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MSK > Muscles of the Lower Limb > Flashcards

Muscles of the Lower Limb Flashcards

1
Q

Whence does Iliacus originate?

A

Ilium, Sacrum

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2
Q

Where does Iliacus insert?

A

Lesser trochanter

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3
Q

What actin does Iliacus facilitate?

A

Hip Flexion

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4
Q

What innervates Iliacus?

A

Femoral Nerve

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5
Q

Whence does Psoas Major originate?

A

Lumbar Vertebrae

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6
Q

Where does Psoas Major insert?

A

Lesser Trochanter

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7
Q

What actions does Psoas Major faciliate?

A

Hip Flexion

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8
Q

What innervates Psoas major?

A

Anterior Rami (L1-L3)

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9
Q

Whence does Sartorius originate?

A

Iliac Spine

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10
Q

Where does Sartorius insert?

A

Proximal Medial Tibia

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11
Q

What actions does Sartorius facilitate?

A

Hip flexion, Abduction, Lateral rotation

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12
Q

What innervates Sartorius?

A

Femoral Nerve

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13
Q

Whence does Pectinius originate?

A

Pubis

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14
Q

Where does Pectinius insert?

A

For ease - Lesser Trochanter

For accuracy - Pectineal Line

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15
Q

What actions does Pectinius facilitate?

A

Hip flexion, Adduction, Medial Rotation

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16
Q

What innervates Pectinius?

A

Obturator Nerve

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17
Q

Whence does Adductor Brevis originate?

A

Pubis

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18
Q

Where does Adductor Brevis insert?

A

Femur (Linea Aspera)

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19
Q

What actions does Adductor Brevis facilitate?

A

Hip Flexion, Adduction, Medial Rotation

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20
Q

What innervates Adductor Brevs?

A

Obturator Nerve

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21
Q

Whence does Adductor Longus originate?

A

Pubis

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22
Q

Where does Adductor Longus insert?

A

Femur (Linea Aspera)

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23
Q

What actions does Adductor Longus facilitate?

A

Hip Flexoin, Adduction, Medial Rotation

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24
Q

What innervates Adductor Longus?

A

Obturator Nerve

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25
Q

Whence does Adductor Magnus originate?

A

Pubis, Ischium

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26
Q

Where does Adductor Magnus insert?

A

Femur (Linea Aspera)

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27
Q

What actions does Adductor Magnus facilitate?

A

Hip Flexion, Adduction, Medial Rotation

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28
Q

What innervates Adductor Magnus?

A

Obturator Nerve

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29
Q

Whence does Gracilis originate?

A

Pubis, Ischium

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30
Q

Where does Gracilis insert?

A

Proximal Medial Tibia

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31
Q

What actions does Gracilis facilitate?

A

Hip Flexion, Adduction, Medial Rotation

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32
Q

What innervates Gracilis?

A

Obturator Nerve

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33
Q

Whence does Gluteus Maximus originate?

A

Ilium, Sacrum, Coccyx

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34
Q

Where dies Gluteus Maximus insert?

A

Femur (Gluteal Tuberosity)

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35
Q

What action does Gluteus Maximus facilitate?

A

Hip Extension

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36
Q

What innervates Gluteus Maximis?

A

Gluteal Nerves

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37
Q

Whence does Gluteus Medius originate?

A

Ilium

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38
Q

Where does Gluteus Medius insert?

A

Femur (Greater Trochanter)

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39
Q

What actions does Gluteus Medius facilitate?

A

Hip Extension, Medial Rotation

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40
Q

What innervates Gluteus Medius?

A

Gluteal Nerves

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41
Q

Whence does Gluteus Minimus originate?

A

Ilium

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42
Q

Where does Gluteus Minimus insert?

A

Femur (Greater Trochanter)

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43
Q

What actions does GLuteus Minimius facilitate?

A

Hip Abduction, Medial Rotation

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44
Q

What innervates Gluteus Minimus?

A

Gluteal Nerves

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45
Q

Whence do the Obturator Muscles originate?

A

Pubis, Ischium

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46
Q

Where do the Obturator Muscles insert?

A

Femur (Greater Trochanter)

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47
Q

What action do the Obturator Miuscles facilitate?

A

Hip Lateral Rotation

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48
Q

What innervates the Obturator Muscles?

A

Obturator Internus Nerve

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49
Q

Whence do the Gemelli originate?

A

Ischium

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50
Q

Where to the Gemelli insert?

A

Femur (Greater Trochanter)

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51
Q

What actions do the Gemelli facilitate?

A

Hip Lateral Rotation

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52
Q

What innervates the Gemelli

A

Nerve to Obturator Internus (Sup.)

Nerve to Quadratus Femoris (Inf.)

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53
Q

Whence does Quadratus Femoris originate?

A

Ischium

54
Q

Where does Quadratus Femoris insert?

A

Femur

55
Q

What action does Quadratus Femoris factilitate?

A

Hip Lateral Rotation

56
Q

What innervates Quadratus Femoris?

A

‘Nerve to Quadratus Femoris’ -_-

57
Q

Whence does Rectus Femoris originate?

A

Ilium

58
Q

Where does Rectus Femoris insert?

A

Tibial Tuberosity via patella

59
Q

What action does Rectus Femoris facilitate?

A

Knee Extension

60
Q

What innervates Rectus Femoris?

A

Femoral Nerve

61
Q

Whence does Vastus Lateralis Originate?

A

Femur

62
Q

Where does Vastus Lateralis insert?

A

Tibial Tuberosity via patella

63
Q

What action does Vastus Lateralis facilitate?

A

Knee Extension

64
Q

What innervates Vastus Lateralis?

