deltoid muscle

Details

Instance of

muscle organ type, class of anatomical entity

Subclass of

scapulohumeral muscles, particular anatomical entity

Part of

scapulohumeral muscles

Has parts

anterior fibres of deltoid, posterior fibres of deltoid

antagonist muscle

latissimus dorsi muscle

arterial supply

thoracoacromial artery, posterior humeral circumflex artery, anterior humeral circumflex artery

described by source

Gray's Anatomy (20th edition), Brockhaus and Efron Encyclopedic Dictionary, Small Brockhaus and Efron Encyclopedic Dictionary, Meyers Konversations-Lexikon, 4th edition (1885–1890)

innervated by

axillary nerve, deltoid branch of anterior branch of axillary nerve, deltoid branch of posterior branch of axillary nerve

muscle action

abduction of the arm at the shoulder joint

muscle insertion

deltoid tuberosity of the humerus

muscle origin

clavicle, acromion, scapula

segmental innervation

fifth cervical nerve, sixth cervical nerve

Authority files