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LE muscle origins and insertions > LE OIANS > Flashcards

LE OIANS Flashcards

1
Q

Iliopsoas (Iliacus, psoas major, & psoas minor)

O & I

A

Origin-

  • Illiacus-
    • Iliac fossa
  • Psoas Major-Bodies &
    • Transverse processes
    • Lumbar Vert.

Insertion-

  • Femur at the lesser trochanter (Both)
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2
Q

Iliopsoas

(Iliacus, psoas major, & psoas minor)

ACTION

A

Hip flexion

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3
Q

Iliopsoas

(Iliacus, psoas major, & psoas minor)

INNERVATION

A

Iliacus/PsoasMajor portion:

Femoral nerve (L1- L4)

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4
Q

Pectineus

ORIGIN AND INSERTION

A

ORIGIN

Superior ramus of the pubis

INSERTION

Pectineal line of the femur

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5
Q

Pectineus

ACTION

A

adduction of hip joint

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6
Q

Pectineus

INNERVATION

A

Femoral & obturator nerve (L2, L3, L4)

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7
Q

Gluteus Maximus

ORIGINS AND INSERTIONS

A

Origin-

  • Posterior Illiac crest,
  • sacrum
  • coccyx

Insertion-

  • Posterior femur distal to greater trochanter
  • iliotibial band (ITB)
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8
Q

Gluteus Maximus

ACTION

A
  • Hip extension,
  • hyperextension
  • ER/lateral rotation,
  • Abduct hip
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9
Q

Gluteus Maximus

INNERVATION

A

inferior gluteal nerve (L5, S1, S2)

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10
Q

Gluteus Medius

ORIGIN AND INSERTION

A

Origin-

  • Outer surface of the Illium

Insertion-

  • Greater trochanter of the femur
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11
Q

Gluteus Medius

ACTION

A
  • Hip abduction,
  • (some flex,
  • IR/medial rotation,
  • extenstion,
  • ER/Lateral rotation)
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12
Q

Gluteus Medius

INNERVATION

A

Superior gluteal nerve (L4, L5, S1)

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13
Q

Gluteus Minimus

ORIGIN AND INSERTION

A

Origin-

  • Lateral illium

Insertion-

  • Anterior aspect of greater trochanter of the femur
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14
Q

Gluteus Minimus

ACTION

A
  • Hip abduction,
  • IR/medial rotation,
  • Flex
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15
Q

Gluteus Minimus

INNERVATION

A

Superior gluteal nerve (L4, L5, S1)

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16
Q

Lateral

Rotators of the Hip

NAME THE 6 MUSCLES INVOLVED

A

Piriformis

Obturator externus
Obturator internus

Gemellus Superior
Gemellus Inferior

Quadratus femoris

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17
Q

External or Lateral Rotators of the Hip

ORGIN AND INSERTION

A

Origin-

  • Posterior sacrum,
  • ischium,
  • pubis

Insertion-

  • Greater trochanter region
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18
Q

Obturator externus

INNERVATION

A

obturator nerve

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19
Q

Piriformis

INNERVATION

A

S1, S2

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20
Q

External or Lateral Rotators of the Hip

ACTION

A

EXTERNAL ROTATION

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21
Q

Piriformis

ORIGIN AND INSERTION

A

Origin-

  • Anterior surface of the sacrum

Insertion-

  • Superior aspect of greater trochanter
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22
Q

Piriformis

ACTION

A
  • Hip ER/lateral rotation,
  • Abduction (when hip is flexed)
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23
Q

Piriformis

INNERVATION

A

L5,S1, S2

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24
Q

Tensor Fasciae Latae (TFL)

ORIGIN AND INSERTION

A

Origin-

  • Illiac crest

Insertion-

  • Lateral condyle of the tibia (by way of the iliotibial band)
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25
Q

Tensor Fasciae Latae (TFL)

ACTION

A
  • Combined hip flexion,
  • abduction, and
  • IR/medial rotation
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26
Q

Tensor Fasciae Latae (TFL)

ORIGIN AND INSERTION

A

Origin-

  • Illiac crest

Insertion-

  • Lateral condyle of the tibia (by way of the iliotibial band)
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27
Q

Tensor Fasciae Latae (TFL)

INNERVATION

A

Superior gluteal nerve (L4, L5, S1)

