2013 CrossFit Games champ Sam Briggs does 30 muscle-ups in 3:03.
WatchSam Briggs, 30 Muscle-ups in 3:03Support Your Local Gym
Community gyms need relief, and we need your help to get it. Join us and ask your members of Congress to save local gyms.
Community gyms need relief, and we need your help to get it. Join us and ask your members of Congress to save local gyms.
2013 CrossFit Games champ Sam Briggs does 30 muscle-ups in 3:03.
WatchSam Briggs, 30 Muscle-ups in 3:03