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PT1 U2 > Lower Extremity Muscles > Flashcards

Lower Extremity Muscles Flashcards

1
Q

Psoas Major (Origin)

A

Anterior surfaces and lower borders of TVP on vertebrae

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2
Q

Psoas Major (Insertion)

A

Lesser trochanter of femur via iliopsoas tendon

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3
Q

Psoas Major (Action)

A

Hip Flexion
Hip External Rotation
Spinal Lateral Flexion
Spinal Flexion

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4
Q

Psoas Major (Innervation)

A

L1 - L5

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5
Q

Psoas Major (Vascularisation)

A

Lumbar arteries

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6
Q

Gluteus Maximus (Origin)

A

Posterior gluteal line,
outer ilium,
sacrum,
coccyx

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7
Q

Gluteus Maximus (Insertion)

A

Gluteal Tuberosity,

IT Tract

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8
Q

Gluteus Maximus (Action)

A

Hip External Rotation

Hip Extension

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9
Q

Gluteus Maximus (Innervation)

A

Inferior Gluteal Nerve (L5 - S2)

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10
Q

Gluteus Maximus (Vascularization)

A

Superior Gluteal Artery,

Inferior Gluteal Artery

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11
Q

Gluteus Medius (Origin)

A

Between posterior and and anterior gluteal line

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12
Q

Gluteus Medius (Insertion)

A

Superior-posterior and lateral greater trochanter

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13
Q

Gluteus Medius (Action)

A

Hip abduction,
Flexion & Internal Rotation (anterior),
Extension & External Rotation (posterior)

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14
Q

Gluteus Medius (Innervation)

A

Superior gluteal nerve (L4 - S2)

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15
Q

Gluteus Medius (Vascularization)

A

Superior gluteal artery

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16
Q

Gluteus Minimus (Origin)

A

Between anterior and inferior gluteal line

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17
Q

Gluteus Minimus (Insertionn)

A

Anterior greater trochanter

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18
Q

Gluteus Minimus (Action)

A

Hip abduction,
Flexion & Internal Rotation (anterior),
Extension & External Rotation (posterior)

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19
Q

Gluteus Minimus (Innervation)

A

Superior gluteal nerve (L4 - S1)

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20
Q

Gluteus Minimus (Vascularization)

A

Superior gluteal artery

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21
Q

Piriformis (Origin)

A

Anterior sacrum

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22
Q

Piriformis (Insertion)

A

Superior greater trochanter

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23
Q

Piriformis (Action)

A

Hip external rotation,

hip abduction, hip extension

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24
Q

Piriformis (Innervation)

A 
Direct branches from sacral plexus (L5 - S1),
ventral ramus (S1 - S2)
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25
Q

Piriformis (Vascularization)

A

Superior gluteal artery,
inferior gluteal artery,
internal pudendal artery

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26
Q

Tensor Fascia Lata (Origin)

A

Iliac crest just posterior to ASIS

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27
Q

Tensor Fascia Lata (Insertion)

A

Proximal 1/3 of ITB

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28
Q

Tensor Fascia Lata (Action)

A

Hip abduction,
hip flexion,
hip external rotation

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29
Q

Tensor Fascia Lata (Innervation)

A

Superior gluteal nerve (L4 - S1)

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30
Q

Tensor Fascia Lata (Vascularization)

A

Superior gluteal artery,

inferior gluteal artery

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31
Q

Obturator Internus (Origin)

A

Obturator membrane (internal)

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32
Q

Obturator Internus (Insertion)

A

Medial greater trochanter

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33
Q

Obturator Internus (Action)

A

Hip external rotation,
hip abduction,
hip extension

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34
Q

Obturator Internus (Innervation)

A

Obturator internus

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35
Q

Obturator Internus (Vascularization)

A

Obturator artery

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36
Q

Obturator Externus (Origin)

A

Obturator membrane (external)

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37
Q

Obturator Externus (Insertion)

A

Medial greater trochanter

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38
Q

Obturator Externus (Action)

A

Hip adduction,

hip external rotation

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39
Q

Obturator Externus (Innervation)

A

Obturator nerve (L3 - L4)

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40
Q

Obturator Externus (Vascularization)

A

Obturator artery

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41
Q

Quadratus Femoris (Origin)

