“Isometric Strength Training Workout Series” S:1 E:1 Upper Body Workout

S:1 E:1 Upper Body Workout This isometric strength training workout includes 1 circuit for all of the upper body muscles. This circuit features chest, back, shoulder, arms, and core exercises for stronger muscles. It’s recommended to do 3 rounds of each circuit holding each exercise for 30 seconds and resting 30 seconds between exercises. Rest 1 minute between each round. Be sure to squeeze your muscles hard when holding.