Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Anatomy > Back Myology > Flashcards

Back Myology Flashcards

1
Q

What kind of muscle is described by muscle on one side, tendon on the other?

A

Unipennate

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

What kind of muscle is described by muscle on either side of a tendon?

A

Bipennate

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

What kind of muscle appears to have multiple feathered muscle groups?

A

Multipennate

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

What kind of muscles are feather-like?

A

Pennate

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

What kind of muscles are spindle shaped with a thick central region and tapered ends?

A

Fusiform muscles

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

What kind of muscles appear to have two bellies?

A

Digastric muscles

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

What kind of muscle appears to be broken up by tendon?

A

Multiventral muscles

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

What kind of muscles have multiple tendons (fingers and toes)?

A

Multicaudal muscles

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

What muscles appear to have a jagged edge?

A

Serrated muscles

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

What muscles surround openings?

A

Circular or sphincteral muscles

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

What muscles appear to be square or equal-sided?

A

Quadrate muscles

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

____ skeletal muscle activates a specific movement of the body

A

Agonist

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

____ skeletal muscle opposes action of a specific movement of the body

A

Antagonist

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

____ skeletal muscles complement actions of other muscle and prevent movement of an intervening joint when that muscle passes more than one joint

A

Synergist

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

____ skeletal muscle stabilizes joints, or the proximal part of a joint while the distal portion is in motion

A

Fixator

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

How many layers of the back?

A

6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Which layers are extrinsic?

A

Layers 1, 2, and 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Which layers are intrinsic?

A

Layers 4, 5, and 6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

_____ layers are innervated by Posterior Rami

A

Intrinsic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

_____ layers are innervated by an Anterior Ramus or Cranial Nerve

A

Extrinsic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Muscles of Layer 1

A

Trapezius M.

Latissimus Dorsi M.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Origin of the Trapezius M.

A

Spinous processes of C7-T12, Ligamentum Nuchae, External Occipital Protuberance and medial 1/3 of Superior Nuchal Line of Occipital B.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Insertion point of the Trapezius M.

A

Lateral 1/3 of the Clavicle, Acromion and Scapular Spine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Action of the Trapezius Muscle

A

Rotates point of the Glenoid Cavity superiorly
Retracts scapula
Elevate and depresses scapula
Extends and flexes the neck bilaterally
Rotates face away when working unilaterally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Innervation of the Trapezius Muscle

A

Spinal Accessory Nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Origin of the Latissimus Dorsi M.

A 
Spinous processes of the T6-12
Ribs 9-12
Iliac Crest
Spinous Processes of L1-5
Median Sacral Crest
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Insertion point of the Latissimus Dorsi M.

A

Floor of the Humeral Intertubercular Groove

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Action of the Latissimus Dorsi M.

A

Extend, Adduct, and medially rotate the Humerus

Rotate the Glenoid Cavity inferiorly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Innervation of the Lattisimus Dorsi M.

A

Thoracodorsal N.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Muscles of Layer 2

A

Rhomboid Major M.
Rhomboid Minor M.
Levator Scapulae M.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Origin of the Rhomboid Major M.

A

Spinous processes of T2-5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Insertion point of the Rhomboid Major M.

A

Medial border of the scapula (inferior to the scapular spine)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Action of the Rhomboid Major M.

A

Retract and elevate scapula

Rotate the Glenoid Cavity inferiorly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Innervation of the Rhomboid Major M.

A

Dorsal Scapular N.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Origin of the Rhomboid Minor M.

A

Spinous processes of the C7-T1

Lower part of the Ligamentum Nuchae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Action of the Rhomboid Minor M.

A

Retract and elevate scapula

Rotate the Glenoid Cavity inferiorly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Innervation of the Rhomboid Minor M.

A

Dorsal Scapular N.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Origin of Levator Scapulae M.

A

Posterior tubercles of the Transverse Processes C1-4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Insertion point of Levator Scapulae M.

A

Medial border of scapula

Superior to scapular spine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Action of the Levator scapula

A

Elevate the scapula
Rotate glenoid cavity inferiorly
Extend and laterally flex the neck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Muscles of Layer 3

A

Serratus Posterior Superior M.

Serratus Posterior Inferior M.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Origin of Serratus Posterior SUPERIOR M.

A

Nuchal ligament

Spinous Processes C7-T3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Insertion point of Serratus Posterior SUPERIOR M.

A

Superior surfaces of ribs 2-4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Action of Serratus Posterior SUPERIOR M.

A

Elevate ribs with forced inspiration, propioception

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

Innervation of the Serratus Posterior SUPERIO M.

A

Intercostal Nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

Origin of the Serratus Posterior INFERIOR M.

A

Spinous processes T11-12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

Insertion point of the Serratus Posterior INFERIOR M.

A

Inferior surface of ribs 8-12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Action of the Serratus Posterior INFERIOR M.

A

Depress ribs with forced expiration, propioception

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

Innervation of the Serratus Posterior INFERIOR M.

A

Anterior Rami T9-12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

Muscles of Layer 4

A

Splenius Capitus M.

