Muscle Actions Flashcards
1
Q
Occipitofrontalis(frontal belly)
A
Wrinkles forehead
2
Q
Occipitofrontalis(occipital belly)
A
Draws scalp backward
3
Q
Orbicularis oris
A
Closes lips
4
Q
Depressor labii inferioris
A
Lowers lower lip
5
Q
Platysma
A
Depresses mandible
6
Q
Orbicularis oculi
A
Closes eye
7
Q
Temporalis
A
Elevates mandible
8
Q
Sternocleidomastoid
A
Turns head to side
9
Q
Rectus abdominis
A
Flexes vertrbral column
10
Q
External oblique
A
Compresses abdomen
11
Q
Serratus anterior
A
Rotates scapula laterally
12
Q
Trapezius
A
Extends head
13
Q
Pectoralis major
A
Adducts arm
14
Q
Latissimus dorsi
A
Draws shoulder downward and backward
15
Q
Deltoid
A
Abducts arm