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Back Extension: Ground

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

Calories Burned:  204 calories per hour   (based on a body weight of 150 lbs.)
Primary Muscles Trained:  Spinal Erectors
Instructions: 
Lay on the floor flat on your stomach.
 
Have your arms in front of you stretched out over your head. Raise your legs and upper chest off of the floor, arching your back. Keep your neck and head in a neutral or natural curve.
 
Hold this position for one second.
 
Return your legs and head to the floor. Repeat. 

Tags:  Hyper Extensions Level II, Supermans

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