2013 CrossFit Games champ Sam Briggs does 30 muscle-ups in 3:03.
WatchSam Briggs, 30 Muscle-ups in 3:03BLACK FRIDAY DEALS ON COURSES AND THE CROSSFIT STORE
2013 CrossFit Games champ Sam Briggs does 30 muscle-ups in 3:03.
WatchSam Briggs, 30 Muscle-ups in 3:03