IFBB Pro and Primeval Labs athlete, Regan Grimes, shows us 3 unique shoulder raise variations he uses to build massive shoulders. Give them a try: https://muscle.ms/ReganDelts pic.twitter.com/MepXYQdXf2

IFBB Pro and Primeval Labs athlete, Regan Grimes, shows us 3 unique shoulder raise variations he uses to build massive shoulders. Give them a try: https://muscle.ms/ReganDelts  pic.twitter.com/MepXYQdXf2

Source: https://twitter.com/Muscle_Strength/status/1116460985538220035