Primary Muscle Group: Pectoralis Major
Muscle Groups Worked in This Exercise: Pectoralis Major
Preparation: Stand in an upright position with knees slightly bent, back and head straight up. Place hands behind head and elbows pointed out to the side.
Breathing: Breath throughout the exercise stretch movement
Execution: Squeeze and press your elbows back as you maintain the same arm position with hands behind your head. Squeeze and hold the chest stretch position for 20-30 seconds to get a good full stretch of your chest muscles.