Benefits:
Mainly works the clavicular head of the pectoralis major, as well as the anterior deltoid, serratus anterior, pectoralis minor and to a lesser degree the triceps brachii.
Movement:
Lie on an bench with an angle of no more than 60degrees. Grasp the low pulley handles with an overhand grip. Inhale and extend the arms vertically bringing the handles together. Exhale at the end of the movement and return to starting position.