Fly Machines
Fly machines work the pectoralis major muscles, to include both the sternal head and the clavicular head. In addition to working the pectorals, this exercise works the coracobrachialis and the short head of the biceps.
Fly machines work the pectoralis major muscles, to include both the sternal head and the clavicular head. In addition to working the pectorals, this exercise works the coracobrachialis and the short head of the biceps.
