Glossary

Rear delts

The rear delts are the back portion of your shoulder.

Pull elbows back. Trained by rows, face pulls, and reverse flyes. Usually undertrained relative to front delts.

Also known as

posterior deltoid, rear deltoid, rear delt

Front delts
The front delts are the front portion of your shoulder muscle.
Lateral delts
The lateral delts are the side portion of your shoulder, responsible for most of your shoulder width.
Rhomboids
The rhomboids are the small muscles between your shoulder blades.

The full glossary

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