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Rear-Delt Cable Fly or Dumbbell Rear-Delt Fly: Which Is Better?

The rear-delt fly exercise can be performed with cables or dumbbells, and either version is a solid choice for isolating the posterior head of the shoulder muscle. But our Editor-in-Chief, Sean Hyson, CSCS, breaks down …

Onnit Academy | March 12, 2024
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