long head of left triceps brachii
Muscular systemUpper limbLeftFMA37700
Nomenclature
long head of left triceps brachii
caput longum musculi tricipitis brachii (Latin)
capo lungo del tricipite brachiale sinistro (Italian)
Descriptionentry
The only biarticular head of triceps, arising from the scapula.
Functionentry
Extension of the elbow; adduction and extension of the arm.
Originentry
Infraglenoid tubercle of the scapula.
Insertionentry
Posterior surface of the olecranon of the ulna.
Innervationentry
Radial nerve (C6-C8).
Blood supplyentry
Deep brachial artery.
Model