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Suitcase Crunch with Medicine Ball

GymAmerica
Posted by GymAmerica
Tuesday, April 3, 2012 at 5:39pm filed under Abdominals

Calories Burned:  306 calories per hour   (based on a body weight of 150 lbs.)
Primary Muscles Trained:  Lower Rectus Abdominis
Secondary Muscles Trained:  Obliques, Spinal Erectors
Instructions: 
Lie on your back with your legs straight. Use both hands to hold a medicine ball above your head and barely off the floor. Simultaneously raise your torso and bend your right knee toward your chest as you bring the ball over your knee and toward your foot. Reverse the movement and repeat, this time bending your left knee.

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