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 Teres minor muscle

Medically reviewed by Min Clinic Staff | Updated: January 2026

Teres minor muscle: A muscle that assists the lifting of the arm during outward turning (external rotation). The tendon of the teres minor muscle is one of four tendons that stabilize the shoulder joint and constitute the rotator cuff.