Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Subdeltoid

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

Subdeltoid: Beneath the deltoid, the large muscle that stretches from the clavicle (collarbone) to the humerus (the long bone in the upper arm) and so covers the shoulder.

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