muscles part 1 Flashcards
sternocleidomastoid orgin
sternum and clavicle
sternocleidomastoid insertion
mastoid process
flex head forward and individual muscle tilts side to side
sternocleidomastoid muscle actions
iliocostalis , longissimus , and spinales is apart of what muscle
erector spinae
origin of erector spinae
various locations along the spine
insertion of erector spinae
various locations
extension of hips, trunk, and neck
actions of erector spine
trapezius origin
locations long the spine
trapezius insertions
clavicle and scapula
neck extension, scapular elevation and adduction
actions of trapezius
pectoral major origin
clavicle and coastal cartilage of upper ribs
pectoral major insertion
intertubercular groove of humerous
shoulder horizontal adduction, internal rotation, flexion and extension
pectoral major actions
rhomboids origin
spinous processes of C-7 - T-5
rhomboids insertion
medial border of scapula
scapular adduction
rhomboids actions
Lattisimus Dorsi origin
spinous process of the lower thoracic spine
deltoid orgin
clavicle and scapula