Muscle of the neck

Question 1

Digastric: Anterior belly O

Answer 1

Inferior border of mandible

Question 2

Digastric: Posterior belly O

Answer 2

Mastoid process

Question 3

Digastric: I

Answer 3

Hyoid via common tendon (pulls mm down to hyoid)

Question 4

Digastric: A

Answer 4

Retract mandible. Hyoid fixed: depress mandible. Mandible fixed: elevate hyoid.

Question 5

Digastric: N

Answer 5

Trigeminal V

Question 6

Suprahyoids are:

Answer 6

Digastric, geniohyoid, mylohyoid, stylohyoid

Question 7

Geniohyoid: O

Answer 7

Inferior mental spines on inner pt of mandible. Deep to mylohyoid.

Question 8

Geniohyoid: I

Answer 8

Body of hyoid

Question 9

Geniohyoid: A

Answer 9

Elevate and protract hyoid, depress mandible

Question 10

Geniohyoid: N

Answer 10

Hypoglossal XII

Question 11

Mylohyoid: O

Answer 11

Mylohyoid line of mandible

Question 12

Mylohyoid: I

Answer 12

Body of hyoid

Question 13

Mylohyoid: A

Answer 13

Elevate hyoid, tongue and floor of mouth. Hyoid fixed: depress mandible

Question 14

Mylohyoid: N

Answer 14

Mandibular branch of trigeminal V

Question 15

Stylohyoid: O

Answer 15

Styloid process of temporal

Question 16

Stylohyoid: I

Answer 16

Body of hyoid

Question 17

Stylohyoid: A

Answer 17

Elevate and retract hyoid

Question 18

Stylohyoid: N

Answer 18

Facial VII

Question 19

Infrahyoids are:

Answer 19

Omohyoid, sternohyoid, sternothyroid, thyrohyoid

Question 20

Omohyoid: Superior belly O

Answer 20

Intermediate tendon

Question 21

Omohyoid: Inferior belly O

Answer 21

Superior border of scapula

Question 22

Omohyoid: Superior belly I

Answer 22

Body of hyoid

Question 23

Omohyoid: Inferior belly I

Answer 23

Medial clavicle via intermed. tendon (binds down to clavicle)

Question 24

Omohyoid: A

Answer 24

Depress and retract hyoid

Question 25

Omohyoid: N

Answer 25

Ansa cervicalis (C1-C3) "U turn"

Question 26

Sternohyoid: O

Answer 26

Medial clavicle and manubrium (upper sternum)

Question 27

Sternohyoid: I

Answer 27

Inferior border of hyoid body

Question 28

Sternohyoid: A

Answer 28

Depress hyoid

Question 29

Sternohyoid: N

Answer 29

Ansa cervicalis (C1-C3)

Question 30

Sternothyroid: O

Answer 30

Posterior pt of manubrium

Question 31

Sternothyroid: I

Answer 31

Oblique line of thyroid cartilage

Question 32

Sternothyroid: A

Answer 32

Depress thyroid cartilage

Question 33

Sternothyroid: N

Answer 33

Hypoglossal XII

Question 34

Thyrohyoid: O

Answer 34

Oblique line of thyroid cartilage

Question 35

Thyrohyoid: I

Answer 35

Greater horn of hyoid

Question 36

Thyrohyoid: A

Answer 36

Depress hyoid and elevate thyroid cartilage

Question 37

Thyrohyoid: N

Answer 37

Hypoglossal XII

Question 38

Rectus capitis anterior: O

Answer 38

TVP of C1

Question 39

Rectus capitis anterior: I

Answer 39

Jugular process of occiput

Question 40

Rectus capitis anterior: A

Answer 40

Flexion of head (tip chin)

Question 41

Rectus capitis anterior: N

Answer 41

Anterior primary rami spinal (C1-C2)

Question 42

Longus capitis: O

Answer 42

Anterior tubercles of TVP C3-C6

Question 43

Longus capitis: I

Answer 43

Basilar part of occipital bone

Question 44

Longus capitis: A

Answer 44

Flex head and c/s

Question 45

Longus capitis: N

Answer 45

Cervical plexus, ant. primary rami C1-C4

Question 46

Longus Coli: 3 parts. Superior oblique pt: O

Answer 46

Anterior tubercles TVP C3-C5

Question 47

Longus Coli: 3 parts. Superior oblique pt: I

Answer 47

Anterior arch of C1

Question 48

Longus Coli: 3 parts. Vertical pt: O

Answer 48

Anterior surface of bodies C5-C7, T1-T3

Question 49

Longus Coli: 3 parts. Vertical pt: I

Answer 49

Anterior surface of bodies C2-C4

Question 50

Longus Coli: 3 parts. Inferior oblique pt: O

Answer 50

Anterior surface of bodies T1-T3

Question 51

Longus Coli: 3 parts. Inferior oblique pt: I

Answer 51

Anterior tubercles of TVP C5-C6

Question 52

Longus coli: A for all

Answer 52

flex head and neck.

Question 53

Longus Coli: A unilat for oblique and vertical

Answer 53

Oblique: Ipsilat lat flex head and neck. Vertical: contralat rotation

Question 54

Longus Coli: N

Answer 54

Cervical and brachial plexus (C2-C7)

Question 55

Anterior scalene: O

Answer 55

Anterior tubercles of TVPs C3-C6

Question 56

Anterior scalene: I

Answer 56

Medial pt of first rib

Question 57

Anterior scalene: A

Answer 57

Bilat: flex neck, elevate 1st rib. Unilat: ipsilat lat flex and contralat rotate

Question 58

Anterior scalene: N

Answer 58

Ventral rami of cervical N (C4-C6)

Question 59

Middle scalene: O

Answer 59

Posterior tubercles of TVPs C2-C7

Question 60

Middle scalene: I

Answer 60

Superior pt of 1st rib

Question 61

Middle scalene: A

Answer 61

Bilat: flex neck, elevate 1st rib Unilat: ipsilateral lat. flex and contralat rotation of neck

Question 62

Middle scalene: N

Answer 62

Ventral rami of cervical N (C4-C8)

Question 63

Posterior scalene: O

Answer 63

Posterior tubercles of TVPs c4-c6

Question 64

Posterior scalene: I

Answer 64

Lateral 2nd rib

Question 65

Posterior scalene: A

Answer 65

Bilat: elevate 2nd rib, stabilize base of neck Unilat: ipsilat lat flex and contralat rotation of neck

Question 66

Posterior scalene: N

Answer 66

Ventral rami of cervical N (c6-c8)

Question 67

SCM: O

Answer 67

Sternal head: manubrium | Clavicular head: superior pt of medial ⅓ of clavicle

Question 68

SCM: I

Answer 68

Mastoid process and lateral ½ of superior nuchal line

Question 69

SCM: A

Answer 69

Bilat: Flex neck, helps with inspiration Unilat: Ipsilat lat flex, contralat rotation

Question 70

SCM: N

Answer 70

Accessory nerve ( C2-C3)

Question 71

Platysma: O

Answer 71

Fascia covering superior portions of pec major and deltoid mm

Question 72

Platysma: I

Answer 72

Lower margin of mandible, mm of jaw and mouth

Question 73

Platysma: A

Answer 73

Depress mandible, tense skin on neck

Question 74

Platysma: N

Answer 74

Facial VII