Health Quick Fact September 20, 2011 gshort@shortfam.com 66 percentage of your body weight is what your upper-body muscles must lift during a regular pushup. Source: Journal of Strength and Conditioning Research Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Share on Tumblr (Opens in new window) Tumblr Share on Pinterest (Opens in new window) Pinterest Related posts: Quick Fact Heart-rate Monitor while lifting weights? 11 Fitness Myths Holding You Back Quick Quote