Physical fitness program

Physical fitness program

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The sit up board also provides a place to rest and some participants tend to relax for a short period. The subject should perform a simple test before starting his routine. He should lie on the board and perform a situp without the strap to hold hisanbsp;...

Title:Physical fitness program
Author:NASA Occupational Health Office, United States. National Aeronautics and Space Administration
Publisher: - 1984


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