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lower limb muscles Flashcards

1
Q

deep posterior leg

A
  1. Flexor digitorum longus
  2. Flexor hallucis longus
  3. Tibialis posterior
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2
Q

superficial posterior leg

A
  1. Gastrocnemius
  2. Soleus
  3. Plantaris
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3
Q

lateral leg

A
  1. Fibularis (peroneus) longus
  2. Fibularis (peroneus) brevis
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4
Q

anterior leg

A
  1. Tibialis anterior
  2. Extensor digitorum longus
  3. fibular tertius
  4. Extensor hallucis longus
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5
Q

medial thigh

A
  1. Gracilis
  2. Adductor longus
  3. Adductor brevis
  4. Adductor magnus
  • Adductor portion
  • Hamstring portion
  1. Obturator externus
  2. pectineus
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6
Q

anterior thigh

A
  1. Iliopsoas
  2. Sartorius
  3. Pectineus
  4. Quadriceps femoris
  5. Rectus femoralis
  • Vastus medialis
  • Vastus intermedius
  • Vastus lateralis
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7
Q

posterior thigh

A
  1. Biceps femoris
  2. Semimembranosus
  3. semitendinosus
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8
Q

biceps femoris

A

Long Head-Ischial tuberosity
Short Head – lateral shaft of femur

Head of fibula

  • *LH-Tibial nerve L5-S**1
  • *SH-common peroneal**

Extend hip, flex knee
Supplied by perforating branches of profunda femoris

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9
Q

semimembranosus

A

ischial tuberosity

Medial tibial condyle, gives recurrent slip to the back of knew – oblique popliteal lig.

Tibial nerve L5-S1

Extend hip, flex knee

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10
Q

semitendinosus

A

schial tuberosity

Medial surf of tibia

Tibial nerve L5-S1

Extend hip, flex knee

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11
Q

iliopsoas

A

T12-L5 vertebrae, discs, transverse processes

Lesser trochanter of femur

L1,2,3

Flex hip

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12
Q

sartorius

A

ASIS

Medial shaft of tibia

femoral nerve

Cross-leg: flex hip, lateral rotation and abduction of hip, flex knee

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13
Q

pectineus

A

Superior ramus of pubis

Pectineal line of femur

Femoral, sometimes obturator or both nerves

Adduct hip, flexes it
Really belongs to medial compartment

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14
Q

gracilis

A

Inferior ramus of pubis

Medial surf of tibia

Obturator L2-4

Adducts hip, gracilis – also flex knee, rotate it medially

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15
Q

adductor magnus

A

_ Adductor portion_

Inferior of pubis

Femur -Linea aspera

obturator n.

Hamstring portion
Ischial tuberosity ,
Hamstring part - to adductor tubercle

HP – tibial nerve

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16
Q

obturator externus

A

Obturator membrane

Trochanteric fossa

Obturator L2-4

External rotator of hip

17
Q

tibialis anterior

A

Lateral surf of tibia

Medial side of foot (cuneiform, 1st metatarsal)

Deep fibular (peroneal) n.
 Anterior tibial a.

medial elevation of foot

18
Q

extensor digitorum longus

fibular tertius

A

Interosseous membr; fibula

Distal phalanges of 2-5 digits

Deep fibular (peroneal) n.
 Anterior tibial a.

extend

19
Q

extensor halllucis longus

A

Interosseous membr; fibula; Inferior to EDL

Big toe

Deep fibular (peroneal) n.
 Anterior tibial a.

extend

20
Q

fibularis longus

A

Upper lateral surf of fibula

Medial cuneiform, 1st metatarsal

Superficial fibular (peroneal) n.

Perforating br. from fibular&anterior tibial a.

Plantarflex, eversion, maintain arches

21
Q

fibularis brevis

A

Lower lateral surf of fibula

Styloid (base) of 5th metatarsal

Superficial fibular (peroneal) n.

Perforating br. from fibular&anterior tibial a.

Plantarflex, eversion, maintain arches

22
Q

gastrocnemius

A

Lat Head: lateral condyle of femur
Med Head: medial condyle of femur

Post surface of calacaneus

Tibial n.

Plantarflex, knee flex

23
Q

soleus

A

Post of fbula head, soleal line, medial tibia

Post surface of calacaneus

tibial n.

plantarflex

24
Q

plantaris

A

Lateral epicondyle of femur

Medial to tendocalcaneus

tibial n.

plantarflex

25
Q

flexor digitorum longus

A

Medial posterior of tibia

Distal phalanges of lateral 4 digits

Tibial n.

Posterior tibial a.

Plantarflex

26
Q

flexor hallucis longus

A

Inferior posterior fibula

Distal phalange of big toe

tibial n.

posterior tibial a.

plantarflex

27
Q

tibialsi posterior

A

Interosseous membrane

Metatarsals 2-4

tibial n.

posterior tibial a.

plantarflex

28
Q

hip flexion

A

iliopsoas

rectus femoris

sartorius

adductors ??

29
Q

hip extension

A

gluteus maximus

hamstrings

30
Q

hip abduction

A

G medius

G minimus

sartorius

tensor fascia lata

prirformis

31
Q

adduction

A

adductors

pectineus

gracilis

32
Q

laterl rotation

A

piriformis

obturator internus & externus

superior & inferior gameli

quadratus femoris

gluteus maximus

33
Q

medial rotation

A

gluteus mediua

TFL

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