A

Ischial tuberosity

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42
Q

Quadratus Femoris (Insertion)

A

Mid-intertrochanteric crest

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43
Q

Quadratus Femoris (Action)

A

Hip external rotation,

hip adduction

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44
Q

Quadratus Femoris (Innervation)

A

Quadratus femoris nerve

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45
Q

Quadratus Femoris (Vascularization)

A

Inferior gluteal artery

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46
Q

Gemellus Superior (Origin)

A

Ischial spine

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47
Q

Gemellus Superior (Insertion)

A

Medial greater trochanter (blends with obturator internus tendon

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48
Q

Gemellus Superior (Action)

A

Hip external rotation,
hip abduction,
hipextension

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49
Q

Gemellus Superior (Innervation)

A

Obturator internus nerve

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50
Q

Gemellus Superior (Vascularization)

A

Inferior gluteal artery

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51
Q

Gemellus Inferior (Origin)

A

Ischial tuberosity

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52
Q

Gemellus Inferior (Insertion)

A

Medial greater trochanter (blends with obturator internus tendon)

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53
Q

Gemellus Inferior (Action)

A

Hip external rotation,
hip abduction,
hipextension

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54
Q

Gemellus Inferior (Innervation)

A

Quadratus femoris nerve

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55
Q

Gemellus Inferior (Vascularization)

A

Inferior gluteal artery

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56
Q

Semitendinosis (Origin)

A

Ischial tuberosity

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57
Q

Semitendinosis (Insertion)

A

Proximal medial tibia

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58
Q

Semitendinosis (Action)

A

Hip extension,
Knee flexion,
Knee internal rotation

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59
Q

Semitendinosis (Innervation)

A

Tibial portion of sciatic nerve

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60
Q

Semitendinosis (Vascularization)

A

Deep femoral artery

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61
Q

Semimembranosus (Origin)

A

Ischial tuberosity

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62
Q

Semimembranosus (Insertion)

A

Posterior medial condyle of tibia

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63
Q

Semimembranosus (Action)

A

Hip extension,
Knee flexion,
Knee internal rotation

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64
Q

Semimembranosus (Innervation)

A

Tibial portion of sciatic nerve

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65
Q

Semimembranosus (Vascularization)

A

Deep femoral artery

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66
Q

Biceps Femoris (Origin)

A

Ischial tuberosity & sacrotuberous ligament

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67
Q

Biceps Femoris (Insertion)

A

Head of fibula & lateral condyle of tibia

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68
Q

Biceps Femoris (Action)

A

LH: hip extension, knee flexion, knee internal rotation
SH: knee flexion, knee external rotation

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69
Q

Biceps Femoris (Innveration)

A

LH: tibial portion of sciatic nerve
SH: common fibular portion of sciatic nerve

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70
Q

Biceps Femoris (Vascularization)

A

Deep femoral artery

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71
Q

Iliacus (Origin)

A

Iliac fossa

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72
Q

Iliacus (Insertion)

A

Lesser trochanter

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73
Q

Iliacus (Action)

A

Hip flexion,

hip external rotation

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74
Q

Iliacus (Innervation)

A

Femoral nerve (L2 - L4)

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75
Q

Iliacus (Vascularization)

A

Branches of medial circumflex femoral artery

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76
Q

Rectus Femoris (Origin)

A

AIIS

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77
Q

Rectus Femoris (Insertion)

A

Tibial tuberosity (via patellar tendon)

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78
Q

Rectus Femoris (Action)

A

Hip flexion,

knee extension

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79
Q

Rectus Femoris (Innervation)

A

Femoral nerve

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80
Q

Rectus Femoris (Vascularization)

A

Lateral circumflex femoral artery

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81
Q

Sartorius (Origin)

A

ASIS

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82
Q

Sartorius (Insertion)

A

Medial proximal tibia

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83
Q

Sartorius (Action)

A 
Hip flexion, 
hip external rotation,
hip abduction, 
knee flexion, 
knee internal rotation
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84
Q

Sartorius (Innervation)

A

Femoral nerve

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85
Q

Sartorius (Vascularization)

A

Lateral circumflex femoral artery

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86
Q

Vastus Lateralis (Origin)

A

Lateral lip of linea aspra

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87
Q

Vastus Lateralis (Insertion)

A

Tibial tuberosity via patellar ligament

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88
Q

Vastus Lateralis (Action)

