Legendary IFBB Pro bodybuilder Chris Cormier and NPC competitor Horacio Cuellar demonstrate the optimal hand positioning for dumbbell curls to help build bigger, rounder biceps
Training gallery of Chris Tuttle & Jason Hawley training at the Montanari Brothers Powerhouse Gym – Super Gym. Go to https://www.facebook.com/MontanariBrothersPowerhouseNewHaven …