Torso Rotations, Torso Twists, Russian Twists… whatever you wanna call them - STOP using your arms so much! You’d think that having the weight held away from your body would demand more out of your core muscles, but we simply overcompensate and use our arms more instead! This takes away from the rotational core strength we’re trying to build! The fix is easy! Instead of holding the weight away from you, STICK IT ON YOUR UPPER CHEST! Hold it on yourself tightly and even though it seems like it wo