A

Knee extension

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89
Q

Vastus Lateralis (Innervation)

A

Femoral nerve

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90
Q

Vastus Lateralis (Vascularization)

A

Transverse circumflex artery,
lateral circumflex artery,
perforating arteries of deep femoral arteries

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91
Q

Vastus Medialis (Origin)

A

Medial lip of linea aspra and supracondylar line

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92
Q

Vastus Medialis (Insertion)

A

Tibial tuberosity via patellar tendon

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93
Q

Vastus Medialis (Action)

A

Knee extension

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94
Q

Vastus Medialis (Innervation)

A

Femoral nerve

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95
Q

Vastus Medialis (Vascularization)

A

Lateral circumflex femoral artery,

perforating arteries of deep femoral arteries

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96
Q

Vastus Intermedius (Origin)

A

Upper 2/3 anterior/lateral femur

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97
Q

Vastus Intermedius (Insertion)

A

Tibial tuberosity via patellar tendon

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98
Q

Vastus Intermedius (Action)

A

Knee extension

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99
Q

Vastus Intermedius (Innervation)

A

Femoral nerve

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100
Q

Vastus Intermedius (Vascularization)

A

Lateral circumflex femoral artery and descending branch

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101
Q

Pectineus (Origin)

A

Superior pubic ramus of pubis

102
Q

Pectineus (Insertion)

A

Posterior femoral shaft

103
Q

Pectineus (Action)

A

Hip adduction,

hip internal rotation

104
Q

Pectineus (Innervation)

A 
Femoral nerve (L2 - L4),
obturator nerve (L2 - L3)
105
Q

Pectineus (Vascularization)

A

Medial circumflex femoral artery

106
Q

Adductor Brevis (Origin)

A

Anterior-inferior ramus of pubis

107
Q

Adductor Brevis (Insertion)

A

Proximal 1/3 of linea aspra

108
Q

Adductor Brevis (Action)

A

Hip adduction,
hip flexion,
hip extension,
hip internal rotation

109
Q

Adductor Brevis (Innervation)

A

Obturator nerve (L2 - L3)

110
Q

Adductor Brevis (Vascularization)

A

Obturator artery,

deep femoral artery

111
Q

Adductor Longus (Origin)

A

Anterior pubis

112
Q

Adductor Longus (Insertion)

A

Middle 1/3 of linea aspra

113
Q

Adductor Longus (Action)

A

Hip adduction,
hip flexion,
hip extension,
hip internal rotation

114
Q

Adductor Longus (Innervation)

A

Obturator nerve

115
Q

Adductor Longus (Vascularization)

A

Obturator artery

deep femoral artery

116
Q

Adductor Magnus (Adductor and Hamstring Portions) (Origin)

A

Ischiopubic ramus and ischial tuberosity

117
Q

Adductor Magnus (Adductor and Hamstring Portions) (Insertion)

A

Distal linea aspera and adductor tubercle of femur

118
Q

Adductor Magnus (Adductor and Hamstring Portions) (Action)

A 
Hip adduction (adductor portion),
Hip extension (hamstring portion)
119
Q

Adductor Magnus (Adductor and Hamstring Portions) (Innervation)

A

Obturator nerve,

tibial portion of sciatic nerve

120
Q

Adductor Magnus (Adductor and Hamstring Portions) (Vascularization)

A

Obturator artery,
deep femoral artery,
medial circumflex artery

121
Q

Gracilis (Origin)

A

Anterior-inferior ramus of pubis

122
Q

Gracilis (Insertion)

A

Proximal medial tibia

123
Q

Gracilis (Action)

A

Hip adduction,
hip flexion,
knee flexion,
knee internal rotation

124
Q

Gracilis (Innervation)

A

Obturator nerve

125
Q

Gracilis (Vascularization

A

Obturator artery

126
Q

Gastrocnemius (Lateral & Medial) (Origin)

A

Medial and lateral femoral condyles, posteriorly

127
Q

Gastrocnemius (Lateral & Medial) (Insertion)

A

Calcaneal tendon

128
Q

Gastrocnemius (Lateral & Medial) (Action)

A

Talocrural plantarflexion,

knee flexion

129
Q

Gastrocnemius (Lateral & Medial) (Innervation)

