OINA's 2 - Table 5.1 - Muscles of Ant Triangle Flashcards

1
Q

Omohyoid - origin

A

Inferior belly: scapula

Superior belly: intermediate tendon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Omohyoid - insertion

A

Inferior belly: intermediate tendon

Superior belly: body of hyoid bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Omohyoid - action

A

Depresses hyoid bone and larynx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Omohyoid - nerve

A

Ansa cervicalis (APR of C1, C2, C3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Sternohyoid - origin

A

Manubrium of sternum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Sternohyoid - insertion

A

Body of hyoid bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Sternohyoid - action

A

Depresses hyoid bone and larynx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Sternohyoid - nerve

A

Ansa cervicalis (APR of C1, C2, C3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Sternothyroid - origin

A

Manubrium of sternum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Sternothyroid - insertion

A

Thryoid cartilage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Sternothyroid - action

A

Depresses larynx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Sternothyroid - nerve

A

Ansa cervicalis (APR of C1, C2, C3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Thryohyoid - origin

A

Thyroid cartilage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Thryohyoid - insertion

A

Body and greater horn of hyoid bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Thryohyoid - action

A

Depresses hyoid bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Thyrohyoid - nerve

A

Thyrohyoid branch of hypoglossal nerve (hitchhiking branches of APR of C1)

17
Q

Digastric (posterior belly) - origin

A

Temporal bone at base of skull

18
Q

Digastric (posterior belly) - insertion

A

Intermediate tendon, which passes through sling of fascia on greater horn of hyoid bone

19
Q

Digastric (posterior belly) - action

A

Raises hyoid bone

20
Q

Digastric (posterior belly) - nerve

A

Facial nerve (VII)

21
Q

Digastric (anterior belly) - origin

A

Intermediate tendon

22
Q

Digastric (anterior belly) - insertion

A

Digastric fossa of mandible

23
Q

Digastric (anterior belly) - action

A

Elevates hyoid bone

24
Q

Digastric (anterior belly) - nerve

A

Nerve to mylohyoid (cranial nerve V-3)

25
Q

Mylohyoid - origin

A

Mylohyoid line on medial aspect of mandibular body

26
Q

Mylohyoid - insertion

A

Median raphe and body of hyoid bone

27
Q

Mylohyoid - action

A

Elevates hyoid bone, base of tongue, and floor of mouth

28
Q

Mylohyoid - nerve

A

Nerve to mylohyoid (cranial nerve V-3)

29
Q

Geniohyoid - origin

A

Inferior genial tubercle of mandible

30
Q

Geniohyoid - insertion

A

Body of hyoid bone

31
Q

Geniohyoid - action

A

Elevates and protracts hyoid bone

32
Q

Geniohyoid - nerve

A

APR of C1

33
Q

Stylohyoid - origin

A

Styloid process

34
Q

Stylohyoid - insertion

A

Greater horn of hyoid bone

35
Q

Stylohyoid - action

A

Elevates hyoid bone

36
Q

Stylohyoid - nerve

A

Facial nerve (VII)