Muscles of Shoulder Girdle Revision Flashcards
Rhomboids
O: C5-T5
I: Medial border of scapula
Shoulder girdle - elevation, adduction, downward rotation
Levator Scapulae
O: C1 - C4
I: medial scapula
Shoulder girdle - elevation, adduction, downward rotation
Trapezius Upper Fibres
O: Occipital bone
I: Posterior and lateral 1/3 of the clavicle
Shoulder girdle - adduction, elevation (upward rotation)
Trapezius Middle Fibres
O: C7 - T3
I: Medial border of the acromion process
Shoulder girdle - adduction
Trapezius Lower Fibres
O: T4 - T12
I: base of the scapula spine
Shoulder girdle - adduction, depression, upward rotation
Serratus Anterior
O: Upper 9 ribs
I: Anterior and medial aspect of the scapula
Shoulder girdle - abduction, upward rotation
Pectoralis Minor
O: Anterior of ribs 3-5
I: Coracoid process
Shoulder girdle - abduction, depression, downward rotation