muscles from lab 1&2 Flashcards
(49 cards)
origin of the sternocleidomastoid
clavicle and manubrium of sternum
origin of the trapezius
occipital protuberance, C7-T12 spinous processes
origin of the levator scapulae
C1-C4 transverse processes
origin of the rhomboid Minor
C7-T1 spinous processes
origin of the rhomboid major
T2-T5 spinous process
origin of the pectoralis minor
Ribs 3-5
origin of the serratus anterior
Ribs 1-8
insertion of the sternocleidomastoid
mastoid process of the temporal bone
insertion of the trapezius
clavicle; acromion process and spine of scapula
insertion of levator scapulae
superior angle of the scapula
insertion of rhomboid minor
medial border of scapula
insertion of rhomboid major
medial border of scapula
insertion of pectoralis minor
coracoid process of scapula
insertion of serratus anterior
medial border of scapula
action of sternocleidomastoid (3)
head flexion, lateral flexion of head to same side, rotation of head to opposite side
action of upper trapezius (2)
head extension and shoulder girdle elevation
action of middle trapezius (2)
shoulder girdle retraction and stabilization
action of lower trapezius (1)
shoulder girdle depression
action of levator scapulae (1)
shoulder girdle elevation
action of rhomboid minor (1)
shoulder girdle retraction
action of rhomboid major (1)
shoulder girdle retration
action of pectorals minor (1)
shoulder girdle depression
action of serratus anterior (1)
shoulder girdle protraction
origin of latissimus dorsi
spinous process of T7 through sacrum; lumbar fascia