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28
Q

Adductor Brevis

ORIGIN AND INSERTION

A

Origin-

  • Pubis

Insertion-

  • Proximal linea aspera of the femur
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29
Q

Adductor Brevis

ACTION

A
  • Hip adduction,
  • IR/medial rotation.
  • Assists with hip flex,
  • knee flex
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30
Q

Adductor Brevis

INNERVATION

A

Obturator nerve (L3, L4)

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31
Q

Adductor Longus

ORIGIN AND INSERTION

A

Origin-

  • Pubis

Insertion-

  • Middle 3rd of the linea aspera of the femur
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32
Q

Adductor Longus

ACTION

A

Hip adduction

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33
Q

Adductor Longus

INNERVATION

A

Obturator nerve (L2, L3, L4)

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34
Q

Adductor Magnus

ORIGIN AND INSERTION

A

Origin-

  • Ischial tuberosity and Pubis

Insertion-

  • Entire linea aspera of the femur
  • adductor tubercle
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35
Q

Adductor Magnus

ACTION

A

Hip adduction

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36
Q

Adductor Magnus

INNERVATION

A

Obturator and sciatic nerve (L3, L4)

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37
Q

Gracilis

ORIGIN AND INSERTION

A

Origin-

  • Pubis

Insertion-

  • Tibia (Proximal anterior medial surface )
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38
Q

Gracilis

ACTION

A
  • Hip adduction
  • With the knee flexed, knee IR
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39
Q

Gracilis

INNNERVATION

A

Obturator nerve (L2, L3)

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40
Q

Quadriceps Group - Rectus Femoris

ORIGIN AND INSERTION

A

Origin-

  • Illium at the anterior inferior illiac spine (AIIS)

Insertion-

  • Tibial tuberosity via the patellar tendon
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41
Q

Quadriceps Group - Rectus Femoris

ACTION

A
  • Hip flexion
  • Knee extension
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42
Q

Quadriceps Group - Rectus Femoris

INNERVATION

A

Femoral nerve (L2, L3, L4)

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43
Q

Quadriceps Group - Vastus Lateralis

ORIGIN AND INSERTION

A

Origin-

  • Femur at the linea aspera,
  • gluteal tuberosity,
  • greater trochanter

Insertion-

  • Tibial tuberosity via the patellar tendon
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44
Q

Quadriceps Group - Vastus Lateralis

ACTION

A

Knee extension

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45
Q

Quadriceps Group - Vastus Lateralis

INNERVATION

A

Femoral nerve (L2, L3, L4)

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46
Q

Quadriceps Group - Vastus Medialis

ORIGIN AND INSERTION

A

Origin-

  • Femur at the linea aspera

Insertion-

  • Tibial tuberosity via the patellar tendon
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47
Q

Quadriceps Group - Vastus Medialis

ACTION

A

Knee extension

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48
Q

Quadriceps Group - Vastus Medialis

INNERVATION

A

Femoral nerve (L2, L3, L4)

49
Q

Quadriceps Group -Vastus Intermedius

ORIGIN AND INSERTION

A

Origin-

  • Anterior femur

Insertion-

  • Tibial tuberosity via the patellar tendon
50
Q

Quadriceps Group -Vastus Intermedius

ACTION

A

Knee extension

51
Q

Quadriceps Group -Vastus Intermedius

INNERVATION

A

Femoral nerve (L2, L3, L4)

52
Q

Sartorius

ORIGIN AND INSERTION

A

Origin-

  • ASIS

Insertion-

  • Proximal medial tibia
53
Q

Sartorius

ACTION

A

Combination of

  • Hip flexion,
  • abduction
  • ER/lateral rotation
  • Knee flexion
54
Q

Sartorius

INNERVATION

A

Obturator (L2, L3)

55
Q

Hamstrings Group - Biceps Femoris

ORIGIN AND INSERTION

A

Origin-

  • Long head: Ischial tuberosity
  • Short head: Linea aspera of the femur

Insertion-

  • Fibular head
56
Q

Hamstrings Group - Biceps Femoris

ACTION

A
  • Hip extension (long head only)
  • Knee flexion
57
Q

Hamstrings Group - Biceps Femoris

INNERVATION

A

Innervation-

Long head: Sciatic nerve (S1, S2, S3)

Short head: Common peroneal nerve (L5, S1, S2)

