spinal part of left deltoid
Muscular systemUpper limbLeftFMA34685
Nomenclature
spinal part of left deltoid
pars spinalis musculi deltoidei (Latin)
parte spinale del deltoide sinistra (Italian)
Descriptionentry
Posterior portion of deltoid, from the spine of the scapula.
Functionentry
Extension and lateral rotation of the arm.
Originentry
Inferior border of the spine of the scapula.
Insertionentry
Deltoid tuberosity of the humerus.
Innervationentry
Axillary nerve (C5-C6).
Blood supplyentry
Posterior circumflex humeral artery.
Model