
Sit on an exercise ball and roll forward until your upper back is resting on the ball.
Hold a dumbbell with both hands and extend your arms straight up over your chest.
Slowly lower the dumbbell behind your head while keeping your arms straight.
Pause for a moment, then raise the dumbbell back to the starting position.
Repeat for the desired number of repetitions.
Activation
Chest
PrimarySets
3–5
Reps
8–12
Rest
60s