58
Q

Hamstrings Group - Semitendinosus

ORIGIN AND INSERTION

A

Origin-

  • Ischial tuberosity

Insertion-

  • tibia -Proximal/anteromedial surface of the
59
Q

Hamstrings Group - Semitendinosus

ACTION

A
  • Hip extension
  • Knee flexion
60
Q

Hamstrings Group - Semitendinosus

ACTION

A
  • Hip extension
  • Knee flexion
61
Q

Hamstrings Group - Semitendinosus

INNERVATION

A

Sciatic nerve (L5, S1, S2)

62
Q

Hamstrings Group -Semimembranosus

ORIGIN AND INSERTION

A

Deep to semitendinosus

Origin-

  • Ischial tuberosity

Insertion-

  • Tibia-Posterior surface of the medial condyle
63
Q

Hamstrings Group -Semimembranosus

ACTION

A
  • Hip extension
  • Knee flexion
64
Q

Hamstrings Group -Semimembranosus

INNERVATION

A

sciatic nerve (L5, S1, S2)

65
Q

Popliteus

A

Origin-

femur -at Lateral condyle

Insertion-

Tibia -at Posterior surface of the medial condyle

66
Q

Popliteus

ACTION

A

Initiates knee flexion

67
Q

Popliteus

INNERVATION

A

Tibial nerve (L4, L5, S1)

68
Q

Gastrocnemius

ORIGIN AND INSERTION

A

Origin-

  • Femur- at Medial and lateral condyles

Insertion-

  • Calcaneus via the Achilles tendon
69
Q

Gastrocnemius

ACTION

A
  • Ankle plantar flexion
  • Knee flexion
70
Q

Gastrocnemius

INNERVATION

A

Tibial nerve (S1, S2)

71
Q

Soleus

ORIGIN AND INSERTION

A

Origin-

  • Tibia and Fibula - at Posterior (deep to the gastrocnemius)

Insertion-

  • Calcaneus via the Achilles (aka calcaneus tendon) tendon
72
Q

Soleus

ACTION

A

Ankle PF

73
Q

Soleus

INNERVATION

A

Tibial nerve (L5,S1, S2)

74
Q

Tibialis Posterior

ORIGIN AND INSERTION

A

Origin-

  • tibia and fibula THE Interosseous membrane

Insertion-

  • All 5 tarsals
  • bases of 2nd-4th metatarsals
75
Q

Tibialis Posterior

ACTION

A
  • Ankle inversion
  • PF
76
Q

Tibialis Posterior

INNERVATION

A
  • Ankle inversion
  • Plantar fllexion
77
Q

Flexor Hallucis Longus

ORIGIN AND INSERTION

A

Origin-

  • Fibula on Posterior side
  • interosseous membrane

Insertion-

  • Distal Phalanx of the great toe
78
Q

Flexor Hallucis Longus

ACTION

A
  • Great toe flexion
  • Ankle PF
  • inversion
79
Q

Flexor Hallucis Longus

INNERVATION

A

Tibial nerve (L5, S1, S2)

80
Q

Flexor Digitorum Longus

ORIGIN AND INSERTION

A

Origin-

  • Tibia at Posterior

Insertion-

  • Distal phalanx of 4 lesser toes
81
Q

Flexor Digitorum Longus

ACTION

A
  • Digits 2-5 flexion
  • Ankle inversion
  • PF
82
Q

Flexor Digitorum Longus

INNERVATION

A

Tibial nerve (L5, S1)

83
Q

Tibialis Anterior

ORIGIN AND INSERTION

A

Origin-

  • Tibia at Lateral condyle
  • interosseous membrane

Insertion-

  • 1st cuneiform
  • 1st metatarsal
84
Q

Tibialis Anterior

ACTION

A
  • Ankle DF
  • Foot inversion
85
Q

Tibialis Anterior

INNERVATION

A
  • Deep peroneal nerve (L4, L5, S1)
86
Q

Peroneus Longus

ORIGIN AND INSERTION

A

Origin-

  • fibula head
  • fibula Lateral proximal
  • interosseous membrane

Insertion-

  • Plantar surface of cuneiform 1
  • base of the 1st metatarsal
87
Q

Peroneus Longus

ACTION

A
  • Ankle plantar flexion
  • Foot eversion
88
Q

Peroneus Longus

INNERVATION

A

Superficial peroneal nerve (L4, L5, S1)

