Lab Exam 1 Flashcards
Sternocleidomastoid (Origin)
Clavicle and Manubrium
Sternocleidomastoid (Insertion)
Mastoid process of temporal bone
Sternocleidomastoid (Action)
Flexes, laterally flexes, and rotates head to opposite side
Trapezius (Origin)
Occipital protuberance, C7-T12 spinous process
Trapezius (Insertion)
Clavicle acromion process and spine of scapula
Trapezius (Action)
Upper: Extends head or elevates shoulder girdle
Middle: Retracts and stabilizes scapula
Lower: Depresses scapula and shoulder girlde
Levator Scapulae (Origin)
C1-C4 spinous processes
Levator Scapulae (Insertion)
Superior angle of scapula
Levator Scapulae (Action)
Elevates Scapula
Rhomboid Minor (Origin)
C7-T1 Spinous Processes
Rhomboid Minor (Insertion)
Medial Border of scapula
Rhomboid Minor (Action)
Scapular retraction
Rhomboid Major (Origin)
T2-T5 Spinous processes
Rhomboid Major (Insertion)
Medial Border of scapula
Rhomboid Major (Action)
Scapular retraction