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Veterinary Anatomy > Hindlimb Muscles > Flashcards

Hindlimb Muscles Flashcards

1
Q

Quadriceps femoris

  1. Rectus femoris
  2. Vastus lateralis
  3. Vastus intermedius
  4. Vastus medialis
A 
O: 1. Body of the ilium
    2, 3, and 4: Proximal femur
I: Tibial tuberosity via patellar tendon
A: Extend stifle joint and flex hip joint
I: Femoral n.
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2
Q

Biceps Femoris

A

O: Ischial tuberosity
I: Fascia lata and crural fascia to patella, patellar ligament, and cranial border of the tibia
A: Extend hip, flex stifle (caudal part of m.), and extend tarsal joint
I: Sciatic n. and cranial gluteal n.

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3
Q

Semimembranosus

A

O: Ischial tuberosity
I: Fascia lata and crural fascia to patella, patellar ligament, and cranial border of the tibia
A: Extend hip and tarsus, flex stifle (caudal part of m.)
I: Sciatic n.

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4
Q

Semitendinosus

A

O: Ischial tuberosity
I: Medial surface of body of tibia and tuber calcanei by means of the crural fascia
A: Extend hip joint and tarsus, flex stifle joint
I: Sciatic n.

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5
Q

Sartorius

A

O: Iliac crest, iliac spine, lumbodorsal fascia, bony ridge between two iliac spines
I: Medial side of stifle/cranial border of tibia
A: Flex hip, extend the stifle, abduct the thigh
I: Saphenous branch of femoral n.

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6
Q

Gracilis

A

O: Pubic symphysis
I: Medial side of stifle/cranial border of tibia and calcaneus
A: Adduct limb, extend hip and hock, flex stifle
I: Obturator n.

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7
Q

Pectineus

A

O: Iliopubic eminence and pubic tubercle
I: Distal end of caudomedial femur
A: Adduct limb
I: Obturator n.

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8
Q

Adductor

A

O: Pelvic symphysis, ischiatic arch, ventral surface of pubis and ischium (i.e. ventral pelvis)
I: Medial femur and stifle
A: Adduct limb, extend hip
I: Obturator n.

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9
Q

Iliopsoas

  1. Psoas Major
  2. Iliacus
A 
O: 1. Lumbar vetebrae
    2. Cranioventral ilium and sacrum
I: Lesser trochanter
A: Flex hip
I: Lumbar and femoral nn.
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10
Q

Gluteals

  1. Middle
  2. Superficial
  3. Deep
A 
O: 1. Wing of the ilium
    2. Sacrum, Ca1 and sacrotuberous ligament
    3. Body of ischium
I: 1. Greater trochanter of femur
   2. Third trochanter of femur
   3. Greater trochanter
A: Extend hip and abduct limb
I: 1 and 3. Cranial gluteal n. 
   2. Caudal gluteal n.
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11
Q

Cranial tibial

A

O: Proximal tibia
I: Metatarsals
A: Flex the hock
I: Fibular n.

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12
Q

Long digital extensor

A

O: Lateral surface of distal femur (extensor fossa)
I: Extensor processes of P3 on digits 2-5
A: Extend the digits and flex hock
I: Fibular n.

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13
Q

Lateral digital extensor

A

O: Fibula
I: Extensor process on P3 of MT and digit 5
A: Extend and abduct digit 5
I: Fibular n.

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14
Q

Lateral digital flexor

A

O: Fibula
I: Metatarsophalangeal joint of digit 2 (and 1)
A: Part of DDF
I: Fibular n.

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15
Q

Popliteus

A

O: Distal end of femur
I: Proximal tibia
A: Flex stifle
I: Tibial n.

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16
Q

Superficial digital flexor

A

O: Lateral supracondylar tuberosity of femur
I: Calcanean tuberosity and middle phalanges
A: Flex stifle and digits, extend tarsus
I: Tibial n.

17
Q

Gastrocnemius

A

O: Medial and lateral tuberosities of femur
I: Calcanean tuberosity
A: Extend tarsus and flex stifle
I: Tibial n.

18
Q

Tensor fascia latae

A

O: Wing of the ilium (tuber coxae)
I: Fascia lata
A: flex hip, extend stifle
I: Cranial gluteal n.

19
Q

Gemelli

A

O: Spine of ischium
I: Near trochanteric fossa
A: Rotate limb laterally
I: Sciatic n.

20
Q

Fibularis brevis

A

O: Distal tibia and fibula
I: Metatarsal 5
A: Flex tarsus
I: Fibular n.

21
Q

Fibularis longus

A

O: Proximal tibia and fibula
I: 4th tarsal bone, plantar metatarsals
A: Flex tarsus
I: Fibular n.

22
Q

External obturator

A

O: Ventral pelvis
I: Trochanteric fossa of femur
A: Laterally rotate femur
I: Obturator n.

23
Q

Internal obturator (only in horse and carnivores)

A

O: Pelvic floor around obturator foramen
I: Trochanteric fossa of femur
A: Laterally rotate femur
I: Sciatic n.

24
Q

Deep digital flexor

A

O: Tibia and fibula
I: Distal phalanges
A: Flex digits
I: Tibial n.

25
Q

Piriformis

A

O: Sacrum and caudal vertebrae
I: Greater trochanter
A: Extend hip and abduct limb
I: Cranial gluteal n.

Veterinary Anatomy (4 decks)

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