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 Muscle, subscapularis
Medically reviewed by Min Clinic Staff | Updated: January 2026
Muscle, subscapularis: A muscle that moves the arm by turning it inward (internal rotation). The tendon of the subscapularis muscle is one of four tendons that stabilize the shoulder joint and constitute the rotator cuff.