Muscle Groups Flashcards
1
Q
SCM origin
A
Mastoid process
2
Q
SCM insertion
A
- Clavicle
- Sternum
3
Q
SCM actions
A
Flexes neck (against resistance)
4
Q
SCM innervation
A
Spinal accessory nerve
5
Q
Trapezius origin
A
T12 to superior nuchal line
6
Q
Trapezius insertion
A
- Lateral 3rd/clavicle
- Acromion process
- Spine/scapula
7
Q
Trapezius actions
A
Scapular
- Elevation
- Retraction
- Rotation
8
Q
Trapezius innervation
A
Spinal accessory nerve
9
Q
A
10
Q
Suprahyoid attachment points
A
FROM
- Hyoid
TO
- Mandible or temporal bone
11
Q
General function of suprahyoid
A
- 1st stages of swallowing (giggity)
- Assists in opening the mouth
12
Q
Suprahyoid muscles
A
- Digastric
- Mylohyoid
- Stylohyoid
- Geniohyoid
13
Q
Infrahyoid muscle group attachment points
A
FROM
- Hyoid
TO
- Stenum
- Larynx
- Scapula
14
Q
Infrahyoid actions
A
- Depresses hyoid after elevation during swallowing
- Changes position of larynx for speech
15
Q
This muscle group is anterior and lateral to the vertebral column
A
Deep cervical (prevertebral)
16
Q
Deep cervical actions
A
- Anterior flexion
- Lateral flexion
17
Q
Muscles of the deep cervical region
A
- Ant. Scalene
- Mid. Scalene
- Post. Scalene
- Longus capitis
- Longus colli
