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OIA > LE Muscles > Flashcards

LE Muscles Flashcards

1
Q

Gluteus Maximus Action

A

Extension of Thigh
Extension of Trunk when Lower Extremity is Fixed
Assists in External Rotation of Hip

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2
Q

Gluteus Maximus Origin

A

Post Ilium to Post Gluteal Line, Dorsal Surface of Sacrum and Coccyx, Sacrotuberous Ligament

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3
Q

Gluteus Maximus Insertion

A

Gluteal Tuberosity of the Femur and Iliotibial tract that inserts on lateral tibial condyle

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4
Q

Gluteus Maximus Innervation

A

Inferior Gluteal Nerve (L5, S1, S2)

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5
Q

Gluteus Medius Action

A

Abduction and Internal Rotation of Thigh

Abduction of Pelvis

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6
Q

Gluteus Medius Origin

A

External Surface of Ilium between anterior and posterior gluteal line

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7
Q

Gluteus Medius Insertion

A

Lateral Surface of Greater Trochanter of Femur

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8
Q

Gluteus Medius Innervation

A

Superior Gluteal Nerve (L4, L5-S1)

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9
Q

Gluteus Minimus Action

A

Abduction and Internal Rotation of Thigh

Abduction of Pelvis

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10
Q

Gluteus Minimus Origin

A

External Surface of Ilium between anterior and inferior gluteal lines

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11
Q

Gluteus Minimus Insertion

A

Anterior Surface of greater trochanter of femur

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12
Q

Gluteus Minimus Innervation

A

Superior Gluteal Nerve (L4, L5-S1)

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13
Q

Obturator Externus Action

A

External Rotation of Thigh

Steadies Femur

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14
Q

Obturator Externus Origin

A

Margins of Obturator Foramen and Membrane (Outside)

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15
Q

Obturator Externus Insertion

A

Trochanteric Fossa of Femur

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16
Q

Obturator Externus Innervation

A

Obturator Nerve (L3- L4)

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17
Q

Obturator Internus Action

A

External Rotation of Extended Thigh
Abduction of Flexed Thigh
Steadies Femoral Head

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18
Q

Obturator Internus Origin

A

Pelvic Surface of Obturator Foramen and Surrounding Bones

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19
Q

Obturator Internus Insertion

A

Medial Surface of Greater Trochanter; blending with gemelli insertion

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20
Q

Obturator Internus Innervation

A

Nerve to Obturator Internus and Superior Gemelli (L5-S1)

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21
Q

Piriformis Action

A

External Rotation of Extended Thigh
Abduction of Flexed Thigh
Steadies Femoral Head

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22
Q

Piriformis Origin

A

Anterior Surface of Sacrum and Sacrotuberous Ligament

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23
Q

Piriformis Insertion

A

Superior Border of Greater Trochanter of Femur

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24
Q

Gemellus Superior Action

A

External Rotation of Extended Thigh
Abduction of Flexed Thigh
Steadies Femur

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25
Q

Gemellus Superior Origin

A

Ischial Spine

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26
Q

Gemellus Superior Insertion

A

Medial Surface of Greater Trochanter

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27
Q

Gemellus Superior Innervation

A

Obturator Internus Nerve (L5- S1)

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28
Q

Gemellus Inferior Action

A

External Rotation of Extended Thigh
Abduction of Flexed Thigh
Steadies Femur

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29
Q

Gemellus Inferior Origin

A

Ischial Tuberosity

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30
Q

Gemellus Inferior Insertion

A

Medial Surface of Greater Trochanter

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31
Q

Gemellus Inferior Innervation

A

Quadratics Femoris Nerve

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32
Q

Quadratis Femoris Action

A

External Rotation of Thigh

Steadies Femoral Head

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33
Q

Quadratis Femoris Origin

A

Lateral Border of Ischial Tuberosity

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34
Q

Quadratis Femoris Insertion

A

Quadratis Tubercle on Interochanteric crest of Femur

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35
Q

Quadratus Femoris Innervation

A

Quadratis Femoris Nerve (L5- S1)

