Muscles Flashcards
1
Q
masseter origin
A
maxilla, zygomatic arch
2
Q
masseter insertion
A
mandible
3
Q
masseter action
A
elevates mandible
4
Q
deltoid origin
A
clavicle, acromion, spine of scapula
5
Q
delt insertion
A
humerus
6
Q
delt action
A
abduct and rotates humerus
7
Q
trapezius origin
A
occipital bone, vertebrae C7-T12
8
Q
trap insertion
A
clavicle, acromion, spine of scap
9
Q
trap action
A
elevate, depression, adduct
10
Q
pectoralis major origin
A
clavicle, sternnum, cartilages of ribs 2-6
11
Q
pec insertion
A
humerus
12
Q
pec action
A
flexion, adduct, medially rotate
13
Q
external intercostals origin
A
inferior border of rib
14
Q
external intercostals insertion
A
superior border of rib
15
Q
external intercostals action
A
elevates for respiration
