Lower Extremity Muscles Flashcards

1
Q

Iliopsoas

A

PA: T12-L5 vertebrae
DA: Lesser trochanter
A: Hip flexor
I: Femoral & Anterior rami

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2
Q

Pectineus

A

PA: Superior pubic ramus
DA: Pectineal lines
A: Hip flexor, ADductor
I: Femoral N.

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3
Q

Sartorius

A

PA: ASIS
DA: Proximomedial tibia
A: Hip flexor, ABductor, lateral rotation, knee flexion, knee medial rotation
I: Femoral N.

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4
Q

Rectus femoris

A

PA: AIIS
DA: Tibial tuberosity
A: Hip flexion, Knee extension
I: Femoral N.

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5
Q

Vastus lateralis

A

PA: Linea aspera
DA: Tibial tuberosity
A: Knee extension
I: Femoral N.

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6
Q

Vastus medialis

A

PA: Linea aspera
DA: Tibial tuberosity
A: Knee extension
I: Femoral N.

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7
Q

Vastus intermedius

A

PA: Anterolateral femur
DA: Tibial tuberosity
A: Knee extension
I: Femoral N.

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8
Q

Adductor longus

A

PA: Body of pubis
DA: Linea aspera
A: Hip ADduction
I: Obturator N.

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9
Q

Gracilis

A

PA: Inferior pubic ramus
DA: Anteromeidal tibia
A: Hip ADduction, Flexion
I: Obturator N.

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10
Q

Adductor brevis

A

PA: Inferior pubic ramus
DA: Linea aspera
A: Hip ADduction
I: Obturator N.

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11
Q

Adductor Magnus: Adductor Portion

A

PA: Inferior pubic ramus
DA: Linea aspera
A: Hip ADduction, flexion
I: Obturator N.

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12
Q

Adductor Magnus: Hamstring Portion

A

PA: Ischial tuberosity
DA: Adductor tubercle
A: Hip ADduction, Extension
I: Tibial division

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13
Q

Semimembranous

A

PA: Ischial tuberosity
DA: Medial tibial condyle
A: Hip extension, knee flexion and medial rotation
I: Tibial divison

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14
Q

Semitendinous

A

PA: Ischial tuberosity
DA: Medial tibial condyle
A: Hip extension, knee flexion & medial rotatin
I: Tibial division

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15
Q

Gastrocnemius

A

PA: Medial poplietal surface, lateral femoral condyle
DA: Calcaneal tuberosity
A: Plantarflexion, knee flexion
I: Tibial N.

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16
Q

Plantaris

A

PA: Lateral supracondylar line
DA: Calcaneal tuberosity
A: Plantarflexion, knee flexion
I: Tibial N.

17
Q

Soleus

A

PA: Soleal line, fibula
DA: Calcaneal tuberosity
A: Plantarflexion
I: Tibial N.

18
Q

Poplietus

A

PA: Lateral femoral condyle
DA: Posterior proximal tibia
A: Unlock knee (medial rotation of tibia)
I: Tibial N.

19
Q

Tibialis posterior

A

PA: Tibia, fibula, interosseous membrane
DA: Plantar foot
A: Inversion
I: Tibial N.

20
Q

Flexor digitorum longus

A

PA: Tibial, interosseous membrane
DA: Base distal phalanx digits 2-5
A: Flex digits 2-5
I: Tibial N.

21
Q

Flexor hallucis longus

A

PA: Fibula, interosseous membrane
DA: Distal phalanx digit 1
A: Flex digit 1
I: Tibial N.

22
Q

Flexor digitorum brevis

A

PA: Calcaneus
DA: Proximal phalanges of digits 2-5
A: Flex digits 2-5
I: Meidal plantar N.

23
Q

Abductor hallucis

A

PA: Calcaneus
DA: Proximal phalanx
A: ABduct, flex digit 1
I: Medial plantar N.

24
Q

Abductor digiti minimi

A

PA: Calcaneus
DA: Proximal phalanx
A: ABduct, flex digit 5
I: Medial plantar N.

25
Lumbricals
``` PA: FDL tendons DA: Extensor expansion hood of digits 2-5 A: Flex MTP, Extend PIP and DIP I: Medial one -> Medial plantar N. Lateral three -> Lateral plantar N. ```
26
Quadratus plantae
PA: Calcaneous DA: FDL tendons A: Assist FDL I: Lateral plantar N.
27
Flexor hallucis brevis
PA: Cuboid, cunieform DA: Proximal phalanx digit 1 A: Flex digit 1 I: Meidal plantar N.
28
Adductor hallucis
``` PA: Transverse head -> plantar ligaments Oblique head -> metatarsals 2-4 DA: Proximal phalanx digit 1 A: Adduct digit 1 I: Lateral plantar N. ```
29
Flexor digit minimi brevis
PA: Metatarsal digit 5 DA: Proximal phalanx digit 5 A: Flex digit 5 I: Lateral plantar N.
30
Fibularis tertious tendon
PA: Distal fibula, interosseous membrane DA: 5th metatarsal base A: Dorsiflexion, eversion I: Deep fibular N.
31
Extensor digitorum longus
PA: Tibia, fibula, interosseous membrane DA: Middle/distal phalanges of digits 2-5 A: Dorsiflex, evert digits 2-5 I: Deep fibular N.
32
Tibialis anterior
PA: Tibia, Interosseous membrane DA: Base 1st metatarsal, medial cuneiform A: Dorsiflexion, inversion I: Deep fibular N.
33
Extensor hallucis longus
PA: Middle fibula, interosseous membrane DA: Distal phalanx digit 1 A: Dorsiflexion, extension hallux I: Deep fibular N.
34
Extensor digitorum brevis
PA: Calcaneus DA: EDL tendon at base of proximal phalanges A: Extend digits 2-5 I: Deep fibular N.
35
Extensor hallucis brevis
PA: Calcaneus DA: EHL tendon at base of proximal phalanx A: Extend digit 1 I: Deep fibular N.