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Medicine-Ball Russian Twist

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

Calories Burned:  289 calories per hour   (based on a body weight of 150 lbs.)
Primary Muscles Trained:  Rectus Abdominis
Secondary Muscles Trained:  Obliques
Instructions: 
START: Sit on the floor with your knees bent and your feet flat. With both hands, hold a medicine ball. Your arms should be straight out in front of your chest. Lean back so your torso is at a 45-degree angle to the floor.

MOVEMENT: Brace your core and rotate to the right as far as you can. Keep your feet flat on the floor and your belly button facing forward. Pause, then reverse your movement and twist all the way back to the left as far as you can. Do this for 30 to 60 seconds.
Tags:  core, abs, six-pack

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