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Human Anatomy & Physiology I > Muscles Quiz > Flashcards

Muscles Quiz Flashcards

1
Q

Epicranius (origin)

A

Occipital bone

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2
Q

Epicranius (insertion)

A

Skin around eye

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3
Q

Epicranius (action)

A

Elevates eyebrow as when surprised

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4
Q

Epicranius (nerve supply)

A

Facial nerve

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5
Q

Orbicularis oculi (origin)

A

Maxillary and frontal bones

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6
Q

Orbicularis oculi (insertion)

A

Skin around eye

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7
Q

Orbicularis oculi (action)

A

Closes eye as in blinking

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8
Q

Orbicularis oculi (nerve supply)

A

Facial nerve

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9
Q

Orbicularis oris (origin)

A

Muscles near the mouth

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10
Q

Orbicularis oris (insertion)

A

Skin of central lip

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11
Q

Orbicularis oris (action)

A

Closes lips, protrudes lips as for kissing

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12
Q

Orbicularis oris (nerve supply)

A

Facial nerve

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13
Q

Buccinator (origin)

A

Alveolar processes of maxilla and mandible

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14
Q

Buccinator (insertion)

A

Orbicularis oris

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15
Q

Buccinator (action)

A

Compresses cheeks

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16
Q

Buccinator (nerve supply)

A

Facial nerve

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17
Q

Zygomaticus major and minor (origin)

A

Zygomatic bone

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18
Q

Zygomaticus major and minor (insertion)

A

Skin and muscle at corner of mouth

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19
Q

Zygomaticus major and minor (action)

A

Elevates corner of mouth as when smiling

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20
Q

Zygomaticus major and minor (nerve supply)

A

Facial nerve

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21
Q

Platysma (origin)

A

Fascia in upper chest

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22
Q

Platysma (insertion)

A

Skin and muscles below mouth

Mandible

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23
Q

Platysma (action)

A

Depresses lower lip and angle of mouth as when pouting

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24
Q

Platysma (nerve supply)

A

Facial nerve

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25
Q

Masseter (origin)

A

Zygomatic arch

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26
Q

Masseter (insertion)

A

Lateral surface of ramus of mandible

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27
Q

Masseter (action)

A

Elevates and protracts mandible

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28
Q

Masseter (nerve supply)

A

Trigeminal nerve

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29
Q

Temporalis (origin)

A

Temporal bone

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30
Q

Temporalis (insertion)

A

Coronoid process and anterior ramus of mandible

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31
Q

Temporalis (action)

A

Elevates and retracts mandible

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32
Q

Temporalis (nerve supply)

A

Trigeminal nerve

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33
Q

Sternocleidomastoid (origin)

A

Anterior surface of sternum and upper surface of clavicle

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34
Q

Sternocleidomastoid (insertion)

A

Mastoid process of temporal bone

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35
Q

Sternocleidomastoid (action)

A

Each laterally flexes neck to the same side, rotates head to the opposite side. Together they flex neck forward
Also aid in forceful inhalation.

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36
Q

Splenius capitis (origin)

A

Ligamentum nuchae and spinous processes of seventh cervical and upper thoracic vertebrae.

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37
Q

Splenius capitis (insertion)

A

Occipital bone

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38
Q

Splenius capitis (action)

A

Rotates head, laterally flexes and extends neck

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39
Q

Teres major (origin)

A

Lateral border of scapula

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40
Q

Teres major (insertion)

A

Intertubercular sulcus of humerous

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41
Q

Teres major (action)

A

Extends shoulder, adducts, and rotates arm medially

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42
Q

Teres minor (origin)

A

Lateral border of scapula

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43
Q

Teres minor (insertion)

A

Greater tubercle of humerous

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44
Q

Teres minor (action)

A

Rotates arm laterally

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45
Q

Pectoralis major (origin)

A

Clavicle, sternum, and costal cartilages of upper ribs

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46
Q

Pectoralis major (insertion)

A

Intertubercular sulcus of humerus

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47
Q

Pectoralis major (action)

A

Flexes shoulder, adducts, and rotates arm medially

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48
Q

Supraspinatus (origin)

A

Supraspinous fossa of scapula

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49
Q

Supraspinatus (insertion)

A

Greater tubercle of humerus

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50
Q

Supraspinatus (action)

A

Rotates arm medially

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51
Q

Infraspinatus (origin)

A

Infraspinous fossa of scapula

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52
Q

Infraspinatus (insertion)

A

Greater tubercle of humerus

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53
Q

Infraspinatus (action)

A

Rotates arm laterally

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54
Q

Deltoid (origin)

A

Acromion process, spine of the scapula, and the clavicle

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55
Q

Deltoid (insertion)

A

Deltoid tuberosity of humerus

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56
Q

Deltoid (action)

A

Lateral portion abducts arm
Anterior portion flexes shoulder
Posterior portion extends shoulder

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57
Q

Latissimus dorsi (origin)

A

Spines of sacral, lumbar, and lower thoracic veretbrae, illiac crest, and lower ribs

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58
Q

Latissimus dorsi (insertion)

A

Intertubercular sulcus of humerus

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59
Q

Latissimus dorsi (action)

A

Extends shoulder, adducts, and rotates arm medially, or depresses and retracts shoulder

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60
Q

Rhomboid major (origin)

A

Spinous processes of upper thoracic vertebrae

61
Q

Rhomboid major (insertion)

A

Medial border of scapula

62
Q

Rhomboid major (action)

A

Retracts, elevates and rotates scapula

63
Q

Rhomboid minor (origin)

A

Spinous processes of lower cervical vertebrae

64
Q

Rhomboid minor (insertion)

A

Medial border of scapula

65
Q

Rhomboid minor (action)

A

Retracts and elevates scapula

66
Q

Trapezius (origin)

A

Occipital bone, ligamentum nuchae, and spinous processes of seventh cervical and all thoracic vertebrae

67
Q

Trapezius (insertion)

A

Clavicle, spine, and acromion process of scapula

68
Q

Trapezius (action)

A

Rotates and retracts scapula
Superior portion elevates scapula
Inferior portion depresses scapula

69
Q

Brachialis (origin)

A

Anterior surface of humerus

70
Q

Brachialis (insertion)

A

Coronoid process of ulna

71
Q

Brachialis (action)

A

Flexes elbow

72
Q

Biceps brachii (origin)

A

Coracoid process and tubercle above glenoid cavity of scapula

73
Q

Biceps brachii (insertion)

A

Radial tuberosity of radius

74
Q

Biceps brachii (action)

A

Flexes elbow and supinates forearm and hand

75
Q

Brachioradialis (origin)

A

Distal lateral end of humerus

76
Q

Brachioradialis (insertion)

A

Lateral surface of radius above styloid process

77
Q

Brachioradialis (action)

A

Flexes elbow

78
Q

Triceps brachii (origin)

A

Tubercle below glenoid cavity and lateral and posterior surfaces of humerus

79
Q

Brachioradialis (insertion)

A

Olecranon process of ulna

80
Q

Brachioradialis (action)

A

Extends elbow

81
Q

Flexor carpi ulnaris (origin)

A

Medial epicondyle of humerus and olecranon process of ulna

82
Q

Flexor carpi ulnaris (insertion)

A

Carpals and metacarpal bones

83
Q

Flexor carpi ulnaris (action)

A

Flexes wrist and abducts hand

84
Q

Flexor carpi radialis (origin)

A

Medial epicondyle of humerus

85
Q

Flexor carpi radialis (insertion)

A

Base of second and third metacarpals

86
Q

Flexor carpi radialis (action)

A

Flexes wrist and abducts hand

87
Q

Flexor digitorum superficialis (origin)

A

Medial epicondyle of humerus, coronoid process of ulna, and radius

88
Q

Flexor digitorum superficialis (insertion)

A

Tendons of fingers

89
Q

Flexor digitorum superficialis (action)

A

Flexes wrist and joints of fingers

90
Q

Extensor digitorum (origin)

A

Lateral epicondyle of humerus

91
Q

Extensor digitorum (insertion)

A

Posterior surface of phalanges in finger 2-5

92
Q

Extensor digitorum (action)

A

Extends joints of fingers

93
Q

Gluteus medius (origin)

A

Lateral surface of ilium

94
Q

Gluteus medius (insertion)

A

Greater trochanter of femur

95
Q

Gluteus medius (action)

A

Abducts and rotates thigh medially

96
Q

Gluteus maximus (origin)

A

Sacrum, coccyx, and posterior surface of ilium

97
Q

Gluteus maximus (insertion)

A

Posterior surface of femur and fascia of thigh

98
Q

Adductor brevis (origin)

A

Pubic bone

99
Q

Adductor brevis (insertion)

A

Posterior surface of femur

100
Q

Adductor brevis (action)

A

Adducts thigh and flexes hip

101
Q

Adductor longus (origin)

A

Pubic bone near pubic synthesis

102
Q

Adductor longus (insertion)

A

Posterior surface of femur

103
Q

Adductor longus (action)

A

Adducts thigh and flexes hip

104
Q

Adductor magnus (origin)

A

Ischial tuberosity

105
Q

Adductor magnus (insertion)

A

Posterior surface of femur

106
Q

Adductor magnus (action)

A

Adducts thigh, posterior portion extends and anterior portion flexes hip

107
Q

Gracilis (action)

A

Lower edge of pubic symphysis

108
Q

Gracilis (insertion)

A

Proximal, medial surface of tibia

109
Q

Gracilis (action)

A

Adducts thigh and flexes knee

110
Q

Biceps femoris (origin)

A

Ischial tuberosity and linea aspera of femur

111
Q

Biceps femoris (insertion)

A

Head of fibula

112
Q

Biceps femoris (action)

A

Flexes knee, rotates leg laterally, and extends hip

113
Q

Semitendinosus (origin)

A

Ischial tuberosity

114
Q

Semitendinosus (insertion)

A

Proximal, medial surface of tibia

115
Q

Semitendinosus (action)

A

Flexes knee, rotates leg medially, and extends hip

116
Q

Semimembranosus (origin)

A

Ischial tuberosity

117
Q

Semimembranosus (insertion)

A

Medial condyle of tibia

118
Q

Semimembranosus (action)

A

Flexes knee, rotates leg medially, and extends hip

119
Q

Vastus medialis (origin)

A

Medial surface of femur

120
Q

Vastus medialis (insertion)

A

Patella by tendon, which continues as patellar ligament to tibial tuberosity

121
Q

Vastus medialis (action)

A

Extends knee

122
Q

Vastus lateralis (origin)

A

Greater trochanter and posterior surface of femur

123
Q

Vastus lateralis (insertion)

A

Patella by tendon, which continues as patellar ligament to tibial tuberosity

124
Q

Vastus lateralis (action)

A

Extends knee

125
Q

Rectus femoris (origin)

A

Anterior superior iliac spine and margin of acetabulum

126
Q

Rectus femoris (insertion)

A

Patella by tendon, which continues as patellar ligament to tibial tuberosity

127
Q

Rectus femoris (action)

A

Extends knee

128
Q

Sartorius (origin)

A

Anterior superior iliac spine

129
Q

Sartorius (insertion)

A

Medial surface of tibia

130
Q

Sartorius (action)

A

Flexes knee and hip, abducts and rotates thigh laterally, and rotates leg medially

131
Q

Extensor digitorum longus (origin)

A

Lateral condyle of tibia and anterior surface of fibula

132
Q

Extensor digitorum longus (insertion)

A

Dorsal surfaces of middle and distal phalanges of four lateral toes

133
Q

Extensor digitorum longus (action)

A

Dorsiflexion of foot, extends yoes

134
Q

Tibialis anterior (origin)

A

Lateral condyle and lateral surface of tibia

135
Q

Tibialis anterior (insertion)

A

Tarsal bone (medial cuneiform) and first metatarsal

136
Q

Tibialis anterior (action)

A

Dorsiflexion and inversion of foot

137
Q

Tibialis posterior (origin)

A

Lateral condyle and posterior surface of tibia and posterior surface of fibula

138
Q

Tibialis posterior (insertion)

A

Tarsal and first metatarsal

139
Q

Tibialis posterior (action)

A

Plantar flexion and inversion of foot

140
Q

Flexor digitorum longus (origin)

A

Posterior surface of tibia

141
Q

Flexor digitorum longus (insertion)

A

Distal phalanges of four lateral toes

142
Q

Flexor digitorum longus (action)

A

Plantar flexion and inversion of foot, flexes four lateral toes

143
Q

Soleus (origin)

A

Head and shaft of fibula and posterior surface of tibia

144
Q

Soleus (insertion)

A

Posterior surface of calcaneus

145
Q

Soleus (action)

A

Plantar flexion of foot

146
Q

Gastrocnemius (origin)

A

Lateral and medial condyles of femur

147
Q

Gastrocnemius (insertion)

A

Posterior surface of calcaneus

148
Q

Gastrocnemius (action)

A

Plantar flexion of foot, flexes knee

Human Anatomy & Physiology I (7 decks)

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