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Anatomy > Pelvic Limb Lecture 2 > Flashcards

Pelvic Limb Lecture 2 Flashcards

1
Q

What are the craniolateral muscles that act as flexors of the tarsus

A

Cranial tibial

Long digital extensor

Fibularis longus

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2
Q

Cranial tibial
Origin
Insertion

A

O: Extensor groove and associated area of tibia

I:Plantar surface of MT I and II

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3
Q

Action of cranial tibial

A

Flex tarsus

Supinate paw

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4
Q

Long digital extensor
Origin
Insertion

A

O:Extensor fossa of femur
I: Extensor process of distal phalanges of all digits (2-5)

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5
Q

Action of long digital extensor

A

Flex tarsus

Extend digits

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6
Q

Fibularis longus
Origin
Insertion

A

O:Lateral collateral ligament of stifle and lateral condyle of tibia

I:4th tarsal and plantar surfaces of base of all MT

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7
Q

Action of fibularis longus

A

Flex tarsus

Pronate paw

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8
Q

Name the two retinaculum on flexor surface of tarsus

A

Crural extensor retinaculum (more dorsal)

Tarsal Extensor retinaculum (more ventral)

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9
Q

What muscles pass deep to crural retinaculum and just proximal to the tarsus

A

Long digital extensor and cranial tibial

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10
Q

What muscle passes deep to tarsal retinaculum

A

Long digital extensor

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11
Q

What are the caudal group of muscles that act as extensors of the tarsus

A

Gastrocnemius

Superficial digital flexor

Biceps femoris tendon

Gracilis tendon

Semitendinosus tendon

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12
Q

What are the primary contributors to the common calcaneal tendon

A

Gastrocnemius

Superficial digital flexor

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13
Q

What muscle contributes to the common calcaneal tendon in cats

A

Soleus

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14
Q

Gastrocnemius
Origin
Insertion

A

O:Medial and lateral supracondylar tuberosities of femur (fabella in tendon of origin)

I:Proximal dorsal surface of tuber calcanei

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15
Q

Gastrocnemius action

A

Extend tarsus

Flex stifle

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16
Q

Superficial digital flexor
Origin
Insertion

A

O:Lateral supracondylar tuberosity of femur
I:Proximal dorsal surface of tubercalcaneidigits 2-5

17
Q

Action of superficial digital flexor

A

Flex stifle

Extend tarsus

Flex digits

18
Q

The calcaneal bursa lies where

A

Under the tendon of SDF as it passes over the tuber calcanei

19
Q

What acts as flexors of the stifle

A

Gastrocnemius and SDF

20
Q

T/F DDF contributes to common calcaneal tendon

A

F

21
Q

Soleus attachment in cats is similar to what muscle

A

Gastrocnemius

22
Q

What are some common causes of rupturing the common calcanean tendon

A

Trauma
Fracture of the calcaneus
Degenerative disease

23
Q

What are some major signs rupturing the common calcanean tendon

A

Non-weight bearing lameness

24
Q

Prognosis of rupturing of the common calcanean tendon

A

Good if apposition of tendons on calcaneus can be achieved

25
Q

How to repair rupture of common calcanean tendon

A

Surgical repair and support with hock braces work well for management of a ruptured common calcaneal tendon in dogs

26
Q

Muscles that extend the digits

A

Long digital extensor

Lateral digital extensor

27
Q

Muscles that flex the digits

A

SDF

DDF

28
Q

Digital extensor insertions

A

1-Long digital extensor
-Distal phalanges of digits 2-5

2-Lateral digital extensor
-Proximal phalanx of digit 5

29
Q

T/F lateral digital extensor lies superficial to the fibularis longus

A

F

Deep

30
Q

DDF
Origin
Insertion

A

O:Caudal aspect of proximal tibia (2 heads; medial and lateral digital flexors)

I: Flexor tubercle of distal phalanges of digits 2-5

31
Q

T/F Both heads (medial and lateral) cross the tarsus together

A

F

Individually

32
Q

The lateral digital flexor head passes over what

A

Sustentaculum tali and held in place by the flexor retinaculum

33
Q

T/F Both heads of the DDF join to form a single tendon (if T where)

A

T

At level of 2nd (distal) row of tarsal bones

Anatomy (22 decks)

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