Pectoral girdle (Week 2) Flashcards
(21 cards)
Origin of levator scapulae
C1-C4
Insertion of Levator scapulae
Medial border of the scapula
Action of levator scapulae
Elevation of scapula
Origin of Rhomboideus Minor
Spines of T2-T5
Origin of Rhomboideus major
Spines of C7 and T1
Insertion of Rhomboideus major and minor
Medial border of the scapula
Action of Rhomboideus major and minor
Elevation and retraction of the scapulas medial border
Origin of Trapezius
Occipital bone, spinous processes of thoratic vertebrae
Insertion of Trapezius
Acromion, spine of scapula, lateral 1/3 of clavicle
Action of trapezius
Elevates scapula, pulls and depresses medial scapula border
Origin of Pectoralis Minor
3rd, 4th, and 5th ribs
Insertion of pectoralis minor
Coracoid process of scapula
Action of pectoralis minor
Depresses and protracts scapula
Origin of serratus anterior
Upper 8 ribs
Insertion of Serratus Anterior
Medial border and inferior angle of scapula
Action of Serratus Anterior
Protracts and rotates the scapula
Nerve supply of levator scapulae
Dorsal scapular nerve AND C3 AND C4
Nerve supply of rhomboideus major and minor
Dorsal scapular nerve
Nerve supply of trapezius
C2 AND C3 AND XI nerve
Nerve supply of pectoralis minor
Medial pectoral nerve
Nerve supply of serratus anterior
Long Thoracic Nerve
