The teres major muscle (from Latin teres, meaning "rounded") is positioned above the latissimus dorsi muscle and assists in the extension and medial rotation of the humerus.

Explore the Teres Major muscle's origin, action, and innervation. Understand its role in arm movement and shoulder stabilization.

May 5, 2023 · The teres major is a rectangular, thick, flat shoulder muscle extending from the lower scapular region below the armpit to the upper (proximal) part of the humerus’s shaft. It is one of the 7 …

Aug 14, 2025 · Explore the Teres Major muscle. Gain insight into its vital role in shoulder mechanics and practical advice for maintaining its well-being.

Apr 17, 2023 · The teres major is a thick but flattened, rectangular muscle that extends from the inferior posterior scapula to the medial lip of the intertubercular groove of the humerus.

2 days ago · The Teres Major Muscle (L. teres, round) is relatively short muscles that pass from the scapula to the humerus and act on the glenohumeral joint.

Oct 9, 2022 · The teres major is an intrinsic muscle of the shoulder region. It forms the inferior border of the quadrangular space – the space that the axillary nerve and posterior circumflex humeral artery …

Nov 3, 2023 · This article covers the anatomy, origins, insertions, functions, and clinical aspects of the teres major muscle. Learn this topic now at Kenhub!

The teres major (Latin: musculus teres major) is a flat and thick muscle of the upper limb. It stretches between the scapula and humerus. As the teres major muscle provides movements at the shoulder …

Stretch or impact injuries to the teres major muscle, sustained while playing sports or in motor vehicle accidents, as well as falls onto the lateral scapula are implicated in the evolution of teres major injuries.