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Old Fashioned Sit-Ups Stomach Exercise

M
Michael Behnken, MS, CSCS

3 views • Dec 19, 2008

Description

Sit-ups are a good exercise for people except for those with extremely tight hip flexors.

If you have chronic back pain and work a desk job you should read the following article:

http://AskTheTrainer.com/posture-problems.html

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