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)
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)
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