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, teres minor
Medically reviewed by Min Clinic Staff | Updated: January 2026
Muscle, teres minor: A muscle that assists in the lifting of the arm during outward turning (external rotation) of the arm. The tendon of the teres minor muscle is one of four tendons that stabilize the shoulder joint and constitute the rotator cuff.