AT 5 Hollow Rock MRPS 2 Minutes

Lie on your back with your legs straight and your arms outstretched over your head.

Bow your lower back... simultaneously raising you legs and arms about 1 foot off the ground.

You body should be in a "hollow" or "bowed" position.

Mastering the right position is extremely difficult in the beginning... you want your entire back to be rounded from shoulders all the way to the butt.

Maintaining your body this position as ridged as possible, rock back and forth.

Do this for blocks of time ranging from 15 seconds to 2 minutes.

Works the lower abdominal muscles.

Works the lower abdominal muscles.

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