Lab 1 Muscles Flashcards
0
Q
Occipital
A
#25* Draws scalp backwards
1
Q
Frontalis
A
#1* Raises scalp and eyebrows
2
Q
Orbicularis oculi
A
#2 Closes eye
3
Q
Orbicularis oris
A
#9 Closes eye
4
Q
Buccinator
A
#14 Compresses cheek, sucking
5
Q
Temporalis
A
#22* Elevates and retracts mandible
6
Q
Digastric
A
17&19
Depresses mandible, elevates hyoid
(Speech and swallowing)
7
Q
Mylohyoid
A
#16 Elevates hyoid, mouth and tongue (swallowing)
8
Q
Sternohyoid
A
#218 Depresses hyoid and larynx
9
Q
Sternocleidomastoid
A
#21 Flexes, rotates head and back
10
Q
Scalenes
A
#224* Flexes, rotates head and neck; elevates ribs 1 and 2
11
Q
Levator scapulae
A
#225* Elevates, retracts and rotates scapula; flexes neck
12
Q
Pectoralis major
A
#262 See shoulder actions
13
Q
Pectoralis minor
A
#261 Depresses scapula, elevates ribs
14
Q
Serratus minor
A
#542 Abducts and rotates scapula
15
Q
Diaphragm
A
#252 Inspiration, depresses thorax floor
16
Q
External intercoastals
A
#255 Inspiration, elevates ribs
17
Q
Internal intercoastals
A
#256 Expiration, depresses ribs
18
Q
Trapezius
A
#226 Extends head, elevates, addicts and rotates scapula
19
Q
Latissimus dorsi
A
#541 Prime extensor of humerus, adducts and medially rotates arm
