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| Start Position | End Position |
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| Third Position | Muscle Groups |
| Primary Muscle Group | Secondary Muscle Group | Joint type |
| Core | Isolation | |
| Difficulty | Equipment Needed | |
| Basic High | (Ball) | |
Description
START POSITION: Lying face up on ball with shoulders centered on ball with legs bent to 90 degrees and arms at sides for stability. MOVEMENT: Slowly lift one leg up off floor and hold. Lower leg and repeat.
Video
http://www.youtube.com/embed/s_yT3QM3VbY