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36
Q

Rectus Femoris Action

A

Flexes Thigh

Extends Leg

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37
Q

Rectus Femoris Origin

A

Anterior Inferior Iliac Spine and the Superior Part of the Acetabulum

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38
Q

Rectus Femoris Insertion

A

To base of patella via quad tendon and by the patellar ligament to tibial tuberosity

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39
Q

Rectus Femoris Innervation

A

Femoral Nerve (L2, L3, L4)

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40
Q

Vastus Lateralis Action

A

Extends Leg at Knee Joint

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41
Q

Vastus Lateralis Origin

A

Greater Trochanter, lateral lip of linea aspera, lateral inter muscular septum

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42
Q

Vastus Lateralis Insertion

A

To Base of Patella via quad tendon and by the patellar ligament to tibial tuberosity

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43
Q

Vastus Lateralis Innervation

A

Femoral Nerve (L2, L3, L4)

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44
Q

Vastus Medialis Action

A

Extends Leg at Knee Joint

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45
Q

Vastus Medialis Origin

A

Intertrochanteric line and medial lip of linea aspera

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46
Q

Vastus Medialis Insertion

A

To base of patella via quad tendon and by the patellar ligament to tibial tuberosity

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47
Q

Vastus Medialis Innervation

A

Femoral Nerve (L2, L3, L4)

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48
Q

Vastus Intermedius Action

A

Extends Leg at Knee Joint

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49
Q

Vastus Intermedius Origin

A

Anterior and Lateral Surfaces of body of femur

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50
Q

Vastus Intermedius Insertion

A

To base of patella via quad tendon, and by the patellar ligament to tibial tuberosity

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51
Q

Vastus Intermedius Innervation

A

Femoral Nerve (L2, L3, L4)

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52
Q

Tensor Fascia Lata Action

A

Abduction, Internal Rotation and Flexion of Hip Joint

Assists with Knee Extension

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53
Q

Tensor Fascia Lata Origin

A

Anterior Superior Iliac Spine and the anterior part of the iliac crest

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54
Q

Tensor Fascia Lata Insertion

A

Iliotibial Tract (With Fibers of Gluteus Maximus)to Lateral Tibial Condyle

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55
Q

Tensor Fascia Lata Innervation

A

Superior Gluteal Nerve (L4- S1)

56
Q

Sartorius Action

A

Flexion, Abduction, External Rotation at Hip Joint

Flexes Leg at Knee Joint

57
Q

Sartorius Origin

A

Anterior Superior Iliac Spine and Superior Part of Notch Inferior to it

58
Q

Sartorius Insertion

A

Superior, medial tibia (Covers tendons of the gracious and semitendinosus)

59
Q

Sartorius Innervation

A

Femoral Nerve (L2- L3)

60
Q

Gracillis Action

A

Adduction of Thigh

Flexes Leg, Assists with Internal Rotation of Tibia at Knee

61
Q

Gracillis Origin

A

Body and Inferior Ramus of Pubis

62
Q

Gracillis Insertion

A

Superior, medial tibia

63
Q

Gracillis Innervation

A

Obturator Nerve (L2- L3) Anterior Branch

64
Q

Pectineus Action

A

Adduction, Flexion of Thigh

Assists with Internal Rotation of Thigh

65
Q

Pectineus Origin

A

Superior Ramus of Pubis

66
Q

Pectineus Insertion

A

Pectineal Line of Femur, inferior to lesser trochanter

67
Q

Pectineus Innervation

A

Femoral Nerve (L2- L3) Sometimes Obturator Nerve

68
Q

Adductor Brevis Action

A

Adduction of Thigh

Assists with Flexion of Thigh

69
Q

Adductor Brevis Origin

A

Body and inferior ramus of Pubis

70
Q

Adductor Brevis Insertion

A

Pectineal Line and Proximal Part of Linea Aspera of Femur

71
Q

Adductor Brevis Innervation

A

Obturator Nerve (Anterior Branch) (L2, L3, L4)

