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Flashcards in Muscle List Deck (31):
0

5 muscles of facial expression

1) Buccinator
2) Obicularis oris
3) Obicularis oculi
4) Occipitofrontalis - frontal belly
5) Platysma

1

2 muscles of mastication

1) Masseter
2) Temporalis

2

4 muscles of the neck

1) Sternocleidomastoid
2) Anterior Scalene
3) Middle Scalene
4) Posterior Scalene

3

3 muscles of the vertebral column

1) iliocostalis cervicis
2) iliocostalis thoracis
3) iliocostalis lumborum

4

4 muscles of the abdomen

1) external oblique
2) internal oblique
3) transversus abdominis
4) rectus abdominis

5

6 muscles and 2 muscle groups of respiration

1) diaphragm
2) external intercostals
3) internal intercostals
4) pectoralis minor
5) scalenes (3)
6) Sternocleidomastoid

1) erector spinae muscles
2) abdominal muscles

6

Origin

Where muscle is FIXED

7

Insertion

Area of muscle attachment that MOVES toward origin

8

Buccinator

O) alveolar processes of maxilla and mandible
I) fibers of orbicularis oris
A) 1. Compresses cheek
2.retracts angle of mouth

9

Buccinator

O) 1. Alveolar processes of maxilla
2. Alveolar processes of mandible
I) fibers of orbicularis oris
A) 1. Compresses cheek
2.retracts angle of mouth

10

Obicularis oris

O) maxilla and mandible
I) lips/angle of mouth
A) 1. closes lips
2. compresses lips
3. purses lips

11

Obicularis oris

O) 1. maxilla
2. mandible
I) lips/angle of mouth
A) 1. closes lips
2. compresses lips
3. purses lips

13

Occipitofrontalis- frontal belly

O) epicranial aponeurosis
I) 1. Skin of eyebrow
2. Bridge of nose
A) 1. raises eyebrows
2. wrinkles forehead

14

Platysma

O) 1. Facia of pectoralis major
2. Facia of deltoid in between cartilage of 2nd rib and acromion
I) 1. Mandible
2. Skin of cheek
A) 1. Tenses skin of neck
2. Depresses mandible
3. Pull lower lip inferiority

15

Masseter

O) 1. Zygomatic arch
2. Maxillae
I) 1. Angle of mandible
2. Ramus of mandible
A) 1. Elevates mandible
2. PROTRACTS mandible

16

Temporalis

O) Temporal bone
I) Coronoid process of mandible
A) 1. Elevates mandible
2. RETRACTS mandible

17

Sternocleidomastoid

O) Sternal end of clavicle and manubrim
I) Mastoid process of temporal bone
A) Single side - Lateral flexion with rotation to opposite side
Both sides - Neck flexion

18

Anterior scalene

O) Transverse processes of cervical vertebrae
I) Superior surface of FIRST rib (closer to sternum)
A) Single side - Lateral flexion
1. Elevates ribs
2. Neck flexion

19

Middle scalene

O) Transverse processes of cervical vertebrae
I) Superior surface of FIRST rib
A) Single side - Lateral flexion
1. Elevates ribs
2. Neck flexion

20

Posterior scalene

O) Transverse processes of cervical vertebrae
I) Superior surface of SECOND rib
A) Single side - Lateral flexion
1. Elevates ribs
2. Neck flexion

21

Iliocostalis cervicis

O) Angles of ribs 3-6
I) Transverse processes of C4-C7
A) 1. Extend vertebral column
2. Lateral flexion of vertebral column

22

Iliocostalis thoracis

O) Angles of inferior 6 ribs
I) Angles of superior 6 ribs
A) 1. Extend vertebral column
2. Lateral flexion of vertebral column

23

Iliocostalis lumborum

O) Medial iliac crest and sacrum
I) Angles of INFERIOR 6 ribs
A) Lateral pelvis movement

24

External oblique

O) Anterior surface of ribs 5-12
I) 1. Linea alba
2. Iliac crest
A) Single - 1. Lateral flexion of vertebral column
2. Rotation of vertebral column
Both - 1. Flex vertebral column
2. Compress abdomen

25

Internal oblique

O) 1. Thoracolumbar fascia
2. Iliac crest
3. Lateral inguinal ligament
I) 1. Inferior lower ribs
2. Pubic crest
A) Single - 1. Lateral flexion of vertebral column
2. Rotation of vertebral column
Both - 1. Flex vertebral column
2. Compress abdomen

26

Transverse abdominis

O) 1. Cartilage of ribs 7-12
2. Iliac crest
3. Thoracolumbar facia
4. Lateral inguinal ligament
I) 1. Linea alba
2. Pubis
3. Xiphoid process
A) Compresses abdomen

27

Rectus Abdominis

O) 1. Pubic crest
2. Pubic symphysis
I) 1. Inferior surface of COSTAL CARTILAGE (5-7)
2. Xiphoid process
A) 1. Depresses ribs
2. Flexes vertebral column
3. Compresses abdomen

28

Diaphragm

O) 1. Xiphoid process
2. cartilage of lower 6 ribs
3. Lumbar bertebrae
I) Central tendon
A) 1. Expands thoracic cavity
2. Compresses abdominopelvic cavity

29

External intercostals

O) Inferior border of rib above
I) Superior border of rib below
A) Elevates ribs

30

Internal intercostals

O) Superior border of rib below
I) Inferior border of rib above
A) Depresses ribs

31

Pectoralis minor

O) Anterior surface of ribs 3-5
I) Coracoid process of scapula
A) Draws ribs superiorly with scapula fixed