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Bio 230 - Anatomy > Lab Exam 3 > Flashcards

Lab Exam 3 Flashcards

1
Q

Name this muscle

Hint: deep to masseter
A

Buccinator

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2
Q

What is the origin of the buccinator muscle

A

Mandible & maxilla

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3
Q

What is the insertion of the buccinator

A

Angle of the mouth

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4
Q

What is the action of the buccinator

A

Compresses the cheek

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5
Q

Name this muscle

A

Depressor anguli oris

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6
Q

What is the origin of the depressor anguli oris

C) depressor anguli oris
A

Mandible

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7
Q

What is the insertion of the depressor anguli oris

A

Angle of the mouth

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8
Q

What is the action of depressor anguli oris

A

Depress angle of the mouth

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9
Q

Name this muscle

A

Zygomaticus major

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10
Q

What is the origin of the zygomaticus major

A

Zygomatic bone

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11
Q

What is the insertion of zygomaticus major

A

Angle of mouth

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12
Q

Name this muscle (L)

A

Risorius

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13
Q

What is the origin of risorius

A

Fascia of the masseter

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14
Q

What is the insertion of risorius

A

Angle of the mouth

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15
Q

What is the action of risorius

A

Draws angle of mouth to side

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16
Q

Name this muscle (A)

A

Masseter

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17
Q

What is the origin of the masseter (H)

A

Zygomatic arch

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18
Q

What is the insertion of the masseter

A

Ramus of mandible

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19
Q

What is the action of the masseter

A

Elevates mandible (closes jaw)

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20
Q

Name this muscle (H)

A

Temporalis

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21
Q

What is the origin of the temporalis

A

Parietal bone

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22
Q

What is the insertion of the temporalis

A

Coronoid process of mandible

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23
Q

What is the action of temporalis

A

Elevates mandible (closes jaw)

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24
Q

Name this muscle (I)

A

Occipitalis

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25
Q

What is the origin of the occipitalis (F)

A

Superior nuchal line

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26
Q

What is the insertion of the occipitalis

A

Epicranial aponeurosis

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27
Q

What is the action of occipitalis

A

Tenses scalp

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28
Q

Name this muscle (G)

A

Frontalis

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29
Q

Name the origin of the frontalis

A

Epicranial aponeuroses

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30
Q

What is the insertion of the frontalis

A

Skin of forehead

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31
Q

What is the action of the frontalis

A

Raises eyebrows

Wrinkles skin of forehead

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32
Q

Name this muscle (E & M are the same)

A

Platysma

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33
Q

What is the origin of the platysma

A

Fascia of chest

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34
Q

What is the insertion of the platysma

A

Mandible and skin of cheek

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35
Q

What is the action of platysma

A

Tenses skin of neck and depresses mandible

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36
Q

Name this muscle (F)

A

Orbicularis oculi

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37
Q

What is the origin of the orbicularis oculi (D)

A

Bony orbit

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38
Q

What is the insertion of the orbicularis oculi

A

Eyelids

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39
Q

What is the action of orbicularis oculi

A

Closes eyelids

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40
Q

Name this muscle (C)

A

Orbicularis oris

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41
Q

What is the origin of the orbicularis oris

A

Mandible/maxilla

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42
Q

What is the insertion of orbicularis oris

A

Lips

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43
Q

What is the action of orbicularis oris

A

Closes and purses lips

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44
Q

Name this muscle (N)

A

Sternocleidomastoid

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45
Q

What is the origin of the sternocleidomastoid

A

Manubrium and clavicle

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46
Q

What is the insertion of the sternocleidomastoid (G)

A

Mastoid process of temporal bone

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47
Q

What is the action of the sternocleidomastoid

A

Flexes & rotates cervical vertebral column

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48
Q

Name this muscle group

A

Erector spinae muscle group

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49
Q

Name the muscles of the erector spinae muscle group

A

A) spinalis group
B) longissimus group
C) iliocostalis group

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50
Q

What is the action(s) of the erector spinae group

A

Extends & laterally flexes vertebral column

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51
Q

Name this muscle (A)

A

Intertransversarii

52
Q

Name this muscle (B)

A

Interspinales

53
Q

What is the origin of the intertransversarii

A

Transverse process of spinae

54
Q

What is the insertion of intertransversarii

A

Transverse process of next superior vertebra

55
Q

What is the action of the intertransversarii

A

Laterally flexes vertebral column

56
Q

What is the origin of the interspinales

A

Spinous process

57
Q

What is the insertion of interspinales

A

Spinous process of next superior vertebra

58
Q

What is the action of the interspinales

A

Extends vertebral column

59
Q

Name this muscle (8)