72
Q

Adductor Longus Action

A

Adduction of Thigh

73
Q

Adductor Longus Origin

A

Body of Pubis Inferior to Pubic Crest

74
Q

Adductor Longus Insertion

A

Middle 1/3 of Linea Aspera

75
Q

Adductor Longus Innervation

A

Obturator Nerve (Anterior Branch) (L2, L3, L4)

76
Q

Adductor Magnus Action

A

Adductor Portion- Adducts and Flexes Thigh

Hamstring Portion- Adducts and Extends Thigh

77
Q

Adductor Magnus Origin

A

Add Portion- Inferior Ramus Pubis, Ramus of Ischium

Hamstring- Ischial Tuberosity

78
Q

Adductor Magnus Insertion

A

Adductor- Gluteal Tuberosity, Linea Aspera, Medial Supracondylar Line
Hamstring- Adductor Tubercle of Femur

79
Q

Adductor Magnus Innervation

A

Adductor- Obturator Nerve (Posterior Branch) (L2, L3, L4)

Hamstring- Tibial Portion Sciatic Nerve (L4)

80
Q

Biceps Femoris (Long Head)Action

A

Flexion of Leg, External Rotation of Tibia on Femur, Extends Thigh

81
Q

Biceps Femoris (Long Head) Origin

A

Ischial Tuberosity

82
Q

Biceps Femoris (Long Head) Insertion

A

Lateral Head of Fibula

83
Q

Biceps Femoris Long Head Innervation

A

Tibial Portion of Sciatic Nerve (L5, S1, S2)

84
Q

Biceps Femoris Short Head Action

A

Flexion of Leg, External Rotation of Tibia on Femur

85
Q

Biceps Femoris Short Head Origin

A

Linea Aspera and Lateral Supracondylar Line

86
Q

Biceps Femoris Insertion

A

Lateral Head of Fibula

87
Q

Biceps Femoris Innervation

A

Lateral Head of Fibula

88
Q

Biceps Femoris Short Head Innervation

A

Common Peroneal Nerve (L5, S1, S2)

89
Q

Semitendinosus Action

A

Extends Thigh, Flexes Leg and Internal Rotation of Tibia on Femur

90
Q

Semitendinosus Origin

A

Ischial Tuberosity

91
Q

Semitendinosus Insertion

A

Medial Surface of Superior Tibia

92
Q

Semitendinosus Innervation

A

Tibial Portion of Sciatic Nerve (L5, S1, S2)

93
Q

Semimembranosus Action

A

Extends Thigh

Flexes Leg and Internal Rotation of Tibia on Femur

94
Q

Semimembranosus Origin

A

Ischial Tuberosity

95
Q

Semimembranosus Insertion

A

Posterior Part of Medial Tibial Condyle and Reflected Attachment (Oblique Popliteal Ligament)

96
Q

Semimembranosus Innervation

A

Tibial Portion of Sciatic Nerve (L5, S1-S2)

97
Q

Tibialis Anterior Action

A

Strong Dorsal Flexor of the Foot, Inversion of Foot

98
Q

Tibialis Anterior Origin

A

Lateral Condyle and Superior Half of Lateral Surface of Tibia and Interosseous Membrane

99
Q

Tibialis Anterior Insertion

A

Medial/Plantar Surface of Medial Cuneiform, base of 1st Metatarsal

100
Q

Tibialis Anterior Innervation

A

Deep Peroneal Nerve (L4- L5)

101
Q

Extensor Hallucis Longis

A

Extension of Big Toe, Dorsal Flexion of Ankle, Invertor of Foot

102
Q

Extensor Hallucis Longus Origin

A

Middle Anterior Fibula, Interosseous Membrane

103
Q

Extensor Hallucis Longus Insertion

A

Dorsal Aspect of Base of Distal Phalanx of Great Toe

104
Q

Extensor Hallucis Longus Innervation

A

Deep Peroneal Nerve (L4, L5- S1)

