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Rectus Abdominis Contraction

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

Calories Burned:  204 calories per hour   (based on a body weight of 150 lbs.)
Primary Muscles Trained:  Rectus Abdominis
Start: Lie on your back on the floor, knees bent, and feet flat on the floor. Spread your fingers across your abdomen so you can feel your abdominal muscles from top to bottom on both sides.
Finish: Contract your abs and hold for the designated time, continuing to breathe steadily. 

Tags:  Lying Vacuum

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