The Superficial Back Flashcards
Upper Trapezius
(Origin)
Origin: External Occipital Protuberance; Ligamentum Nuchae; SPs of 7th Cervical and all Thoracic Vertebrae
Upper Trapezius
(Insertion)
Insertion: Spine of Scapula; Acromion; Lateral third of Clavicle
Upper Trapezius
(Action)
Action: Elevate Scapula
Upper Trapezius
(Innervation)
Innervation: Spinal Accessory Nerve (XI)
Upper Trapezius
(Blood Supply)
Blood Supply: Transverse Cervical Artery; Dorsal Perforating Branches of Posterior Intercostal Arteries
Middle Trapezius
(Origin)
Origin: External Occipital Protuberance; Ligamentum Nuchae; SPs of 7th Cervical and all thoracic vertebrae
Middle Trapezius
(Insertion)
Insertion: Spine of Scapula; Acromion; Lateral third of clavicle
Middle Trapezius
(Action)
Action: Retraction of Scapula
Middle Trapezius
(Innervation)
Innervation: Spinal Accessory Nerve (CN XI)
Middle Trapezius
(Blood Supply)
Blood Supply: Transverse Cervical Artery, Dorsal Perforating Branches of Posterior Intercostal Arteries
Lower Trapezius
(Origin)
Origin: External Occipital Protuberance; Ligamentum Nuchae; SPs of 7th cervical and all thoracic vertebrae
Lower Trapezius
(Insertion)
Insertion: Spine of Scapula; Acromion; Lateral third of clavicle
Lower Trapezius
(Action)
Action: Depression of Scapula
Lower Trapezius
(Innervation)
Innervation: Spinal Accessory Nerve (CN XI)
Lower Trapezius
(Blood Supply)
Blood Supply: Transverse Cervical Artery, Dorsal Perforating Branches of Posterior Intercostal Arteries