Old Fashioned Sit-Ups Stomach Exercise
- 15 years ago
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
If you have chronic back pain and work a desk job you should read the following article:
http://AskTheTrainer.com/posture-problems.html