Machine Rear Delt Fly: how to do it and form tips

A pec deck or rear delt machine variation performed in reverse to isolate the posterior deltoid with constant tension.

Form tips

Sit facing the machine pad and grip the handles with a neutral or pronated grip.
Fly your arms out and back, squeezing your rear delts at full extension.
Don't shrug — keep your traps relaxed and let the rear delts do the work.

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