten your leg; Your calf should be parallel to the floor.
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Hold the position for 10 seconds. Use your other leg and your abs to keep the ball stable.
- Ball leg extensions condition the core muscles that support your spine.
- Release your foot back to the floor and lift your other foot. Repeat the leg extension 10 times on each side.