The lower subscapular nerve, also known as the inferior subscapular nerve,[1] is the third branch of the posterior cord of the brachial plexus. It innervates the inferior portion of the subscapularis muscle and the teres major muscle.
Lower subscapular nerve | |
---|---|
Details | |
From | Posterior cord |
Innervates | Subscapularis and teres major muscle |
Identifiers | |
Latin | nervus subscapularis inferior |
TA2 | 6429 |
FMA | 65307 |
Anatomical terms of neuroanatomy [edit on Wikidata] |
The lower subscapular nerve contains axons from the ventral rami of the C5 and C6 cervical spinal nerves.[2][3] It is the third branch of the posterior cord of the brachial plexus.[4][5] It gives branches to 2 muscles:
The lower subscapular nerve innervates the subscapularis muscle and the teres major muscle.[2] These muscles medially rotate and adduct the humerus.[3]
This article incorporates text in the public domain from page 934 of the 20th edition of Gray's Anatomy (1918)