105
Q

Extensor Digitorum Longus Action

A

Dorsal Flexion of Ankle
Extends Lateral 4 Digits
Weak Evertor of Foot

106
Q

Extensor Digitorum Longus Origin

A

Lateral Condyle Tibia, proximately 3/4 medial surface of fibula, Interosseous membrane

107
Q

Extensor Digitorum Longus Insertion

A

Base of Middle and Distal Phalanges of Lateral 4 Toes

108
Q

Extensor Digitorum Longus Innervation

A

Deep Peroneal Nerve (L4- L5, S1)

109
Q

Fibularis (Peroneus)tertius Action

A

Dorsal Flexion of Ankle

Assists in Eversion of Foot

110
Q

Fibularis (Pereneus) Tertius Origin

A

Inferior 1/3 of Anterior Surface of Fibula and Interosseous Membrane

111
Q

Fibularis (Peroneus) Tertius Insertion

A

Dorsum of Base of 5th Metatarsal

112
Q

Fibularis (Peroneus) Tertius Innervation

A

Deep Peroneal Nerve (L4, L5- S1)

113
Q

Gastrocnemius Action

A

Plantar Flexion of Ankle
Flexes Leg at Knee Joint
Inverts Foot

114
Q

Gastrocnemius Origin

A

Lateral Head- Lateral Aspect of Lateral Condyle of Femur

Medial Head- Popliteal surface of femur, superior to medial condyle

115
Q

Gastrocnemius Insertion

A

Posterior Calcaneus Via Calcaneal Tendon

116
Q

Gastrocnemius Innervation

A

Tibial Nerve (S1- S2)

117
Q

Soleus Action

A

Plantar Flexion of Ankle

Inversion of Foot

118
Q

Soleus Origin

A

Posterior Aspect Head of Fibula
Superior 1/4 Posterior Surface of Fibula
Soleal Line and Medial Border of Tibia

119
Q

Soleus Insertion

A

Posterior Surface of Calcanus via Calcaneal Tendon

120
Q

Soleus Innervation

A

Tibial Nerve (S1- S2)

121
Q

Plantaris Action

A

Weakly Assists in Plantar Flexion of Ankle and Knee Flexion

122
Q

Plantaris Origin

A

Inferior End of Lateral Supracondylar Line of Femur and Oblique Popliteal Ligament

123
Q

Plantaris Insertion

A

Posterior Surface of Calcaneus via Calcaneal Tendon

124
Q

Tibialis Posterior Action

A

Main Invertor of Foot
Plantar Flexion of Ankle
Resist Collapse of Arch

125
Q

Tibialis Posterior Origin

A

Interosseous Membrane, Posterior Surface of Tibia Inferior to Soleal Line and posterior surface of Fibula

126
Q

Tibialis Posterior Insertion

A

Tuberosity of Navicular, All Cuneiform Bones, Substentaculum Tali, Cuboid, Base of 2nd, 3rd, and 4th Metatarsal

127
Q

Tibialis Posterior Innervation

A

Tibial nerve (L4- L5)

128
Q

Flexor Hallucis Longus Action

A

Flexes Big Toe, Plantar Flexion of Ankle, Inversion of Foot

Supports Medial Long Arch

129
Q

Flexor Hallucis Longus Origin

A

Inferior 2/3 of Posterior Surface of Fibula and Inferior Part of Interosseous Membrane

130
Q

Flexor Hallucis Longus Insertion

A

Base of Distal Phalanx of Big Toe

131
Q

Flexor Hallucis Longus Innervation

A

Tibial Nerve (S2- S3)

132
Q

Flexor Digitorum Longus Action

A

Flexes Last 4 Digits
Plantar Flexion of Ankle
Inversion of Foot
Supports Long Arch

133
Q

Flexor Digitorum Longus Origin

A

Medial Part of Posterior Surface of Tibia, inferior to Soleal line

134
Q

Flexor Digitorum Longus Insertion

A

Base of Distal Phalanges of Lateral 4 Toes

135
Q

Flexor Digitorum Longus Innervation

A

Tibial Nerve S2- S3

OIA (3 decks)

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