A

Transversus abdominus

60
Q

What is the origin of the transverse abdominus

A

Thoracolumbar fascia, iliac crest & cartilages of lower ribs

61
Q

What is the insertion of transversus abdominus

A

Linea alba & pubis

62
Q

What is the action of transversus abdominus

A

Compresses the abdomen

63
Q

What is the origin of rectus abdominus

A

Public crest

64
Q

What is the insertion of rectus abdominus

A

Xiphoid process & cartilages of ribs 5-7

65
Q

What is the action of rectus abdominus

A

Compress the abdomen & flexes vertebral column

66
Q

Name this muscle

A

External oblique

67
Q

What is the origin of external oblique

A

Inferior 8 ribs

68
Q

What is the insertion of external oblique

A

Linea alba & ilac crest

69
Q

What is the action of external oblique

A

Compresses the abdomen, flexes & rotates vertebral column

70
Q

Name this muscle

A

Internal oblique

71
Q

What is the origin of internal oblique

A

Inguinal ligament, iliac crest, & thoracodorsal fascia

72
Q

What is the insertion of internal oblique

A

Linea alba & pubis

73
Q

What is the action of internal oblique

A

Compress the abdomen, flexes & rotates vertebral column

74
Q

Name this muscle

A

Internal intercostal

75
Q

What is the origin of internal intercostal

A

Superior border of ribs

76
Q

What is the insertion of internal intercostal

A

Inferior border of next superior rib

77
Q

What is the action of internal intercostal

A

Depress the ribs

78
Q

Name this muscle

A

External intercostal

79
Q

What is the origin of external intercostal

A

Inferior border of ribs

80
Q

What is the insertion of external intercostal

A

Superior border of next inferior rib

81
Q

What is the action of external intercostal

A

Elevates rib

82
Q

Name this muscle

83
Q

What is the action of the diaphragm

A

Depress ribs, expands thoracic cavity for breathing

84
Q

List the names of the muscle of pectoral girdle

A 
A) trapezius
B) rhomboid major
C) rhomboid minor
D) levator scapulae 
E) pectoralis minor
F) serratus anterior
85
Q

What is the action of the trapezius

A

Elevates, deoress, rotates & retracts scapula

86
Q

What is the action of rhomboid major

A

Adducts & rotates scapula downward

87
Q

What is the action of rhomboid minor

A

Adducts & rotates scapula downward

88
Q

What is action of levator scapulae

A

Elevates scapula

89
Q

What is the action of Pectoralis minor

A

Depresses, protracts & rotates scapula downward

90
Q

What is the action of serratus anterior

A

Protracts & rotates scapula upwards

91
Q

Name the muscles of elbow joint

A 
A) Biceps brachii long head
B) biceps brachii short head
C) brachialis 
D) triceps brachii long head 
E) triceps brachii lateral head
F) triceps brachii medial head
G) brachioradialis 
H) pronator teres
I) supinator
92
Q

Name the muscles of the wrist joint that FLEXES THE WRIST

A

A) flexor carpi radialis
B) Palmaris longus
C) flexor carpi ulnaris

93
Q

Name the muscles of the wrist joint that EXTENDS THE WRIST

A

A) extensor carpi ulnaris
B) extensor digitorum
C) extensor carpi radialis longus

94
Q

Name the muscles of the hip joint

A 
A) psoas major
B) iliacus
C) gluteus maximus
D) gluteus medius 
E) gluteus minimus
F) tensor fascia latae
G) piriformis 
H) obturator internus
I) adductor magnus
J) adductor longus 
K) pectineus
95
Q

What is the action of psoas major (B)

A

Flexes hip and lumbar spine

96
Q

What is the action of iliacus (C)

A

Flexes hip and lumbar spine

97
Q

What is the action of gluteus maximus (A)

A

Extends and laterally rotates thigh

98
Q

What is the action of gluteus medius (B)

A

Abducts & medially rotates thigh

99
Q

What is the action of gluteus minimus (C)

A

Abducts and medially rotates thigh

100
Q

What is the action of tensor fasciae latae (F)

A

Medially rotates hip and tense fasciae latae

101
Q

Piriformis action:

D) piriformis
A

Laterally rotates thigh

102
Q

Obturator internus action:

E
A

Laterally rotates thigh

103
Q

Adductor magnus action:

A

Adducts and medially rotates thigh

104
Q

Adductor longus action:

A

Adducts and medially rotates thigh

105
Q

Pectineus action:

A

Adducts and flexes thigh

106
Q

Name muscles of hip and knee joint

A 
A) gracilis 
B) sartorius 
C) rectus femoris
D) semitendinosus 
E) semimembranosus
F) biceps fempris long head
107
Q

Gracilis action:

A

Adducts thigh and flexes knee

108
Q

Sartorius action:

A

Flexes thigh and leg and laterally rotates thigh

109
Q

Rectus femoris action

A

Extends leg and flexes thigh

110
Q

Semitendinosus action

A

Flexes leg and extends thigh

111
Q

Semimembranosus action

A

Flexes leg and extends thigh

112
Q

Biceps femoris long head action

A

Flexes leg and extends thigh

113
Q

Name muscles of knee joint

A 
A) biceps femoris short head
B) vastus lateralis 
C) vastus medias
D) vastus intermedius 
E) popliteus
114
Q

List muscle of knee and ankle joint

A

A) gastrocnemius

115
Q

Gastrocnemius action

A

Flexes leg and plantar flexes foot

116
Q

List muscles of ankle joint

A 
A) tibialis anterior
B) extensor hallucis longus 
C) extensor digitorum longus
D) fibularis longus 
E) fibularis brevis 
F) soleus 
G) flexor hallucis longus
H) flexor digitorum longus
I) tibialis posterior
117
Q

Tibialis anterior action

A

Dorsiflexes foot and inverts foot

118
Q

Tibialis posterior action

A

Plantar flexes and inverts foot

119
Q

Extenskr hallucis longus action

A

Dorsifelxes foot and extends hallux

120
Q

Extensor digitorum longus action

A

Dorsiflexes foot and extends toes 2-5

121
Q

Fibularis longus action

A

Plantar flexes and everts foot

122
Q

Fibularis brevis

A

Plantar flexes and everts foot

123
Q

Soleus action

A

Plantar flexes foot

124
Q

Flexor hallux longus action

A

Flexes hallux, plantar flexes foot

125
Q

Flexor digitorum longus action

A

Flexes toes 2-5, plantar flexes foot

Bio 230 - Anatomy (7 decks)

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