89
Q

Peroneus Brevis

ORIGIN AND INSERTION

A

Origin-

  • Fibula Lateral distal

Insertion-

  • Base of the 5th metatarsal
90
Q

Peroneus Brevis

ACTION

A
  • Foot eversion
  • Ankle plantarflexion
91
Q

Peroneus Brevis

INNERVATION

A

Superficial peroneal nerve (L4, L5, S1)

92
Q

Peroneus Tertius

ORIGIN INSERTION

A

Origin-

  • Fibula - Distal medial

Insertion-

  • Base of the 5th metatarsal
93
Q

Peroneus Tertius

ACTION

A
  • Ankle dorsiflexion
  • Foot eversion
94
Q

Peroneus Tertius

INNERVATION

A

Superficial peroneal nerve (L4, L5, S1)

95
Q

Extensor Hallucis Longus

ORIGIN AND INSERTION

A

Origin-

  • Fibula and interosseous membrane

Insertion-

  • Distal phalanx of the great toe
96
Q

Extensor Hallucis Longus

ACTION

A
  • Great toe extension
  • Ankle inversion
  • DF
97
Q

Extensor Hallucis Longus

INNERVATION

A

Deep peroneal nerve (L4, L5, S1)

98
Q

Extensor Digitorum Longus

ORIGIN AND INSERTION

A

Origin-

  • Tibia, interosseous membrane, and
  • fibula (anterior surface)

Insertion-

  • Distal phalanx of toes 2-5
99
Q

Extensor Digitorum Longus

ACTION

A
  • Ankle DF
  • MTP and IP extension of 2-5
100
Q

Extensor Digitorum Longus

INNERVATION

A

Deep peroneal nerve (L4, L5, S1)

101
Q

Lumbricals

ORIGIN AND INSERTION

A

Origin-

  • Tendons of the flexor digitorum longus

Insertion-

  • Phalanges 2 to 5
102
Q

Lumbricals

ACTION

A
  • MTP flexion
  • IP extension
103
Q

Lumbricals

INNERVATION

A

medial 1-

  • medial plantar nerve (L4, L5)

Lateral 3-

  • lateral plantar nerve (S1, S2)
104
Q

Flexor Digiti Minimi Brevis

ORIGIN AND INSERTION

A

Origin-

  • 5th metatarsal

Insertion-

  • Proximal phalanx of the 5th toe
105
Q

Flexor Digiti Minimi Brevis

ACTION

A

Flexes the 5th toe at the MTP joint

106
Q

Flexor Digiti Minimi Brevis

INNERVATION

A

Tibial nerve(S1, S2)

107
Q

Flexor Hallucis Brevis

ORIGIN AND INSERTION

A

Origin-

  • Plantar surface of cuboid & lateral cuneiform

Insertion-

  • Proximal phalanx of the great toe
108
Q

Flexor Hallucis Brevis

ACTION

A

Flexion of the great toe at the MTP joint

109
Q

Flexor Hallucis Brevis

INNERVATION

A

Medial plantar nerve (L4, L5, S1)

110
Q

Flexor Digitorum Brevis

ORGIN AND INSERTION

A

Origin-

  • Calcaneus and Plantar fascia

Insertion-

  • Middle phalanges of toes 2-5
111
Q

Flexor Digitorum Brevis

ACTION

A

Flexion of MTP and IP joints of digits 2-5

112
Q

Flexor Digitorum Brevis

INNERVATION

A

Medial plantar nerve (L4, L5)

113
Q

Abductor Digiti Minimi

ORIGIN AND INSERTION

A

Origin-

  • calcaneus & Plantar fascia

Insertion

  • -Proximal phalanx of the 5th toe
114
Q

Abductor Digiti Minimi

ACTION

A

Abduction and Assists in Flexion of the 5th toe at the MTP join

115
Q

Abductor Digiti Minimi

INNERVATION

A

Lateral plantar nerve (S1, S2)

116
Q

Abductor Hallucis

ORIGIN AND INSERTION

A

Origin-

  • calcaneus

Insertion-

  • Great toe
117
Q

Abductor Hallucis

ACTION

A

Abduction of the great toe at the MTP joint

118
Q

Abductor Hallucis

INNERVATION

A

medial plantar nerve (L4, L5)

119
Q
A

LE muscle origins and insertions (1 decks)

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