Sonic Boom Workout [ How-To ] [ One Set ] by #DAREBEE (opens in new tab)

Sonic Boom is a high-rep shoulder workout that uses three exercises to work the entire shoulder joint and upper back\. Arm circles rotate the shoulder through its natural range of motion, training the muscles that keep the joint stable and controlled\. Wide arm circles do the same but with a larger movement, which brings more of the upper back into the work and increases the challenge for the shoulders\. Chest expansions open the arms out and back, strengthening the muscles between the should...