One arm, constant cable tension on the rear delt.
Move only at the shoulder, keep your torso still so the rear delt does the work.
The Single-Arm Reverse Fly (Cable) is a Shoulders-first movement, with Back working as the supporting cast. Track it consistently and you'll see exactly how it feeds your shoulders volume for the week.
The Single-Arm Reverse Fly (Cable) primarily works the Shoulders with Back assisting.
Pick a weight where you finish each set with 1 to 2 clean reps left in the tank. Own the top of your rep range before adding weight.
Yes, it's a unilateral movement. Start with your weaker side and match the reps with your stronger side so no side gets ahead.
