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List of Muscles > Lower Extremity > Flashcards

Lower Extremity Flashcards

1
Q

Abductor Digiti Minimi (Foot)

A

Origin: Medial and lateral tubercles of tuberosity of calcaneus, Flexor retinaculum, and Plantar aponeurosis
Insertion: Lateral side of base of proximal phalanx of 5th digit
Peripheral Nerve: Lateral plantar nerve
Nerve Root:
Function: Abducts and flexes 5th digit

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2
Q

Abductor Hallicus

A

Origin: Medial tubercle of tuberosity of calcaneus, Flexor retinaculum, and Plantar aponeurosis
Insertion: Medial side of base of proximal phalanx of 1st digit
Peripheral Nerve: Medial plantar nerve
Nerve Root:
Function: Abducts and flexes 1st digit

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3
Q

Abductor Brevis

A

Origin: Body and inferior pubic ramus
Insertion: Pectineal line and proximal part of linea aspera of femur
Peripheral Nerve: Obturator Nerve
Nerve Root:
Function: Adducts thigh at hip, Weak hip flexor

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4
Q

Adductor Hallucis

A

Origin: Oblique head- Bases of 2nd through 4th metatarsals
Transverse head- Ligaments of metatarsophalangeal joints of digits 3-5
Insertion: Tendons of both heads lateral to side of base of proximal phalanx of 1st digit
Peripheral Nerve: Deep branch of lateral plantar nerve
Nerve Root:
Function: Adducts 1st digit, Maintains transverse arch of foot

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5
Q

Adductor Longus (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
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6
Q

Adductor Magnus (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
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7
Q

Articularis Genus

A 
Origin: Distal femur on anterior surface
Insertion: Suprapatellar bursa
Peripheral Nerve: Femoral nerve
Nerve Root: 
Function: Pulls suprapatellar bursa superiorly with extension of the knee
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8
Q

Biceps Femoris (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
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9
Q

Dorsal Interossei (four muscles) (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
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10
Q

Extensor Digitorum Brevis and Extensor Hallucis Brevis

A

Origin: Superolateral surface of calcaneus, Lateral talocalcaneal ligament, Cruciate crural ligament
Insertion: First tendon into dorsal surface of base of proximal phalanx of great toe; Other 3 tendons into lateral sides of tendons of extensor digitorum longus to digits 2-4
Peripheral Nerve: Deep fibular nerve
Nerve Root:
Function: Aids in extensor digitorum longus in extending of 4 medial digits at the matatarsophalangeal and interphalangeal joints

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11
Q

Extensor Digitorum Longus (Foot) (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
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12
Q

Extensor Hallucis Longus (Foot) (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
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13
Q

Fibularis Peroneus Brevis (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
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14
Q

Fibularis Peroneus Tertius

A

Origin: Distal third of anterior surface of fibula and Interosseus membrane
Insertion: Dorsum of base of 5th metatarsal
Peripheral Nerve: Deep fibular nerve
Nerve Root:
Function: Dorsiflexes foot at ankle and aids in eversion of foot

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15
Q

Flexor Digiti Minimi Brevis (Foot) (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
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16
Q

Flexor Digitorum Brevis (Foot) (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
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17
Q

Flexor Digitorum Longus (Foot) (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
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18
Q

Flexor Hallucis Brevis (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
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19
Q

Flexor Hallucis Longus (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
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20
Q

Gastrocnemius (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
21
Q

Gluteus Maximus (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
22
Q

Gluteus Medius (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
23
Q

Gluteus Minimus (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
24
Q

Gracilis (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
25
Q

Iliacus (Iliopsoas) (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
26
Q

Inferior Gamellus

A

Origin: Ischial tuberosity
Insertion: Medial surface of greater trochanter of femur
Peripheral Nerve: Nerve to quadratus femoris
Nerve Root:
Function: Laterally rotates extended thigh at the hip

27
Q

Lumbricals (Foot) (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
28
Q

Obturator Externus (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
29
Q

Obturator Internus (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
30
Q

Pectineus (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
31
Q

Piriformis (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
32
Q

Plantar Interossei (three muscles) (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
33
Q

Plantaris

A

Origin: Inferior end of lateral supracondylar line of femur and oblique popliteal ligament
Insertion: Posterior aspect of calcaneus via calcaneal tendon
Peripheral Nerve: Tibial nerve
Nerve Root:
Function: Weakly assists gastrocnemius

34
Q

Popliteus (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
35
Q

Psoas Major (Iliopsoas) (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
36
Q

Quadratus Femoris (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
37
Q

Quadratus Plantae

A

Origin: Medial and lateral sides of plantar surface of calcaneus
Insertion: Posterolateral edge of flexor digitorum longus tendon
Peripheral Nerve: Lateral plantar nerve
Nerve Root:
Function: Corrects for oblique pull of flexor digitorum longus tendon, Thus assists in flexion of toes

38
Q

Rectus Femoris (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
39
Q

Sartorius (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
40
Q

Semimembranosus (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
41
Q

Semitendinosus (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
42
Q

Soleus (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
43
Q

Superior Gemellus

A

Origin: Outer surface of ischial spine
Insertion: Medial surface of greater trochanter of femur
Peripheral Nerve: Nerve to obturator internus
Nerve Root:
Function: Laterally rotates extended thigh at the hip

44
Q

Tensor Fasciae Latae (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
45
Q

Tibialis Anterior (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
46
Q

Tibialis Posterior (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
47
Q

Vastus Intermedius (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
48
Q

Vastus Lateralis (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:
49
Q

Vastus Medialis (somewhere else)

A 
Origin: 
Insertion: 
Peripheral Nerve: 
Nerve Root: 
Function:

List of Muscles (12 decks)

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