teres major muscle
Definition
- Noun:
- A skeletal muscle of the shoulder: The teres major muscle is a thick, rounded muscle located in the upper back and shoulder region. It originates from the lower part of the scapula (shoulder blade) and inserts into the upper part of the humerus (bone of the upper arm).
- Primary function: Its main actions are to adduct the arm (pull it toward the body), medially rotate the arm (turn it inward), and assist in extending the arm from a flexed position.
Usage Examples
- Noun:
- An injury to the teres major muscle can cause significant pain and limit shoulder movement.
- Strengthening exercises for the teres major muscle are important for athletes involved in throwing sports.
- During the anatomy exam, the student correctly identified the origin and insertion of the teres major muscle.
Advanced Usage
- "Teres major syndrome": A rare condition involving pain and dysfunction attributed to this muscle.
- The patient's posterior shoulder pain was diagnosed as teres major syndrome.
Variants and Related Words
- Teres major (noun): A common shortened form of "teres major muscle."
- The teres major works in conjunction with the latissimus dorsi.
- Teres minor muscle (noun): A smaller, adjacent rotator cuff muscle that performs a different action (lateral rotation).
- It is important to distinguish the teres major from the teres minor muscle.
Synonyms
- Teres major (noun): The most direct synonym.
- Musculus teres major (noun): The full Latin anatomical term.
Related Phrases
- "Teres major tendon": Refers specifically to the tendon of this muscle.
- The surgeon repaired the torn teres major tendon.
Noun
-
teres muscle that moves the arm and rotates it medially
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