Ben Yanes on Instagram: "The front delts raise the arm more the the front, the middle delts raise the arm more to the side, and the rear delts pull the arm more backward. Put the resistance opposite to the directions each muscle pulls the upper arm, and you’ll have a specific exercise for whatever delt you want to target! To summarize: • The behind the back raise will target the front delt and front portions of the middle delt. • The y raise will target the rear delt and rear portions of the mid

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