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Anatomy 2 > Pelvic limb muscle theory > Flashcards

Pelvic limb muscle theory Flashcards

1
Q

The intrinsic musculature of the pelvic limb is divided into:

A
  • muscles of the hip
    –> rump muscles
    –> caudal muscles of the thigh
    –> medial muscles of the thigh
    –> inner pelvic muscles
  • muscles of the strife
  • muscles of the tarsus
  • muscles of the digits
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2
Q

Muscles of the hip
- Rump muscles

A

m. gluteus superficialis
m. gluteofemoralis
m. gluteus medius
m. piriformis
m. gluteus profundus
m. tensor fasciae latae

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3
Q

Muscles of the hip
- Caudal muscles of the thigh

A

m. biceps femoris
m. abductor cruris caudalis
m. semitendinosus
m. semimembranosus

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4
Q

Muscles of the hip
- Medial muscles of the thigh

A

m. sartorius
m. gracilis
m. pectineus
mm. adductores

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5
Q

Muscles of the hip
- Inner pelvic muscles

A

m. obturatorius internus
m. obturatorius externus
mm. gemelli
m. quadratus femoris
m. articularis coxae

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6
Q

Muscles of the stifle

A

m. quadriceps femoris (4 heads)
- vastus lateralis
- vastus medialis
- vastus intermedius
- rectus femoris

m. popliteus

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7
Q

Muscles of the crus
- Craniolateral muscles of the crus

A

Flexors of the tarsus:
m. tibialis cranialis
m. fibularis longus
m. fibularis brevis
m. fibularis tertius

Extensors of the tarsus:
m. extensor digitorum longus
m. extensor digitorum lateralis
m. extensor hallucis longus

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8
Q

Muscles of the crus
- Caudal muscles of the crus

A

Extensors of the tarsus:
m. gastrocnemius
m. soleus

Flexors of the digits:
m. flexor digitorum superficialis
m. flexor digitorum profundus (3 heads)
- m. tibialis caudalis
- m. flexor digitorum lateralis
- m. flexor digitorum medialis

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9
Q

Short digital muscles

A

m. extensor digitorum brevis
m. flexor digitorum brevis
mm. interflexorii
mm. interossei
mm. lumbricales
m. quadratus plantae

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10
Q

Extensor digitorum superficialis/longus

A

Innervation: Fibular nerve

Function: Extensor of the digits, extensor of the stifle joint

Insertion: Extensor process of the distal phalanx

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11
Q

Gastrocnemius
- lateralis

A

Innervation: Tibial nerve

Function: Extensor of the tarsus; flexor of the stifle joint

Insertion: Calcaneal tuber (Achilles tendon)

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12
Q

Flexor digitorum superficialis

A

Innervation: Tibial nerve

Function: Flexor of the stifle joint; flexor of the digits; extensor of the tarsus

Insertion: Proximal phalanx and middle phalanx

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13
Q

Flexor digitorum profundus

A

Innervation: Tibial nerve

Function: Flexor of the digits

Insertion: Deep digital flexor tendon, distal phalanx

(It has 3 heads, inn, fun and ins are the same for all.
The three heads are m. tibialis caudalis, flex. dig. medialis and flex. dig. lateralis.)

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14
Q

(2 heads) Biceps femoris

A

Vertebral head:
Innervation: Caudal gluteal nerve

Function: Flexor of strife joint: extensor of tarsus

Insertion: Patella, deep fascia of leg

Pelvic head:
Innervation: Tibial nerve

Function: Abductor of the hindlimb

Insertion: Common calcaneal tendon

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15
Q

Quadriceps femoris
- vastus lateralis

A

Innervation: Femoral nerve

Function: Extensor of the stifle joint

Insertion: Patella, tibial tuberosity

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16
Q

Rectus femoris

A

Innervation: Femoral nerve

Function: Extensor of the stifle joint; flexor of the hip joint

Insertion: Patella, tibial tuberosity

17
Q

Sartorius
- lateralis

A

Innervation: Femoral nerve

Function: Adducts and draws hindlimb forward

Insertion: Deep fascia of the leg

18
Q

Tensor fasciae latae

A

Innervation: Cranial gluteal nerve

Function: Draws limbs forwards, tensor of the fascia

Insertion: Fascia lata

19
Q

Gluteus superficialis

A

Innervation: Caudal gluteal nerve

Function: Extensor and flexor of the hip joint

Insertion: Greater and third trochanters

20
Q

Gluteus medius

A

Innervation: Caudal gluteal nerve

Function: Extensor of the hip joint, draws limb outwards and backwards

Insertion: Greater trochanter

21
Q

Gluteus profundus

A

Innervation: Cranial gluteal nerve

Function: Greater trochanter

Insertion: Draws limb outwards and backwards

22
Q

Piriformis

A

Innervation: Cranial gluteal nerve

Function: Extensor of the hip joint, draws limb outwards and backwards

Insertion: Greater trochanter

23
Q

Semitendinosus

A

Innervation: Caudal gluteal nerve, tibial nerve

Function: Flexor of the stifle joint: extensor of the hip joint

Insertion: Cranial

24
Q

Semimembranosus

A

Innervation: Caudal gluteal nerve, tibial nerve

Function: Extensor of the strife joint: draws the limb inwards

Insertion: Medial condyle of femur and tibia

25
Q

Gracilis

A

Innervation: Obturator nerve

Function: Adduction

Insertion: Deep fascia of the leg

26
Q

Abductor cruris femoris caudalis

A

Innervation: Fibularis nerve

Function: Draws the limb outward

Insertion: Deep fascia of leg

27
Q

Tibialis cranialis

A

Innervation: Fibular nerve

Function: Flexor of tarsus

Insertion: Tarsal and metatarsal bones

28
Q

Fibularis longus

A

Innervation: Fibular nerve

Function: Flexor of tarsus, draws limb inwards

Insertion: Tarsal (T1) or metatarsal bones (Mt 1)

29
Q

Extensor digitorum lateralis

A

Innervation: Fibular nerve

Function: Extensor of the digits

Insertion: Middle phalanx of the 5th or 4th digit; extensor process of the distal phalanx in the horse

30
Q

Fibularis brevis

A

Innervation: Fibular nerve

Function: Flexor of tarsus

Insertion: Metatarsal bone (Mt 5)

31
Q

flexor digitorum lateralis

A

Innervation: Tibial nerve

Function: Flexor of the digits

Insertion: Deep digital flexor tendon, distal phalanx

32
Q

pectineus

A

Innervation: Obturator and femoral nerves

Function: Adduction

Insertion: Medial border of the femur

Anatomy 2 (10 decks)

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