A

Tibial nerve

130
Q

Gastrocnemius (Lateral & Medial) (Vascularization)

A

Sural artery,

posterior tibial artery

131
Q

Soleus (Origin)

A

Posterior tibia & head and fibula

132
Q

Soleus (Insertion)

A

Calcaneal tendon

133
Q

Soleus (Action)

A

Talocrural plantarflexion,

foot plantarflexion

134
Q

Soleus (Innervation)

A

Tibial nerve

135
Q

Soleus (Vascularization)

A

Posterior tibial artery

136
Q

Plantaris (Origin)

A

Lateral femoral condyle

137
Q

Plantaris (Insertion)

A

Calcaneal tendon

138
Q

Plantaris (Action)

A

Foot plantarflexion,

knee flexion

139
Q

Plantaris (Innervation)

A

Tibial nerve

140
Q

Plantaris (Vascularization)

A

Popliteal artery

141
Q

Tibialis Posterior (Origin)

A

Proximal posterior 2/3 tibia, fibula, and interosseous membrane

142
Q

Tibialis Posterior (Insertion)

A

Base of 2nd, 3rd, 4th metatarsals, and tarsal bones (except talus)

143
Q

Tibialis Posterior (Action)

A

Dorsalflexion of talocrural joint and inversion of subtalar joint

144
Q

Tibialis Posterior (Innervation)

A

Tibial nerve

145
Q

Tibialis Posterior (Vascularization)

A

Fibular artery; posterior tibial artery

146
Q

Flexor Hallucis Longus (Origin)

A

Posterior, distal 2/3 of fibula

147
Q

Flexor Hallucis Longus (Insertion)

A

Distal phalanx of 1st toe

148
Q

Flexor Hallucis Longus (Action)

A

Plantarflexion of talocrural joint,
Inversion of subtalar joint,
Plantarflexion of MTP and IP joint

149
Q

Flexor Hallucis Longus (Innervation)

A

Tibial nerve

150
Q

Flexor Hallucis Longus (Vascularization)

A

Fibular artery,

posterior tibial artery

151
Q

Popliteus (Origin)

A

Lateral femoral condyle, posteriorly

152
Q

Popliteus (Insertion)

A

Posterior proximal tibia

153
Q

Popliteus (Action)

A

Knee flexion,

knee internal rotation (screw-home mechanism)

154
Q

Popliteus (Innervation)

A

Tibial nerve

155
Q

Popliteus (Vascularization)

A

Popliteal artery

156
Q

Flexor Digitorum Longus (Origin)

A

Posterior middle 1/3 tibia

157
Q

Flexor Digitorum Longus (Insertion)

A

Distal phalanges of toes 2-5

158
Q

Flexor Digitorum Longus (Action)

A

Plantarflexion of talocrural joint,
inversion of subtalar joint,
plantarflexion of MTP and IP joints of digits 2-5

159
Q

Flexor Digitorum Longus (Innervation)

A

Tibial nerve

160
Q

Flexor Digitorum Longus (Vascularization)

A

Posterior tibial artery

161
Q

Tibialis Anterior (Origin)

A

Lateral tibial condyle, proximal 1/3 of tibia, and interosseous membrane

162
Q

Tibialis Anterior (Insertion)

A

Base of 1st metatarsal and cuneiform

163
Q

Tibialis Anterior (Action)

A

Dorsalflexion of talocrural joint,

inversion of subtalar joint

164
Q

Tibialis Anterior (Innervation)

A

Deep branch of fibular nerve

165
Q

Tibialis Anterior (Vascularization)

A

Anterior tibial artery

166
Q

Extensor Hallucis Longus (Origin)

A

Anterior fibula and interosseous membrane (middle aspect)

167
Q

Extensor Hallucis Longus (Insertion)

A

Base distal phalanx of 1st toe dorsally

168
Q

Extensor Hallucis Longus (Action)

A

Dorsalflexion of talocrural joint,
supination and pronation support of subtalar joint,
extension of MTP and IP joints of 1st digit

169
Q

Extensor Hallucis Longus (Innervation)

A

Deep branch of fibular nerve

170
Q

Extensor Hallucis Longus (Vascularization)

A

Anterior tibial artery

171
Q

Extensor Digitorum Longus (Origin)

