Latissimus dorsi muscle
Last revised by Daniel J Bell on 10 Nov 2020
Citation, DOI, disclosures and article data
Citation:
Knipe H, Bell D, Deng F, et al. Latissimus dorsi muscle. Reference article, Radiopaedia.org (Accessed on 11 Dec 2023) https://doi.org/10.53347/rID-23252
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rID:
23252
Article created:
Disclosures:
At the time the article was created Henry Knipe had no recorded disclosures.
View Henry Knipe's current disclosuresLast revised:
10 Nov 2020, Daniel J Bell ◉
Disclosures:
At the time the article was last revised Daniel J Bell had no recorded disclosures.
View Daniel J Bell's current disclosuresRevisions:
12 times, by 9 contributors - see full revision history and disclosures
Systems:
Sections:
Tags:
Synonyms:
- Latissimus dorsi muscles
- Lats (muscle)
- Latissimi dorsi muscles
Latissimus dorsi muscle (plural: latissimi dorsi muscles, and colloquially often shortened to the lats) is one of the muscles that attaches the upper limb to the vertebral column.
Summary
-
origin
- spinous processes of T7-T12 vertebrae and thoracolumbar fascia
- posterior third of the iliac crest
- 9th-12th ribs
- inferior angle of the scapula
- insertion: floor of the bicipital groove of the humerus
- innervation: thoracodorsal nerve
- arterial supply: thoracodorsal artery (a branch of the subscapular artery)
- action: adduction, internal rotation and extension of the shoulder joint
References
- 1. Schuenke M, Schulte E, Schumacher U et-al. General Anatomy and Musculoskeletal System. Thieme. (2010) ISBN:1604062924. Read it at Google Books - Find it at Amazon
- 2. Susan Standring. Gray's Anatomy. ISBN: 9780702052309
Incoming Links
Articles:
- External oblique muscle
- Humerus
- Latissimus dorsi myocutaneous flap
- Ilium
- Deep brachial artery
- Trapezius muscle
- Shoulder
- Typical ribs
- Superior lumbar triangle
- Arm adduction
- Teres major muscle
- Breast implants
- Axillary artery
- Ribs
- Axilla
- Scapula
- Arm internal rotation
- Triceps brachii muscle
- Thoracodorsal nerve
- Latissimus dorsi injury
Cases:
- Intramuscular lipoma - latissimus dorsi
- Fecaloma
- Ischaemic fasciitis
- Intramuscular lipoma
- Bilateral elastofibromas dorsi
- Latissimus dorsi muscle injury
- Bilateral elastofibromas dorsi
- Superior lumbar hernia with incarcerated kidney
- Latissimus dorsi muscle rupture
- Bilateral elastofibromas dorsi
- Intramuscular lipoma - latissimus dorsi
- Lymphangioma - chest wall
- Elastofibroma dorsi
- Latissimus dorsi tendon rupture
- Latissimus dorsi tendon rupture
- Latissimus dorsi myotendinous junction tear
- Elastofibroma dorsi
Related articles: Anatomy: Upper limb
-
skeleton of the upper limb
- clavicle
- scapula
- humerus
- radius
- ulna
- hand
- accessory ossicles of the upper limb
- accessory ossicles of the shoulder
- accessory ossicles of the elbow
-
accessory ossicles of the wrist (mnemonic)
- os centrale carpi
- os epilunate
- os epitriquetrum
- os styloideum
- os hamuli proprium
- lunula
- os triangulare
- trapezium secondarium
- os paratrapezium
- os radiostyloideum (persistent radial styloid)
- joints of the upper limb
-
pectoral girdle
-
shoulder joint
- articulations
- associated structures
- joint capsule
- bursae
- ligaments
- movements
- scapulothoracic joint
-
glenohumeral joint
- arm flexion
- arm extension
- arm abduction
- arm adduction
- arm internal rotation (medial rotation)
- arm external rotation (lateral rotation)
- circumduction
- arterial supply - scapular anastomosis
- ossification centers
-
shoulder joint
-
elbow joint
- proximal radioulnar joint
- ligaments
- associated structures
- movements
- alignment
- arterial supply - elbow anastomosis
- development
-
wrist joint
- articulations
-
ligaments
- intrinsic ligaments
- extrinsic ligaments
- radioscaphoid ligament
- dorsal intercarpal ligament
- dorsal radiotriquetral ligament
- dorsal radioulnar ligament
- volar radioulnar ligament
- radioscaphocapitate ligament
- long radiolunate ligament
- Vickers ligament
- short radiolunate ligament
- ulnolunate ligament
- ulnotriquetral ligament
- ulnocapitate ligament
- ulnar collateral ligament
- associated structures
- extensor retinaculum
- flexor retinaculum
- joint capsule
- movements
- alignment
- ossification centers
-
hand joints
- articulations
- carpometacarpal joint
-
metacarpophalangeal joints
- palmar ligament (plate)
- collateral ligament
-
interphalangeal joints
- palmar ligament (plate)
- collateral ligament
- movements
- ossification centers
- articulations
-
pectoral girdle
- spaces of the upper limb
- muscles of the upper limb
- shoulder girdle
- anterior compartment of the arm
- posterior compartment of the arm
-
anterior compartment of the forearm
- superficial
- intermediate
- deep
-
posterior compartment of the forearm (extensors)
- superficial
- deep
- muscles of the hand
-
accessory muscles
- elbow
- volar wrist midline
- palmaris longus profundus
- aberrant palmaris longus
- volar wrist radial-side
- accessory flexor digitorum superficialis indicis
- flexor indicis profundus
- flexor carpi radialis vel profundus
- accessory head of the flexor pollicis longus (Gantzer muscle, common)
- volar wrist ulnar-side
- dorsal wrist
- blood supply to the upper limb
-
arteries
- subclavian artery (mnemonic)
- axillary artery
- brachial artery (proximal portion)
- ulnar artery
- radial artery
- veins
-
arteries
- innervation of the upper limb
- intercostobrachial nerve
-
brachial plexus (mnemonic)
- branches from the roots
- branches from the trunks
- branches from the cords
- lateral cord
- posterior cord
- medial cord
- terminal branches
- lymphatic drainage of the upper limb
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