I read a Frederic Delavier’s book « Strength Training Anatomy » and I learned good stuff.
Standing, your feet apart with your legs slightly bent. Bent your bust forward with your back straight. Lets hang your arms and take a handle in each hand for cables to cross :
Inhale and raises your arms to the horizontal
Exhale at the end of the movement
This exercice mainly works deltoid posterior beams. Trapezius and rhombroid also work a little bit when you bring your shoulder blades together.
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