A

Lateral tibial condyle,
proximal 2/3 medial fibula,
interosseous membrane

172
Q

Extensor Digitorum Longus (Insertion)

A

Middle and distal phalanges 2-5 via dorsal expansion

173
Q

Extensor Digitorum Longus (Action)

A

Dorsalflexion of talocrural joint,
eversion of subtalar joint,
extension of MTP and IP joints of digits 2 - 5

174
Q

Extensor Digitorum Longus (Innervation)

A

Deep branch of fibular nerve

175
Q

Extensor Digitorum Longus (Vascularization)

A

Anterior tibial artery

176
Q

Fibularis Longus (Origin)

A

Proximal lateral 2/3 fibula,

lateral tibial condyle

177
Q

Fibularis Longus (Insertion)

A

Medial cuneiform,

lateral base of 1st metatarsal

178
Q

Fibularis Longus (Action)

A

Plantarflexion of talocrural joint,

eversion of subtalar joint

179
Q

Fibularis Longus (Innervation)

A

Superficial branch of fibular nerve

180
Q

Fibularis Longus (Vascularization)

A

Fibular artery

181
Q

Fibularis Brevis (Origin)

A

Distal 2/3 lateral fibula

182
Q

Fibularis Brevis (Insertion)

A

Base of 5th metatarsal

183
Q

Fibularis Brevis (Action)

A

Plantarflexion of talocrural joint,

eversion of subtalar joint

184
Q

Fibularis Brevis (Innervation)

A

Superficial branch of fibular nerve

185
Q

Fibularis Brevis (Vascularization)

A

Fibular artery

186
Q

Fibularis Tertius (Origin)

A

Distal 1/3 medial fibula,

interosseous membrane

187
Q

Fibularis Tertius (Insertion)

A

Base of 5th metatarsal

188
Q

Fibularis Tertius (Action)

A

Dorsalflexion of talocrural joint,

eversion of subtalar

189
Q

Fibularis Tertius (Innervation)

A

Deep branch of fibular nerve

190
Q

Fibularis Tertius (Vascularization)

A

Anterior tibial artery

191
Q

Extensor Hallucis Brevis (Origin)

A

Calcaneus

192
Q

Extensor Hallucis Brevis (Insertion)

A

Proximal phalanx of 1st toe

193
Q

Extensor Hallucis Brevis (Action)

A

-

194
Q

Extensor Hallucis Brevis (Innvervation)

A

-

195
Q

Extensor Hallucis Brevis (Vascularization)

A

-

196
Q

Extensor Digitorum Brevis (Origin)

A

Calcaneus

197
Q

Extensor Digitorum Brevis (Insertion)

A

Middle phalanges of toes 2 - 5

198
Q

Extensor Digitorum Brevis (Action)

A

Extension of MTP and IP joints of related digits

199
Q

Extensor Digitorum Brevis (Innervation)

A

Deep branch of fibular nerve

200
Q

Extensor Digitorum Brevis (Vascularization)

A

Dorsalis pedis artery

201
Q

Abductor Hallucis (Origin)

A

Medial calcaneus,

plantar aponeurosis

202
Q

Abductor Hallucis (Insertion)

A

Base of proximal phalanx of 1st toe medially

203
Q

Abductor Hallucis (Action)

A

Flexion and abduction of hallux,

support longitudinal arch

204
Q

Abductor Hallucis (Innervation)

A

Medial plantar arch

205
Q

Abductor Hallucis (Vascularization)

A

Medial plantar artery

206
Q

Abductor Digiti Minimi (Origin)

A

Lateral calcaneus,

plantar aponeurosis

207
Q

Abductor Digiti Minimi (Insertion)

A

Base of proximal phalanx of 5th toe laterally

208
Q

Abductor Digiti Minimi (Action)

A

Abduction of 5th digit,

flexion of MTP joint

209
Q

Abductor Digiti Minimi (Innervation)

A

Lateral plantar nerve

210
Q

Abductor Digiti Minimi (Vascularization)

A

Lateral plantar artery

211
Q

Flexor Digitorum Brevis (Origin)

A

Medial and calcaneal tuberosity,

plantar aponeurosis

212
Q

Flexor Digitorum Brevis (Insertion)

A

Both sides of base of middle phalanx of toes 2 - 5

213
Q

Flexor Digitorum Brevis (Action)

