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Bio 206 > Muscles > Flashcards

Muscles Flashcards

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Biology 101 flashcards
1
Q

What is the action of Orbicularis oculi ?

A

Close eyes

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2
Q

What is the action of zygomaticus major?

A

Raise lateral corner of mouth upward(smile)

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3
Q

What is the action of Orbicularis oris!?

A

Close and protrudes the lips (kiss)

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4
Q

What is the action of buccinator?

A

Compresses cheek; pulls corner of mouth laterally

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5
Q

What is the action of masseter?

A

Raise the Mandible, prime mover of closing the jaw

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6
Q

What is the action of temporalis

A

Raise the mandible, closing the jaw

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7
Q

What is the action of platysma

A

Depresses the mandible; draws the angle of the mouth downward; tightens skin of neck

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8
Q

What is the action of sternocleidomastoid?

A

Pulls head to one side, pulls head towards chest, or raise sternum

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9
Q

What is the origin of Epicranius?

A

Occipital bone by way of Galea Aponeneurosis

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10
Q

What is the origin of Orbicularis oris

A

Frontal and maxillary bones, margin of orbit

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11
Q

What is the origin of zygomaticus major?

A

Zygomatic bone

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12
Q

What is the origin of buccinator

A

Mandible and maxillary bone

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13
Q

What is the origin masseter?

A

Zygomatic arch, maxilla

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14
Q

What is the origin of temporalis?

A

Temporal bone

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15
Q

What is the origin of platysma

A

Fascia of upper chest

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16
Q

What is the origin of sternocleidomastoid ?

A

Manubrium of the sternum and clavicle

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17
Q

What is the insertion of epicranius?

A

Skin of eyebrows and bridge of nose

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18
Q

What is the insertion of Orbicularis oculi

A

Skin around the eye; circles the orbit

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19
Q

What is the insertion of zygomaticus major

A

Skin and muscle about the angle of the mouth

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20
Q

What is the insertion of buccinator

A

Orbicularis oris and skin at the angle of the mouth

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21
Q

What is the insertion of Orbicularis oris

A

Skin surrounding the mouth,lips

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22
Q

What is the insertion of masseter

A

Mandible

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23
Q

What is the insertion of temporalis

A

Coronoid process of mandible

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24
Q

What is the insertion of platysma

A

Mandible and skin of chin and cheek

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25
Q

What is the insertion of sternocleidomastoid

A

Mastoid process of temporal bone

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26
Q

What is the action of Epicranius ?

A

Raise eyebrows ; wrinkle the skin of the forehead

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27
Q

What is the origin of obicularis oris

A

Maxilla and mandible

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28
Q

What is the action of the Pectoralis Major

A

flexes,adducts, and rotates arm medially, pulls arm across chest

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29
Q

what is the origin of the Pectoralis Major?

A

Clavicle, Sternum, costal cartilages f one to sixth rib

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30
Q

what is the insertion of pectoralis major?

A

intertubercular groove of humerus

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31
Q

what is the action of the deltoid ?

A

abducts atm; extends and lateral rotation or flexes and medialy rotates arm

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32
Q

what is the origin of the deltoid

A

deltoid tuberosity of humerus

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33
Q

what is the action of serratus anterior?

A

pulls the scapula anteriorly and upward

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34
Q

what is the orgin of serratus?

A

uppper ribs

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35
Q

what is the insertion of the serratus anterior?

A

scapula

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36
Q

what is the action of external intercostals?

A

elevates and draws ribs together -inspiration

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37
Q

what is the orgin of external intercostals?

A

inferior border of a rib, external surface

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38
Q

what is the insertion of external intercostals?

A

supirior border of a rib below, external surface

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39
Q

what is the action of the internal intercostals

A

draws ribs together; depresses thrax(ribs) - expiration

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40
Q

what is the origin of the internal intercostals?

A

superior border of a rib, internal surface

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41
Q

what is the insertion of the internal intercostals?

A

inferior border of rib above, internal surface

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42
Q

what is the action of diaphragm?

A

pulls central tendon down, increasing size of thoracic cavity, inspirtaion

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43
Q

what is the orgin of the diaphragm?

A

xiphoid process, costal cartilages of last six ribs, and lumbar vertebrae.

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44
Q

what is the insertion of the diaphragm?

A

central tendon

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45
Q

what is the action of external oblique?

A

compresses abdomen; lateral rotation

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46
Q

what is the origin of external obliques?

A

lower eight ribs

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47
Q

what is the insertion of external obliques?

A

Iliac crest; Linea Alba( aponeurosis of midline)

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48
Q

what is the the actino of internal obliques?

