Showing posts with label back extension. Show all posts
Showing posts with label back extension. Show all posts
Apr 23, 2011
Jan 18, 2011
Feb 25, 2009
Back extension
Back extension is a strength training exercise. It is done for strengthening lower back muscles. It can be done by lowering the body from a stand and raising back, or using a back extension machine where body pushes a weight backwards. (Wikipedia)
Sep 13, 2007
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