Splenius Cervicus M.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

Origin of Splenius Capitus M.

A

Lower half of Ligamentum Nuchae

Spinous Process C7-T3(4)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

Insertion point of the Splenius Capitus M.

A

Mastoid Process of Temporal B.

Lateral 1/3 Superior Nuchal Line of the Occipital B.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

Action of the Splenius Capitus M.

A

Extend the neck when working bilaterally

Laterally flex neck and rotate face toward opposite side when working unilaterally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

Innervation of Splenius Capitus M.

A

Posterior Rami C3-5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

Origin of Splenius Cervicus M.

A

Spinous processes T3-6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

Insertion point of the Splenius Cervicus M.

A

Transverse Processes C1-3(4)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

Action of the Splenius Cervicus M.

A

Extend neck when working bilaterally

Laterally flex neck and rotate face toward opposite side when working unilaterally

58
Q

Innervation of the Splenius Cervicus M.

A

Posterior Rami C5-7

59
Q

What is the group of muscles in layer 5 called?

A

Erector Spinae

60
Q

What is the action of the Erector Spinae group?

A

Maintain posture
Extend Vertebral column and head
Laterally flex the vertebral column

61
Q

Innervation of the Erector Spinae Group?

A

Posterior Rami of Spinal Nerves

62
Q

What are the 3 Erector Spinae Muscle groups?

A

Iliocostalis
Longissimus
Spinalis

63
Q

Muscles of the Iliocostalis group

A

Iliocostalis Lumborum M.
Iliocostalis Thoracis M.
Iliocostalis Cervicus M.

64
Q

Origin of the Iliocostalis Lumborum M.

A 
Posteromedial Iliac Crest
Spinous Processes T11-L5
Median Sacral Crest
Lateral Sacral Crest
Sacrotuberous Ligament
Long Posterior Sacroiliac Ligament
65
Q

Insertion point of the Iliocostalis Lumborum M.

A

Costal angles of Ribs 6-12

66
Q

Origin of the Iliocostalis Thoracis M.

A

Costal Angles of Ribs 6-12

67
Q

Insertion point of the Iliocostalis Thoracis M.

A

Costal Angles of Ribs 1-6 and Transverse Process C7

68
Q

Origin of Iliocostalis Cervicus M.

A

Costal angles of Ribs 3-6

69
Q

Insertion point of Iliocostalis Cervicus M.

A

Posterior Tubercles of Transverse Processes C4-6

70
Q

3 Muscles of the Longissimus group

A

Longissimus Thoracis M.
Longissimus Capitus M.
Longissimus Cervicus M.

71
Q

Origin of the Longissimus Thoracis M.

A

Common with Iliocostalis Lumborum M.

Transverse and Accessory processes L1-5

72
Q

Insertion point of the Longissimus Thoracis M.

A

Transverse Processes T1-L2

Ribs 3-12 between the Costal Tubercle and Costal Angle

73
Q

Origin of the Longissimus Cervicus M.

A

Transverse processes T1-5

74
Q

Insertion point of the Longissimus Cervicus M.

A

Posterior Tubercles of Transverse processes and Articular processes of C2-6

75
Q

Origin of the Longissimus Capitus M.

A

Transverse processes T1-5

Articular processes C4-7

76
Q

Insertion point of the Longissimus Capitus M.

A

Mastoid process of the temporal B.

77
Q

Action of the Longissimus Capitus M.

A

Extend neck working bilaterally

Laterally flex the neck and rotate face toward working unilaterally

78
Q

3 muscles of the Spinalis group

A

Spinalis Thoracis
Spinalis Cervicus
Spinalis Capitus

79
Q

Origin of the Spinalis Thoracis M.

A

Spinous Processes T11-L2

80
Q

Insertion of the Spinalis Thoracis M

81
Q

Origin of the Spinalis Cervicus M.

A

Spinous processes T1-6

82
Q

Insertion of the Spinalis Cervicus M.

83
Q

Muscles of Layer 6

A

Semispinalis Group
Multifidus M.
Rotatores Longus M.
Rotatoris Brevis M.

84
Q

Muscles of the Semispinalis group

A

Semispinalis Thoracis M
Semispinalis Cervicus M
Semispinalis Capitus M.

85
Q

Origin of Semispinalis Thoracis M.

A

Transverse Processes T6-12

86
Q

Insertion point of Semispinalis Thoracis M.

A

Spinous Processes C6-T4

87
Q

Action of the Semispinalis Thoracis M.

A

Extend Spine and rotate spine away

88
Q

Innervation of the Semispinalis Thoracis M.

A

Posterior Rami

89
Q

Origin of the Semispinalis Cervicus M.

A

Transverse processes T1-6

90
Q

Insertion point of Semispinalis Cervicus M.

A

Spinous Processes C2-5

91
Q

Action of Semispinalis Cervicus M.

A

Extend Spine and Rotate Spine away

92
Q

Innervation of Semispinalis Cervicus M.

A

Posterior Rami

93
Q

Origin of Semispinalis Capitus M.