A

compresses abdomen; lateral rotation

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49
Q

what is the origin of internal obliques?

A

Iiliac crest

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50
Q

what is the insetion of the internal oblique?

A

Linea Alba (aponeurosis of midline); costal cartilage of the last three or four ribs

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51
Q

what is the acgtion of the transversus abdominis?

A

compress abdomen

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52
Q

what is the origin of the transversus abdominis?

A

inguinal ligament, lumbar fascia, and costal cartilage of last six ribs

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53
Q

what is the insertion of the transverse abdominis?

A

Linea Alba, and Pubic Crest

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54
Q

what is the actino of the rectus abdominis?

A

Flexes and rotates vertebral column

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55
Q

what is the origin of the rectus abdominis?

A

pubic crest and symphysis pubis

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56
Q

what is the insertion of the rectus abdominis?

A

costal cartilage of fifth to sevetn ribs and xiphoid process

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57
Q

what is the action of the trapezius?

A

rotatesw scapula; raises scapula; pulls scapula medially, or pulls scapula and shoulder down; extend head; laterally flexes head and neck

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58
Q

what is the orgin of the trapezius?

A

occipital bone, cervical and thoracic vertebra

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59
Q

what is the insetion of the trapezius?

A

clavicle, acromion and spinous process of the scapula

60
Q

what is the action of the latissimus dorsi?

A

extends, adducts adn rotates Humerus medially, retracts shoulder

61
Q

What is the origin of the latissimus dorsi?

A

saca, lmbar and lower thracic vertebrae; Iliac Crest and lower ribs

62
Q

what is the insertion of the latissimus dorsi?

A

intertubercular groove of humerus

63
Q

what is the action of the erector spinae?

A

extends vertebrae and ribs; mantians erect posture

64
Q

what is the origin of the erector spinae?

A

sacrum, Ilium, Lumbar and Thracic vertebrae, ribs

65
Q

what is the insertion of the erector spinae?

A

ribs, cerical and thoracic vertebrae

66
Q

what is the action of the biceps brachii?

A

flexes elbow; supinator

67
Q

what is the origin of the biceps brachii?

A

coracoid process and supraglenoid tubercle of scapula

68
Q

what is the insertion of biceps branchii/

A

radial tuberosity of radiys

69
Q

what is the aciton of the brachialis?

A

flexes elbow

70
Q

what is the origin of the brachialis?

A

anterior distal humerus

71
Q

what is the insertion of the brachialis?

A

coronoid process and tuberosity of ulna

72
Q

what is the action of the brachioradialis?

A

flexes elbow

73
Q

what is the origin of the brachioradialis?

A

lateral, distal humerus

74
Q

what is the insertion of the brachioradialis?

A

styloid process of radius

75
Q

what is the action of the triceps brachii?

A

extends the forearm

76
Q

what is the orgiin of the triceps brachii?

A

scapula and hmerus

77
Q

what is the insertion of the triceps brachii?

A

olecranon process of ulna

78
Q

what is the action of the flexor carpi radialis?

A

flexes wrist and abbducts the hand

79
Q

what is the origin of flexor carpi radialis?

A

humerus

80
Q

what is the insertion of the flexor carpi radialis?

A

second and third metacarpals?

81
Q

what is the action fo the flexor carpi ulnaris?

A

flexes and adducts the writst

82
Q

what is the origin of the flexor carpi ulnaris?

A

humerus and ulna

83
Q

what is the insertion of the flexor carpi ulnaris?

A

carpal and metecarpal bones

84
Q

what is the action of extensor digitorum?

A

extends wrist, hand and digits

85
Q

what is the origin of extensor digitorum?

A

lateral epicondyle of humerus

86
Q

what is the insertion of the extensor digitorum?

A

middle phalanges of digits

87
Q

what is the aciton of extensor carpi radialiss longus?

A

extends and abducts wrist

88
Q

what is the origin of the extensor carpi radialiss longus

A

humerus

89
Q

what is the insertion of the extensor carpi radialis longus

A

secondmetacrapal

90
Q

what is the action of the extesnor carpi ulnaris?

A

extends and adducts wrist

91
Q

what is the origin of externsor carpi ulnaris

A

humerus and ulna

92
Q

what is the insertion of extensor carpi ulnaris?

A

fifth metacarpal

93
Q

what is the action of the gracilis

A

adducts thigh; flexes and rotates leg inward at the kneeq

94
Q

what is the origin of the gracillis?

A

symphysis pubis

95
Q

what is the insertion of the gracillis?

