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Teres major muscle information


Teres major muscle
Posterior view showing the relations between teres major muscle (in red) and the other muscles connecting the upper extremity to the vertebral column.
Teres major muscle (in red) seen from back (posterior to anterior perspective).
Details
OriginPosterior aspect of the inferior angle of the scapula
InsertionMedial lip of the intertubercular sulcus of the humerus
ArterySubscapular and circumflex scapular arteries
NerveLower subscapular nerve (segmental levels C5 and C6)
ActionsAdduct the humerus, internal rotation (medial rotation) of the humerus, extend the humerus from flexed position
Identifiers
Latinmusculus teres major
TA98A04.6.02.011
TA22462
FMA32549
Anatomical terms of muscle
[edit on Wikidata]

The teres major muscle is a muscle of the upper limb. It attaches to the scapula and the humerus and is one of the seven scapulohumeral muscles. It is a thick but somewhat flattened muscle.

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. This muscle is commonly confused as a rotator cuff muscle, but it is not because it does not attach to the capsule of the shoulder joint, unlike the teres minor muscle for example.

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Teres major muscle

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somewhat flattened muscle. The teres major muscle (from Latin teres, meaning "rounded") is positioned above the latissimus dorsi muscle and assists in the...

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Teres minor muscle

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The teres minor (Latin teres meaning 'rounded') is a narrow, elongated muscle of the rotator cuff. The muscle originates from the lateral border and adjacent...

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Teres muscle

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Teres muscle may refer to: Pronator teres muscle Teres major muscle Teres minor muscle This disambiguation page lists articles associated with the title...

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Scapulohumeral muscles

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coracobrachialis muscle deltoid muscle rotator cuff muscles : infraspinatus muscle subscapularis muscle supraspinatus muscle teres minor muscle teres major muscle Other...

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Latissimus dorsi muscle

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Majors". As the latissimus dorsi inserts into the floor of the intertubercular groove of the humerus it is surrounded by two major muscles. The teres...

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Supraspinatus muscle

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supraspinatus muscle (shown in red). Animation. Muscles around the left shoulder, seen from behind. 3. Latissimus dorsi muscle 5. Teres major muscle 6. Teres minor...

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Lower subscapular nerve

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It innervates the inferior portion of the subscapularis muscle and the teres major muscle. The lower subscapular nerve contains axons from the ventral...

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Deltoid muscle

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Humerus Pectoralis minor Supraspinatus Infraspinatus Teres minor Subscapularis Pectoralis major Teres major Latissimus dorsi coracobrachialis Biceps brachii...

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Brachial veins

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bifurcation of the brachial artery). They end at the inferior border of the teres major muscle. At this point, the brachial veins join the basilic vein to form the...

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Infraspinatus muscle

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inferior angle of the scapula. Its synergists are teres minor and the deltoid. The infraspinatus and teres minor rotate the head of the humerus outward (external...

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Beef clod

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or teres major steak is a US cut of beef of the teres major muscle from the blade of the shoulder (chuck). It is one of the tenderest beef muscles and...

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Bicipital groove

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the biceps brachii muscle between the tendon of the pectoralis major muscle on the lateral lip and the tendon of the teres major muscle on the medial lip...

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Glossary of medicine

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– is the major blood vessel of the (upper) arm. It is the continuation of the axillary artery beyond the lower margin of teres major muscle. It continues...

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Pectoralis major

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The pectoralis major (from Latin pectus 'breast') is a thick, fan-shaped or triangular convergent muscle of the human chest. It makes up the bulk of the...

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Humerus

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the bicipital groove and is the site for insertion of teres major and latissimus dorsi muscles. The lesser tuberosity, is more prominent than the greater:...

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Subscapular nerves

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portion of the subscapularis muscle and the other branch inserts into the teres major. In some individuals, accessory upper subscapular nerve or accessory...

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Brachial artery

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artery is the major blood vessel of the (upper) arm. It is the continuation of the axillary artery beyond the lower margin of teres major muscle. It continues...

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Basilic vein

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communicates with.[citation needed] Around the inferior border of the teres major muscle and just proximal to the basilic vein's termination, the anterior...

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Scapula

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fibrous septum, which separates the infraspinatus muscle from the Teres major and Teres minor muscles. The upper two-thirds of the surface between the...

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Median nerve

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nerve enters the arm from the axilla at the inferior margin of the teres major muscle. It then passes vertically down and courses lateral to the brachial...

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Subscapularis muscle

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intersect the muscle and are attached to ridges on the bone; others from an aponeurosis, which separates the muscle from the teres major and the long head...

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Axillary vein

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on each side of the body. Its origin is at the lower margin of the teres major muscle and a continuation of the brachial vein. This large vein is formed...

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Triston McKenzie

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McKenzie began the 2023 season on the 60-day injured list with a right teres major muscle strain. He was activated to make his season debut on June 4, 2023...

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Terets

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neurological disorder Teres major muscle, an upper back muscle attaching the upper limb Teres minor muscle, an upper back muscle attaching the rotator...

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Merrill Kelly

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across his first four starts. He was placed on the injured list with a teres major muscle strain in his right shoulder in April 23, 2024. Kelly was transferred...

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Quadrangular space

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defined by: above/superior: teres minor muscle. below/inferior: teres major muscle. medially: long head of the triceps brachii muscle (lateral margin). laterally:...

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Axilla

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anterior muscle and thoracolumbar fascia, anteriorly by the pectoral muscles and posteriorly by the subscapularis, teres major and latissimus dorsi muscle. The...

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Triceps

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of the scapula. It extends distally anterior to the teres minor and posterior to the teres major. The medial head arises proximally in the humerus, just...

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Facioscapulohumeral muscular dystrophy

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otherwise A single MRI study shows the teres major muscle to be commonly affected. The semimembranosus muscle, part of the hamstrings, is commonly affected...

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Anatomical terms of muscle

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rhomboid shape; teres means round or cylindrical, trapezius means having a trapezoid shape, rectus means straight. Examples are the pronator teres, the pronator...

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