know the difference Cable reverse fly 3 variations.The cable reverse fly is an exercise primarily targeting the posterior deltoids, upper back, and to some extent, the trapezius muscles. It is commonly performed using a cable machine with dual pulley systems.#gym #bodybuilding #fitness #workout #muscle #workout #delts #backexercise #back #backworkout #تمارين_ظهر | Bodyfitness GYM