Wide Grip Overhand Chin Ups
Take a wide grip on the the pull-up bar and let your body hang free. This is the starting position.
Bending from the elbows and exhaling as you do, pull the body up to the maximum height you can. Your torso should travel in a straight line vertically which closes the angle between your upper arm and the sides of your body. Minimise momentum and swing throughout the movement to maintain focus on the correct muscle group.
Squeeze for a brief second at the top of the movement before lowering your body back to the starting position, inhaling as you do.