A

Transverse processes C7-T6

Articular processes of C4-6

94
Q

Insertion point of Semispinalis Capitus M.

A

B/w Superior and Inferior Nuchal lines of the occipital bone

95
Q

Action of the Semispinalis Capitus M.

A

Extend head, rotate face away

96
Q

Innervation of the Semispinalis Capitus M.

A

Posterior Rami

97
Q

Which transversospinalis muscle extends 5 or more spinal segments?

A

Semispinalis

98
Q

Which transversospinalis muscle extends 3-4 spinal segments?

A

Multifidus M.

99
Q

Which transversospinalis muscle extends 2 spinal segments?

A

Rotatores Longus M.

100
Q

Which transversospinalis muscle extends to the adjacent spinal segment?

A

Rotatores Brevis

101
Q

What is the origin of the Multifidus M.?

A

Mamillary processes of the Lumbar Vertebrae

Transverse Processes of Thoracic Vertebrae and Articular Processes of C4-7

102
Q

Insertion point of Multifidus M.

A

Spinous processes 3 numeric segments superior, except the Atlas

103
Q

Action of the Multifidus M.

A

Extend spine

Rotate spine away

104
Q

Innervation of the Multifidus M.

A

Posterior Rami

105
Q

Origin of Rotatores Longus M.

A

Transverse Processes

106
Q

Insertion of Rotatores Longus M.

A

Spinous Processes 2 segments superior

107
Q

Action of Rotatores Longus M.

A

Extend spine

Rotate spine away

108
Q

Innervation of Rotatores Longus M.

A

Posterior Rami

109
Q

Origin of Rotatores Brevis M.

A

Transverse Processes

110
Q

Insertion point of Rotatores Brevis M.

A

Spinous process 1 spinal segment superior

111
Q

Action of Rotatores Brevis M.

A

Extend spine

Rotate spine away

112
Q

Innervation of Rotatores Brevis M.

A

Posterior Rami

113
Q

Origin of Interspinalis M.

A

Spinous Process

114
Q

Insertion point of Interspinalis M.

A

Adjacent Spinous Process

115
Q

Action of Interspinalis M.

A

Extends the spine

116
Q

Innervation of Interspinalis M.

A

Posterior Rami

117
Q

Origin of Intertransversarii M.

A

Transverse process

118
Q

Insertion point of Intertransversarii M.

A

Adjacent Transverse process

119
Q

Action of Intertransversarii M.

A

Laterally flex the spine

120
Q

Innervation of the Intertransversarii M.

A

Posterior portion is innervated by the Posterior Rami

Anterior portion innervates by the Anterior Rami

121
Q

Origin of Levator Costarum Longus M.

A

Transverse Processes C7-T11

122
Q

Insertion point of Levator Costarum Longus M.

A

2nd Rib inferior to origin

123
Q

Action of Levator Costarum Longus M.

A

Elevate ribs

124
Q

Innervation of Levator costarum Longus M.

A

Posterior Rami

125
Q

Origin of Levator Costarum Brevis M.

A

Transverse Processes C7-T11

126
Q

Insertion point of Levator Costarum Brevis M.

A

Adjacent rib inferior to origin

127
Q

Action of Levator Costarum Brevis M.

A

Elevate ribs

128
Q

Innervation of Levator Costarum Brevis M.

A

Posterior Rami

129
Q

Parts of the suboccipital region

A

Rectus Capitus Posterior Major M
Rectus Capitus Posterior Minor M.
Obliquus Capitus Inferior M.
Obliquus Capitus Superior M.

130
Q

Innervation of the suboccipital region

A

Suboccipital Nerve

131
Q

Which suboccipital regions originate from the Spinous Process of C2?

A

Rectus Capitus Posterior Major M.

Obliquus Capitus Inferior M.

132
Q

Insertion point of the Rectus Capitus Posterior Major M.

A

Lateral portion Inferior Nuchal Line

133
Q

Action of the Rectus Capitus Posterior Major M.

A

Extend head

Rotate face toward

134
Q

Origin of the Rectus Capitus Posterior Minor M.

A

Posterior Tubercle C1

135
Q

Insertion point of Rectus Capitus Posterior Minor M.

A

Below Inferior Nuchal Line

136
Q

Action of the Rectus Capitus Posterior Minor

A

Extend Head

137
Q

Insertion point of the Obliquus Capitus Inferior M.

A

Transverse Process C1

138
Q

Action of the Obliquus Capitus Inferior M.

A

Rotate face toward

139
Q

Origin of the Obliquus Capitus Superior M.

A

Spinous Process C2

140
Q

Insertion point of the Obliquus Capitus Superior M.

A

Between Superior and Inferior Nuchal Lines

141
Q

Action of the Obliquus Capitus Superior M.

A

Extend and Laterally flex head

142
Q

What 3 suboccipital muscles make up the suboccipital triange?

A

Rectus Capitus Posterior Major M.
Obliquus Capitus Inferior M.
Obliquus Capitus Superior M.

Anatomy (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions