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Muscles Flashcards

1
Q

Origin of Gluteus Maximus

A

Ilium, sacrum, coccyx, sacrotuberous ligament

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2
Q

Insertion of Gluteus Maximus

A

Gluteal tuberosity, iliotibial tract

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3
Q

Nerve to Gluteus Maximus

A

Inferior gluteal

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4
Q

Action of Gluteus Maximus

A

Extends and rotates thigh laterally

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5
Q

Origin of Gluteus Medius

A

Ilium between iliac crest, and anterior and posterior gluteal lines

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6
Q

Insertion of Gluteus Medius

A

Greater trochanter

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7
Q

Nerve to Gluteus Medius

A

Superior Gluteal

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8
Q

Action of Gluteus Medius

A

Abducts and rotates thigh medially, stabilizes pelvis

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9
Q

Origin of Gluteus Minimus

A

Ilium between anterior and inferior gluteal lines

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10
Q

Insertion of Gluteus Minimus

A

Greater Trochanter

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11
Q

Nerve to Gluteus Minimus

A

Superior Gluteal

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12
Q

Action of Gluteus Minimus

A

Abducts and rotates thigh medially

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13
Q

Origin of Tensor Fasciae Latae

A

Iliac crest, anterior-superior iliac spine

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14
Q

Insertion of Tensor Fasciae Latae

A

Iliotibial tract

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15
Q

Nerve of Tensor Fasciae Latae

A

Superior Gluteal

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16
Q

Action of Tensor Fasciae Latae

A

Flexes, abducts, and rotates thigh medially

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17
Q

Origin of Piriformis

A

Pelvic surface of sacrum, sacrotuberous ligament

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18
Q

Insertion of Piriformis

A

Upper end of greater trochanter

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19
Q

Nerve to Piriformis

A

Sacral (S1-S2)

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20
Q

Action of Piriformis

A

Rotates thigh laterally

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21
Q

Origin of Obturator internus

A

Ischiopubic rami, obturator membrane

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22
Q

Insertion of Obturator internus

A

Greater trochanter

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23
Q

Nerve to Obturator internus

A

Nerve to obturator internus

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24
Q

Action of Obturator internus

A

Abducts and rotates thigh laterally

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25
Q

Origin of Superior gemellus

A

Ischial spine

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26
Q

Insertion of Superior gemellus

A

Obturator internus tendon

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27
Q

Nerve to Superior Gemellus

A

Nerve to obturator gemellus

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28
Q

Action of Superior Gemellus

A

Rotates thigh laterally

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29
Q

Origin of Inferior Gemellus

A

Ischial tuberosity

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30
Q

Insertion of Inferior Gemellus

A

Obturator internus tendon

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31
Q

Nerve to Inferior Gemellus

A

Nerve to quadratus femoris

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32
Q

Action of Inferior Gemellus

A

Rotates thigh laterally

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33
Q

Origin of Quadratus femoris

A

Ischial tuberosity

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34
Q

Insertion of Quadratus femoris

A

Intertrochanteric crest

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35
Q

Nerve to Quadratus femoris

A

Nerve to Quadratus femoris

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36
Q

Action of Quadratus femoris

A

Rotates thigh laterally

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37
Q

Origin of Semitendinosus

A

Ischial tuberosity

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38
Q

Insertion of Semitendinosus

A

Medial surface of upper part of tibia

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39
Q

Nerve to Semitendinosus

A

Tibial portion of sciatic nerve

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40
Q

Action of Semitendinosus

A

Extends thigh, flexes, and rotates leg medially

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41
Q

Origin of Semimembranosus

A

Ischial tuberosity

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42
Q

Insertion of Semimembranosus

A

Medical condyle of tibia

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43
Q

Nerve to Semimembranosus

A

Tibial portion of sciatic nerve

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44
Q

Action of Semimembranosus

A

Extends thigh, flexes, and rotates leg medially

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45
Q

Origin of Biceps femoris

A

Long head from ischial tuberosity, short head from linea aspera and upper supracondylar line

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46
Q

Insertion of Biceps femoris

A

Head of fibula

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47
Q

Nerve to Biceps femoris

A

Tibial (long head) and common fibular (short head) divisions of sciatic nerve

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48
Q

Actions of Biceps femoris

A

Extends thigh, flexes and rotates leg laterally

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49
Q

Origin of Iliacus

A

Iliac fossa, ala of sacrum

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50
Q

Insertion of Iliacus

A

Lesser trochanter

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51
Q

Nerve to Iliacus

A

Femoral

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52
Q

Action of Iliacus

A

Flexes thigh (with psoas major)

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53
Q

Origin of Sartorius

A

Anterior-superior iliac spine

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54
Q

Insertion of Sartorius

A

Upper medial side of tibia

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55
Q

Nerve to Sartorius

A

Femoral

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56
Q

Action of Sartorius

A

Flexes and rotates thigh laterally, flexes and rotates leg medially

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57
Q

Origin of Rectus Femoris

A

Anterior-inferior iliac spine, posterior-superior rim of acetabulum

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58
Q

Insertion of Rectus Femoris

A

Base of patella, tibial tuberosity

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59
Q

Nerve to Rectus Femoris

A

Femoral

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60
Q

Action of Rectus Femoris

A

Flexes thigh, extends leg

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61
Q

Origin of Vastus Medialis

A

Intertrochanteric line, linea aspera, medial intermuscular septum

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62
Q

Insertion of Vastus Medialis

A

Medial side of patella, tibial tuberosity

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63
Q

Nerve to Vastus Medialis

A

Femoral

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64
Q

Action of Vastus Medialis

A

Extends leg

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65
Q

Origin of Vastus Lateralis

A

Intertrochanteric line, greater trochanter, linea aspera, gluteal tuberosity, lateral intermuscular septum

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66
Q

Insertion of Vastus Lateralis

A

Lateral side of patella, tibial tuberosity

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67
Q

Nerve to Vastus Lateralis

A

Femoral

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68
Q

Action of Vastus Lateralis

A

Extends leg

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69
Q

Origin of Vastus Intermedius

A

Upper shaft of femur, lower lateral intermuscular septum

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70
Q

Insertion of Vastus Intermedius

A

Upper border of patella, tibial tuberosity

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71
Q

Nerve to Vastus Intermedius

A

Femoral

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72
Q

Action of Vastus Intermedius

A

Extends leg

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73
Q

Origin of Adductor Longus

A

Body of pubis below crest

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74
Q

Insertion of Adductor Longus

A

Middle third of linea aspera

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75
Q

Nerve to Adductor Longus

A

Obturator

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76
Q

Action of Adductor Longus

A

Adducts and flexes thigh

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77
Q

Origin of Adductor Brevis

A

Body and inferior pubic ramus

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78
Q

Insertion of Adductor Brevis

A

Pectineal line, upper part of linea aspera

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79
Q

Nerve to Adductor Brevis

A

Obturator

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80
Q

Action of Adductor Brevis

A

Adducts and flexes thigh

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81
Q

Origin of Adductor Magnus

A

Ischiopubic ramus, ischial tuberosity

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82
Q

Insertion of Adductor Magnus

A

Linea aspera, medial supracondylar line, adductor tubercle

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83
Q

Nerve to Adductor Magnus

A

Obturator and sciatic (tibial part)

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84
Q

Action of Adductor Magnus

A

Adducts, flexes, and extends thigh

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85
Q

Origin of Pectineus

A

Pectineal line of pubis

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86
Q

Insertion of Pectineus

A

Pectineal line of femur

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87
Q

Nerve to Pectineus

A

Obturator and Femoral

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88
Q

Action of Pectineus

A

Adducts and flexes thigh

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89
Q

Origin of Gracilis

A

Body and inferior pubic ramus

90
Q

Insertion of Gracilis

A

Medial surface of upper quarter of tibia

91
Q

Nerve to Gracilis

92
Q

Action of Gracilis

A

Adducts and flexes thigh, flexes and rotates leg medially

93
Q

Origin of Obturator Externus

A

Margin of obturator foramen and obturator membrane

94
Q

Insertion of Obturator Externus

A

Intertrochanteric fossa of femur

95
Q

Nerve to Obturator Externus

96
Q

Action of Obturator Externus

A

Rotates thigh laterally

97
Q

Origin of Tibialis Anterior

A

Lateral tibial condyle, interosseous membrane

98
Q

Insertion of Tibialis Anterior

A

First cuneiform, first metatarsal

99
Q

Nerve to Tibialis Anterior

A

Deep fibular

100
Q

Action of Tibialis Anterior

A

Dorsiflexes and inverts foot

101
Q

Origin of Extensor Hallucis Longus

A

Middle half of anterior surface of fibula, interosseous membrane

102
Q

Insertion of Extensor Hallucis Longus

A

Base of distal phalanx of big toe

103
Q

Nerve to Extensor Hallucis Longus

A

Deep fibular

104
Q

Action of Extensor Hallucis Longus

A

Extends big toe, dorsiflexes and inverts foot

105
Q

Origin of Extensor Digitorum Longus

A

Lateral tibial condyle, upper two-thirds of fibula, interosseous membrane

106
Q

Insertion of Extensor Digitorum Longus

A

Bases of middle and distal phalanges

107
Q

Nerve to Extensor Digitorum Longus

A

Deep Fibular

108
Q

Action of Extensor Digitorum Longus

A

Extends toes, dorsiflexes and everts foot

109
Q

Origin of Fibularis Tertius

A

Distal one-third of fibula, interosseous membrane

110
Q

Insertion of Fibularis Tertius

A

Base of fifth metatarsal

111
Q

Nerve to Fibularis Tertius

A

Deep Fibular

112
Q

Action of Fibularis Tertius

A

Dorsiflexes and everts foot

113
Q

Origin of Fibularis Longus

A

Lateral tibial condyle, head, and upper lateral side of fibula

114
Q

Insertion of Fibularis Longus

A

Base of first metatarsal, medial cuneiform

115
Q

Nerve to Fibularis Longus

A

Superficial fibular

116
Q

Action of Fibularis Longus

A

Everts and plantar flexes foot

117
Q

Origin of Fibularis Brevis

A

Lower lateral side of fibula, intermuscular septa

118
Q

Insertion of Fibularis Brevis

A

Base of fifth metatarsal

119
Q

Nerve to Fibularis Brevis

A

Superficial Fibular

120
Q

Action of Fibularis Brevis

A

Everts and plantar flexes foot

121
Q

Origin of Gastrocnemius

A

Lateral (lateral head) and Medial (Medial head) femoral condyles

122
Q

Insertion of Gastrocnemius

A

Posterior aspect of calcaneus via tendo calcaneus

123
Q

Nerve to Gastrocnemius

124
Q

Action of Gastrocnemius

A

Flexes knee, plantar flexes feet

125
Q

Origin of Soleus

A

Upper fibula head, soleal line of tibia

126
Q

Insertion of Soleus

A

Posterior aspect of calcaneus via tendo calcaneus

127
Q

Nerve to Soleus

128
Q

Action of Soleus

A

Plantar flexes foot

129
Q

Origin of Plantaris

A

Lower lateral supracondylar line

130
Q

Insertion of Plantaris

A

Posterior surface of calcaneus

131
Q

Nerve to Plantaris

132
Q

Action of Plantaris

A

Flexes leg, plantar flexes foot

133
Q

Origin of Popliteus

A

Lateral condyle of femur, popliteal ligament

134
Q

Insertion of Popliteus

A

Upper posterior side of tibia

135
Q

Neve to Popliteus

136
Q

Action of Popliteus

A

Flexes by unlocking knee and rotates leg medially

137
Q

Origin of Flexor Hallucis Longus

A

Lower two-thirds of fibula, interosseous membrane, intermuscular septa

138
Q

Insertion of Flexor Hallucis Longus

A

Base of distal phalanx of big toe

139
Q

Nerve to Flexor Hallucis Longus

140
Q

Action of Flexor Hallucis Longus

A

Plantar flexes foot, flexes distal phalanx of big toe

141
Q

Origin of Flexor digitorum longus

A

Middle posterior aspect of tibia

142
Q

Insertion of Flexor digitorum longus

A

Distal phalanges of lateral four toes

143
Q

Nerve to Flexor digitorum longus

144
Q

Action to Flexor digitorum longus

A

Flexes lateral four toes, plantar flexes foot

145
Q

Origin of Tibialis Posterior

A

Interosseous membrane, upper parts of tibia and fibula

146
Q

Insertion of Tibialis Posterior

A

Tuberosity of navicular, sustentacula tali, three cuneiforms, cuboid, bases of metatarsals 2-4

147
Q

Nerve to Tibialis Posterior

148
Q

Action of Tibialis Posterior

A

Plantar flexes and inverts foot

149
Q

Origin of Extensor Digitorum Brevis

A

Dorsal surface of calcaneus

150
Q

Insertion of Extensor Digitorum Brevis

A

Tendons of extensor digitorum longus

151
Q

Nerve to Extensor Digitorum Brevis

A

Deep Fibular

152
Q

Action of Extensor Digitorum Brevis

A

Extends toes

153
Q

Origin of Extensor Hallucis Brevis

A

Dorsal surface of calcaneus

154
Q

Insertion of Extensor Hallucis Brevis

A

Base of proximal phalanx of big toe

155
Q

Nerve to Extensor Hallucis Brevis

A

Deep Fibular

156
Q

Action of Extensor Hallucis Brevis

A

Extends big toe

157
Q

Origin of Pectoralis major

A

Medial half of clavicle; manubrium and body of sternum; upper six costal cartilages

158
Q

Insertion of Pectoralis Major

A

Lateral lip of intertubercular groove of humerus

159
Q

Nerve to Pectoralis Major

A

Lateral and medial pectoral

160
Q

Action of Pectoralis Major

A

Flexes, adducts, and medially rotates arm

161
Q

Origin of Pectoralis Minor

A

Third, fourth, and fifth ribs

162
Q

Insertion of Pectoralis Minor

A

Coracoid process of scapula

163
Q

Nerve to Pectoralis Major

A

Medial Pectoral

164
Q

Action of Pectoralis Major

A

Depresses scapula, elevates ribs

165
Q

Origin of Subclavius

A

Junction of first rib and costal cartilage

166
Q

Insertion of Subclavius

A

Inferior surface of clavicle

167
Q

Nerve to Subclavius

A

Nerve to Subclavius

168
Q

Action of Subclavius

A

Depresses later part of clavicle

169
Q

Origin of Serratus Anterior

A

Upper eight ribs

170
Q

Insertion of Serratus Anterior

A

Medial border of scapula

171
Q

Nerve to Serratus Anterior

A

Long thoracic

172
Q

Action of Serratus Anterior

A

Rotates scapula upward; abducts scapula with arm and elevates it above the horizontal

173
Q

Origin of Deltoid

A

Lateral third of clavicle, acromion, and spine of scapula

174
Q

Insertion of Deltoid

A

Deltoid tuberosity

175
Q

Nerve to Deltoid

176
Q

Action of Deltoid

A

Abducts, adducts, flexes, extends, and rotates arm medially and laterally

177
Q

Origin of Supraspinatus

A

Supraspinous fossa of scapula

178
Q

Insertion of Supraspinatus

A

Greater tubercle of humerus

179
Q

Nerve to Supraspinatus

A

Suprascapular

180
Q

Action of Supraspinatus

A

Abducts arm

181
Q

Origin of Infraspinatus

A

Infraspinous fossa

182
Q

Insertion of Infraspinatus

A

Greater tubercle

183
Q

Nerve to Infraspinatus

A

Suprascapular

184
Q

Action of Infraspinatus

A

Rotates arm laterally

185
Q

Origin of Subscapularis

A

Subscapular fossa

186
Q

Insertion of Subscapularis

A

Lesser tubercle

187
Q

Nerve to Subscapularis

A

Upper and lower supscapular

188
Q

Action of Subscapularis

A

Adducts and rotates arm medially

189
Q

Origin of Teres Major

A

Dorsal surface of inferior angle of scapula

190
Q

Insertion of Teres Major

A

Medial lip of intertubercular groove

191
Q

Action of Teres Major

A

Adducts and rotates arm medially

192
Q

Origin of Teres Minor

A

Upper portion of lateral border of scapula

193
Q

Insertion of Teres Minor

A

Lower facet of greater tubercle of humerus

194
Q

Nerve to Teres Minor

195
Q

Action of Teres Minor

A

Rotates arm laterally

196
Q

Nerves to Teres Major

A

Lower Subscapular

197
Q

Origin of Latissimus dorsi

A

Spines of T7-T12 thoracolumbar fascia, iliac crest, ribs 9-12

198
Q

Insertion of Latissimus dorsi

A

Floor of intertubercular groove

199
Q

Nerve to Latissimus dorsi

A

Thoracodorsal

200
Q

Action of Latissimus dorsi

A

Adducts, extends, and rotates arm medially

201
Q

Origin of Coracobrachialis

A

Coracoid process

202
Q

Insertion of Coracobrachialis

A

Middle third of medial surface of humerus

203
Q

Nerve to Coracobrachialis

A

Musculocutaneous

204
Q

Action of Coracobrachialis

A

Flexes and adducts arm

205
Q

Origin of Biceps Brachii

A

Long head - supraglenoid tubercle

Short head - coracoid process

206
Q

Insertion of biceps brachii

A

Radial tuberosity

207
Q

Nerve to biceps brachii

A

Musculocutaneous

208
Q

Action of Biceps Brachii

A

Flexes arm and forearm, suppinates forearm

209
Q

Origin of Brachialis

A

Lower anterior surfaces of humerus

210
Q

Insertion of Brachialis

A

Coronoid process of ulna and ulnar tuberosity

211
Q

Nerve to Brachialis

A

Musculocutaneous

212
Q

Action of Brachialis

A

Flexes forarm

213
Q

Origin of Triceps

A

Long head - infraglenoid tubercle
Lateral head - superior to radial groove of humerus
Medial head - inferior to radial groove

214
Q

Insertion of Triceps

A

Posterior surface of olecranon process of ulna

215
Q

Nerve to Triceps

216
Q

Action of triceps

A

Extends forearm

217
Q

Origin of Anconeus

A

Lateral epicondyle of humerus

218
Q

Insertion of Anconeus

A

Olecranon and upper posterior surface of ulna

219
Q

Nerve to Anconeus

220
Q

Action of Anconeus

A

Extends forearm

OU Human Structure (7 decks)

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