Posts Tagged ‘boxing’
July 29th, 2010 | 
Author: 
Static contraction exercises for lower back. Use these exercises to strengthen the core musculature of the lower back and balance the abdominal workout. Floor work for boxing.
Duration : 0:4:12
Posted in back exercises | 
Tags: back, boxing, contraction, exercise, floor, floorwork, lower, static, work | 
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