The CrossFit Journal | The Push Up
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Written by Greg Glassman, Published March 2003 "The push-up, long a favorite among junior high school P.E. teachers and Marine Corps drill instructors, is for many, more closely associated with punishment than anything else. Though common to group exercise programs, its use in serious strength and conditioning regimens is infrequent." - Greg Glassman
The CrossFit Journal | The Push Up