A

Femoral Nerve

65
Q

Whence does Vastus Intermedius originate?

A

Femur

66
Q

Where does Vastus Intermedius insert?

A

Tibial Tuberosity via patella

67
Q

What action does Vastus Intermedius facilitate?

A

Knee Extension

68
Q

What innervates Vastus Intermedius?

A

Femoral Nerve

69
Q

Whence does Vastus Medialis originate?

A

Femur

70
Q

Where does Vastus Medialis insert?

A

Tibial Tuberosity via patella

71
Q

What action does Vastus Medialis facilitate?

A

Knee Extension

72
Q

What innervates Vastus Medialis?

A

Femoral Nerve

73
Q

Whence does Biceps Femoris originate?

A

Ischium, Femur

74
Q

Where does Biceps Femoris insert?

A

Fibular Head, Tibia (Lateral Condyle)

75
Q

What action does Biceps Femoris facilitate?

A

Knee Flexion

76
Q

What innervates Biceps Femoris?

A

Sciatic Nerve

77
Q

Whence does Semimembranosus originate?

A

Ischium (Tuberosity)

78
Q

Where does Semimembranosus insert?

A

Tibia (Medial Condyle)

79
Q

What action does Semimembranosus facilitate?

A

Knee Flexion

80
Q

What innervates Semimembranosus?

A

Sciatic Nerve

81
Q

Whence does Semitendonosus originate?

A

Ischium (Tuberosity)

82
Q

Where does Semitendonosus insert?

A

Medial Tibia

83
Q

What action does Semitendonosus facilitate?

A

Knee Flexion

84
Q

What innervates Semitendonosus?

A

Sciatic Nerve

85
Q

Whence does Popliteus originate?

A

Femur (Lateral Condyle)

86
Q

Where does Popliteus insert?

A

Proximal Tibia

87
Q

What actions does Popliteus facilitate?

A

Knee Flexion, Medial Rotation

88
Q

What innervates Popliteus?

A

Sciatic Nerve

89
Q

Whence does Tibialis Anterior originate?

A

Tibia

90
Q

Where does Tibialis Anterior insert?

A

Tarsals, Metatarsals

91
Q

What actions does Tibialis Anterior facilitate?

A

Foot Dorsiflexion, Inversion

92
Q

What innervates Tibialis Anterior?

A

Fibular Nerves

93
Q

Whence does Tibialis Posterior originate?

A

Tibia, Fibula

94
Q

Where does Tibialis posterior insert?

A

Tarsals, Metatarsals

95
Q

What action does Tibialis Posterior facilitate?

A

Foot Inversion

96
Q

What innervates Tibialis Posterior?

A

Tibial Nerve

97
Q

Whence does Gastrocnemius originate?

A

Femoral Condyles

98
Q

Where does Gastrocnemius insert?

A

Calcaneus

99
Q

What action does Gastrocnemius facilitate?

A

Plantarflexion

100
Q

What innervates Gastrocnemius?

A

Tibial Nerve

101
Q

Whence does Soleus originate?

A

Tibia, Fibula

102
Q

Where does Soleus insert?

A

Calcaneus

103
Q

What action does Soleus facilitate?

A

Plantarflexion

104
Q

What innervates Soleus?

A

Tibial Nerve

105
Q

Whence does Plantaris originate?

A

Femur

106
Q

Where does Plantaris insert?

A

Calcaneus

107
Q

What action does Plantaris facilitate?

A

Plantarflexion

108
Q

What innervates Plantaris?

A

Tibial Nerve?

109
Q

Whence does Peroneus Longus originate?

A

Fibula

110
Q

Where does Peroneus Longus insert?

A

Tarsals, Metatarsals

111
Q

What actions does Peroneus Longus facilitate?

A

Plantarflexion, Eversion

112
Q

What innervates Peroneus Longus?

A

Superficial Fibular (Peroneal) Nerve

113
Q

Whence does Peroneus Brevis originate?

A

Fibula

114
Q

Where does Peroneus Brevis insert?

A

5th Metatarsal

115
Q

What actions does Peroneus Brevis facilitate?

A

Plantarflexion, Eversion

116
Q

What innervates Peroneus Brevis?

A

Superficial Fibular Nerve

117
Q

Whence does Flexor Digitorum Longus originate?

A

Tibia

118
Q

Where does Flexor Digitorum Longus insert?

A

Distal Phalanges 2-5

119
Q

What action does Flexor Digitorum Longus facilitate?

A

Toe Flexion

120
Q

What innervates Flexor Digitorum Longus?

A

Tibial Nerve

121
Q

Whence does Flexor Hallucis Longus originate?

A

Fibula

122
Q

Where does Flexor Hallucis Longus insert?

A

Distal Phalanx of Great Toe

123
Q

What action does Flexor Hallucis Longus facilitate?

A

Great Toe Flexion

124
Q

What innervates Flexor Hallucis Longus?

A

Tibial Nerve

125
Q

Whence does Extensor Digitorum Longus originate?

A

Tibia, Fibula

126
Q

Where does Extensor Digitorum Longus insert?

A

Distal Phalanges 2-5

127
Q

What action does Extensor Digitorum Longus facilitate?

A

Toe Extension

128
Q

What innervates Extensor Digitorum Longus?

A

Fibular Nerves

129
Q

Whence does Extensor Hallucis Longus originate?

A

Fibula

130
Q

Where does Extensor Hallucis Longus insert?

A

Distal Phalanx of Great Toe

131
Q

What action does Extensor Hallucis Longus facilitate?

A

Great Toe Extension?

132
Q

What innervates Extensor Hallucis Longus?

A

Fibular Nerves

MSK (8 decks)

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