A

Flexion of the MTP and OP joints of the 2nd to 5th digits

214
Q

Flexor Digitorum Brevis (Innervation)

A

Medial plantar nerve

215
Q

Flexor Digitorum Brevis (Vascularization)

A

Deep branch of medial plantar artery,

lateral plantar artery

216
Q

Quadratus Plantae (Origin)

A

Medial and lateral plantar surface of calcaneus (2 tendons)

217
Q

Quadratus Plantae (Insertion)

A

Tendon of flexor digitorum longus

218
Q

Quadratus Plantae (Action)

A

Flexion of the MTP and IP joints of the 2nd to 5th digits

219
Q

Quadratus Plantae (Innervation)

A

Medial plantar nerve

220
Q

Quadratus Plantae (Vascularization)

A

Deep branch of medial plantar artery,

lateral plantar artery

221
Q

Dorsal Interossei

A

1st: adjacent sides of first and second metatarsals
2nd: adjacent sides of second and third metatarsals
3rd: adjacent sides of third and fifth metatarsals
4th: adjacent sides of fourth and fifth metatarsals

222
Q

Dorsal Interossei

A

1st: medial side of base of proximal phalanx of second toe
2nd: lateral side of base of proximal phalanx of second toe
3rd: lateral side of base of proximal phalanx of third toe
4th: lateral side of base of proximal phalanx of fourth toe

223
Q

Lumbricals (Action)

A

Flexion of MTP joint,

extension of proximal and distal joints

224
Q

Lumbricals (Innervation)

A

2nd toe: medial plantar

3rd, 4th, & 5th toe: lateral plantar

225
Q

Lumbricals (Vascularization)

A

Plantar metatarsal arteries

226
Q

Lumbricals (Origin)

A

Tendons of FDL

227
Q

Lumbricals (Insertion)

A

Tendons of EDL, on proximal phalanges of toes 2 - 5

228
Q

Adductor Hallucis (Origin)

A

Oblique: base of metatarsals 2 - 4 and fibularis longus tendon
Transverse: 3 - 5 metatarsals head

229
Q

Adductor Hallucis (Insertion)

A

Lateral side of base of proximal phalanx of big toe

230
Q

Adductor Hallucis (Action)

A

Flexion of MTP joint,
adduction of the hallux,
supports longitudinal and transverse arches of foot

231
Q

Adductor Hallucis (Innervation)

A

Lateral plantar nerve

232
Q

Adductor Hallucis (Vascularization)

A

Deep plantar arch

233
Q

Flexor Hallucis Brevis (Origin)

A

Cuboid and 3rd cuneiform

234
Q

Flexor Hallucis Brevis (Insertion)

A

Both sides of base of proximal phalanx of big toe

235
Q

Flexor Hallucis Brevis (Action)

A

Flexion of MTP joint of 1st digit

236
Q

Flexor Hallucis Brevis (Innervation)

A

Medial plantar nerve

237
Q

Flexor Hallucis Brevis (Vascularization)

A

Deep branch of medial plantar artery

238
Q

Flexor Digiti Minimi (Origin)

A

5th metatarsal base

239
Q

Flexor Digiti Minimi (Insertion)

A

Base of proximal phalanx of 5th toe

240
Q

Flexor Digiti Minimi (Action)

A

Flexion of 5th toe,

adduction of 5th toe

241
Q

Flexor Digiti Minimi (Innervation)

A

Lateral plantar nerve

242
Q

Flexor Digiti Minimi (Vascularization)

A

-

243
Q

Dorsal Interossei (Action)

A

Flexion at MPT joint,
extension of IP joint,
abduction of named digit

244
Q

Dorsal Interossei (Innervation)

A

Lateral plantar nerve

245
Q

Dorsal Interossei (Vascularization)

A

Dorsal metatarsal arteries

246
Q

Plantar Interossei (Origin)

A

Metatarsals 3 - 5 medially

247
Q

Plantar Interossei (Insertion)

A

Medial proximal phalanges 3 - 5

248
Q

Plantar Interossei (Action)

A

Flexion of MTP joint,
extension of IP joint,
adduction towards lateral digit

249
Q

Plantar Interossei (Innervation)

A

Lateral plantar nerve

250
Q

Plantar Interossei (Vascularization)

A

Plantar metatarsal arteries

PT1 U2 (3 decks)

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