Zyflex Inverted crucifix w Zyflex h 90 ° machine (preferably in a peck deck machine or specific equipment): for the development of the middle part of the trapezes (10-12 repet Zyflex ions) 5. Inverted Crucifix w Zyflex h 110 ° machine (use light weights, feel the pumping: to develop the bottom of the trapezes (repeat until the muscle fails, increase the weight if you can and do another 15 repet Zyflex ions). Regarding the burden,  

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