J James New member Apr 19, 2010 #1 I'm just curious to know what others believe are the most difficult to perform. personally I think the Human flag, muscle ups, 3 clap pushups and those reverse crunches popularised by Bruce Lee are the most difficult. What do you guys think?
I'm just curious to know what others believe are the most difficult to perform. personally I think the Human flag, muscle ups, 3 clap pushups and those reverse crunches popularised by Bruce Lee are the most difficult. What do you guys think?
