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Muscle - origins, insertions, functions > Hindlimb > Flashcards

Hindlimb Flashcards

1
Q

Iliopsoas parts?

A

Psoas major

Iliacus

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2
Q

Origin + insertion of psoas major

A

O: Transverse processes L2-L3
I: L4-L7 and lesser trochanter of femur

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3
Q

Origin and insertion of iliacus

A

O: ventral border of ilium
I: lesser trochanter of femur

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4
Q

Action of iliopsoas?

A

Hip flexion

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5
Q

4 parts of quadriceps femurs?

A

Rectus femoris
Vastus lateralis
Vastus intermedius
Vastus medialis

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6
Q

Insertion of quadriceps femurs?

A

Tibial tuberosity via patella tendon

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7
Q

Rectus femoris origin?

A

iliopubic eminence

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8
Q

Vastus x3 origin

A

proximal femur

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9
Q

Quadriceps femoris innervation?

A

Femoral nerve

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10
Q

Function of quadriceps

A

stifle extension

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11
Q

Gluteus medius? O,I,F

A

O: gluteal surface of ilium
I: greater trochanter
F: hip extension

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12
Q

Gluteus profundus? O,I,F

A

O: shaft of ilium to ischiadic spine
I: intertrochanteric fossa
F: hip extension

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13
Q

Gluteus superficialis? O,I,F

A

O: lateral borders of sacrum, sacrotuberous ligament
I: third trochanter and fascia lata
F: hip extensor

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14
Q

Tensor fascia lata origin and insertion

A

O: dorsal border of ilium
I: fascia lata

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15
Q

Sartorius: O+I

A

O: fascia of iliac crest
I: tibial/femoral fascia

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16
Q

Sartorius nerve supply?

A

saphenous

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17
Q

Sartorius function?

A

HL protraction

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18
Q

External obturator
O:
I:
F;

A

O: rim of obturator foramen
I: intertrochanteric fossa
F: hip stability
N: obturator

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19
Q

Pectineus origin

A

prepubic tendon

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20
Q

Pectineus insertion

A

distal medial femoral fascia

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21
Q

Pectineus innervation

A

obturator

22
Q

Adductor O+I?

A

O: entire pelvic symphysis
I: caudal shaft of femur

23
Q

Gracilis O+I?

A

O: pubic symphysis
I: medial fascia of proximal tibia

24
Q

Gracilis innervation?

A

obturator

25
Q

Gracilis action?

A

hip extensor

26
Q

Semimembranosus - O,I,F,N

A

O: ischial tuberosity
I: tibial and femoral fascia
F: hip extension
N: tibial nerve

27
Q

Semitendinosus - O,I,F,N

A

O: ischial tuberosity
I: cranial tibia/calcaneal tendon
F: hip extensor
N: tibial nerve

28
Q

Biceps femoris - O, I, F, N

A

O: ischial tuberosity
I: fascia lata, CCT
F: hip extension
Iā€ tibial nerve

29
Q

Gastrocnemius origin

A

medial and lateral supracondylar tuberosities of femur

30
Q

Gastrocnemius insertion

A

CCT

31
Q

Gastrocnemius innervation

A

tibial

32
Q

Gastrocnemius function

A

Tibiotarsal extension

33
Q

Superficial digital flexor origin

A

Supracondylar fossa of femur

34
Q

SDF Insertion

A

Plantar surfaces P2, digits 2-5

35
Q

SDF function

A

Digit flexion

36
Q

SDF innervation

A

Tibial nerve

37
Q

DDF origin

A

Caudal surface of tibia and lateral condyle (3 heads)

38
Q

DDF insertion

A

Planter surface of P3, digits 2-5

39
Q

DDF innervation

A

tibial nerve

40
Q

DDF function?

A

digit flexion

41
Q

Tibialis cranialis origin

A

Proximo-lateral tibial crest

42
Q

Tibialis cranialis insertion

A

Area of central tarsal bone, prox MT2

43
Q

Tibialis cranialis innervation

A

fibular

44
Q

Tibialis cranialis function?

A

Tibio-tarsal flexion

45
Q

Long digital extensor O+I

A

O: lateral condyle of femur
I: extensor processes of P3, digits 2-5

46
Q

Long digital extensor innervation

A

Fibular nerve

47
Q

Long digital extensor action

A

Digital extensor

48
Q

Lateral digital extensor O+I

A

O: lateral tibia
I: joins with long digital extensor to insert onto P3, digit 5

49
Q

Lateral digital extensor innervation?

A

fibular

50
Q

Fibularis longus O+I

A

O: lateral condyle of tibia
I: proximal MT3+4

51
Q

Inerossei O+I

A

O: palmar-proximal third of MT2-MT5
I: via proximal sesamoids to proximal P1, digits 2-5. Slips to extensor tendons.

52
Q

Interossei function?

A

Metatarsophalangeal flexor

Muscle - origins, insertions, functions (4 decks)

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