A

tibia

96
Q

what is the action of the sartorius?

A

flexes legs and thigh, abducts thigh, rotates thigh laterally, and rotates leg medially

97
Q

what is the origin of sartorius?

A

Ilium

98
Q

what is the insertion of sartorius?

A

medial surface of tibial tuberosity

99
Q

what is the action of the adductor longus?

A

adduction, flextion, and medial rotation at hip

100
Q

what is the origin of adductor longus?

A

inferior ramus of pubis

101
Q

what is the insertion of adductor longus?

A

linea aspera of femur

102
Q

what is the action of the adductor magnus?

A

adduction at hip, flexion and medial rotation, extension and lateral rotation

103
Q

what is the origin of the adducor magnus?

A

inferior ramus of pubic; Ishial tuberosity

104
Q

what is the insertion of adducgor magnus?

A

linea aspera of femur and adductor tubercle (femur)

105
Q

what is the action of gluteus maximus?

A

extends and laterally rotate and abducts thigh

106
Q

what is the origin of the gluteus maximus?

A

ilium, posterior surface of Sacrum, and Coccyx

107
Q

what is the insertion of gluteus maximus?

A

gluteal tuberosity of femur

108
Q

what is the action of tensor fasciae latae?

A

abducts thigh

109
Q

what is the origin of tensor fasciae latae?

A

ilium and iliac crest

110
Q

what is the insertion of tensor fasciae latae?

A

tibia, by Iiotibial tract

111
Q

What is the action of rectus femoris?

A

extend leg at knee, flexes thigh at hip

112
Q

what is the origin of rectus femoris?

A

Ilium

113
Q

what is the insertion of rectus femoris?

A

patellar tendon to tibial tuberosity of tibia

114
Q

what is the action of vastus lateralis?

A

extends at knee

115
Q

what is the origin of vastus lateralis?

A

greater trochanter, linea aspera of femur

116
Q

what is the insertion of vastus lateralis?

A

patellar tendon of tibial tuberosity of tibia

117
Q

what is the action of vastus medialis?

A

extend leg at knee

118
Q

what is the origin of the vastus medialis?

A

linea aspera of femur

119
Q

what is the insertion of the vastus medialis?

A

patellar tendon to tibial tuberosity of tibia

120
Q

what is the action of the vastus intermedius?

A

extend at the knee

121
Q

what is the origin of the vastus intermedius?

A

anterior and lateral surfaces of femur

122
Q

what is the insertion of the vastus intermedius?

A

patellar tendon to tibial tuberosity of tibia

123
Q

what is the action of bicep femoris?

A

flex leg at knee and extend thigh

124
Q

what is the origin of bicep femoris?

A

ischial tuberosity of Ischium and linea aspera of femur

125
Q

what is the insertion of biceps femoris?

A

fibula and tibia

126
Q

What is the action of semitendinosus?

A

flexes at knee and extend thigh

127
Q

what is the origin of semitendinosus?

A

ishial tuberosity

128
Q

what is the insertion of semitendinosus?

A

tibia

129
Q

what is the action of semimembranosus?

A

flexion at knee, extensions and medial rotation at hip

130
Q

what is the origin of semimembranosus?

A

ischial tuberosity

131
Q

what is the insertion of seimembranosus?

A

posterior, medial condyle of tibai, lateral condyle of femur

132
Q

what is the action of tibialis anterior?

A

dorsiflexion and inversion of foot

133
Q

what is the origin of tibialis anterior?

A

tibia

134
Q

what is the insertion of tibialis anterior?

A

tarsal and first metarasal bones

135
Q

what is the action of extensor digitorum longus?

A

extends toes; Dorsiflexes foot

136
Q

what is the origin of the extensor digitorum longus?

A

tibia and fibula

137
Q

what is the insertion of extensor digitorum longus?

A

phalanges (2-5)

138
Q

what is the action of fbularis longus(peroneus longus)

A

plantar flexes and everts foot

139
Q

what is the action of fibularis longus (peroneus longus)

A

fibula

140
Q

what is the insertion of fibularis longus (peroneus longus)

A

first metatarsal, medial cuneiform

141
Q

what is the action of gastrocnemius?

A

plantar felxes foot (extends foot); flexes knee

142
Q

what is the origin of the gastrocnemius?

A

femur

143
Q

what is the insertion gastocnemius?

A

calcaneus

144
Q

what is the action of soleus?

A

plantar flexes foot

145
Q

what is the origin of soleus?

A

fibula and tibia

146
Q

what is the insertion of soleus?

A

calcaneus

Bio 206 (8 decks)

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