Benefits:
Shape and develop the pectoralis muscles. Targets the clavicular head of the pectoralis major muscles. This exercise also strengthens your deltoids, biceps, triceps, wrist flexors and brachialis muscles.
Movement:
Sit on a bench angled between 45- and 60 degrees, dumbbells in each hand and arms extended vertically or slightly bent. Inhale and extend horizontally , raise the arms to vertical while exhaling and contracting from the chest.