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VETM 320 > Distal Hindlimb Muscles > Flashcards

Distal Hindlimb Muscles Flashcards

1
Q

what are the hock extensors?

A

gastrocnemius, common calcaneal tendon

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2
Q

what are the hock flexors?

A

cranial tibial, fibularis longus

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3
Q

what is the other name for fibularis longus?

A

peroneus longus

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4
Q

what are the digital flexors?

A

SDF and DDF

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5
Q

what are the digital extensors?

A

long and lateral digital extensors

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6
Q

label this image

A

1: biceps femoris
2: semitendinosus
4: gastrocnemius
5: tibialis cranialis (cranial tibial)
6: peroneus (fibularis) longus
7: lateral head of DDF
8: SDF
9: long digital extensor

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7
Q

label this image, including A

A

4: gastrocnemius
5: tibialis cranialis
7: lateral head of DDF
8: SDF
13: interossei
15: popliteus

A: medial head of DDF

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8
Q

label these muscles

A

A: popliteus

B: medial head of deep digital flexor

C: lateral head of DDF

D: lateral digital extensor

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9
Q

label these muscles

A

A: gastrocnemius

B: popliteus

C: SDF

D: DDF

E: crural extensor retinaculum

F: cranial tibial

G: lateral digital flexor

H: medial digital flexor

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10
Q

label this image

A

1: cranialis tibialis
4: popliteus
9: medial head of DDF
10: gastrocnemius (medial head)
11: SDF
13: gastrocnemius (lateral head)
14: biceps femoris
15: lateral head of DDF
18: fibularis longus
21: long digital extensor

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11
Q

label this image

(pretend 9 is refering to the muscle its on instead of pointing towards a vessel)

A

1: popliteus
3: medial head of gastrocnemius

3’: lateral head of gastrocnemius

5: biceps femoris
6: SDF
7: lateral head of DDF
9: medial head of DDF
11: peroneus longus
12: long digital extensor
13: tibialis cranialis

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12
Q

label this image

A

1: biceps femoris
2: semitendinosus
3: gastrocnemius
4: soleus
5: long digital extensor
6: lateral digital extensor
7: DDFs
8: SDF
9: extensor retinaculum

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13
Q

what is peroneous tertius in the horse homologous with in the dog?

A

peroneous longus

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14
Q

label this image

A

3: tibialis cranialis
4: peroneus tertius
5: long digital extensor
7: lateral digital extensor
8: DDfs
9: soleus
11: tendon for SDF

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15
Q

what is the difference between the peroneus tertius in the horse and the cow?

A

horse: tendinous
cow: not tendinous

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16
Q

label this image

A

2: tibialis cranialis
3: peroneus tertius
4: long digital extensor
5: peroneous longus
7: lateral digital extensor
9: DDfs
10: lateral head of gastrocnemius

10’: medial head of gastrocnemius

11: biceps femoris
13: semitendinosus
14: SDF
17: popliteus

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17
Q

What is the primary action of the cranial tibial?

where is the origin and insertion?

A

flex tarsus

O: proximal tibia

I: MT I and II

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18
Q

What is the primary action of the long digital extensor?

where is the origin and insertion?

A

extend digits, flex tarsus

O: extensor fossa (femur)

I: extensor process (P3, digits 2-5)

19
Q

What is the primary action of the peroneous longus?

where is the origin and insertion?

A

flex tarsus

O: proximal tibia and fibula

I: 4th tarsal bone

20
Q

What is the primary action of the lateral digital extensor?

where is the origin and insertion?

A

extend and abduct digit 5

O: fibula

I: extensor process P3, digit 5

21
Q

What is the primary action of the gastrocnemius?

where is the origin and insertion?

A

extend tarsus and flex stifle

O: femur

I: calcaneus

22
Q

What is the primary action of the popliteus?

where is the origin and insertion?

A

flex stifle

O: femur

I: tibia

23
Q

What is the primary action of the deep digital flexor?

where is the origin and insertion?

A

flex digits

O: tibia and fibula

I: distal phalanges

24
Q

What is the primary action of the superficial digital flexor?

where is the origin and insertion?

A

flex stifle, flex digits, extend tarsus

O: femur

I: calcaneus and middle phalanges

25
Q

What is the primary action of the interosseus?

where is the origin and insertion?

A

controls digits

O: prox. metatarsal

I: prox. sesamoid and digital extensor tendon

26
Q

What is the primary action of the soleus?

where is the origin and insertion?

A

extend tarsus

O: fibula (femur in pigs)

I: tendon of lateral head of gastrocnemius

27
Q

what structure is being pointed to?

A

lateral head of DDF

28
Q

label these structures

A

A: medial head of gastrocnemius

B: SDF
C: lateral head of gastrocnemius

29
Q

what structure is being pointed to?

A

gastrocnemius

30
Q

what structure is being pointed to?

A

cranial tibial

31
Q

what structure is being pointed to?

A

peroneus (fibularis) longus

32
Q

what structure is being pointed to?

A

common calcaneal tendon

33
Q

what structure is being pointed to?

A

long digital extensor

34
Q

what structure is being pointed to?

A

lateral head of DDF

35
Q

what structure is being pointed to?

A

popliteus

36
Q

what structure is being pointed to?

A

medial head of DDF

37
Q

what structure is being pointed to?

A

interosseus

38
Q

label this image

A

A: cranial tibial

B: long digital extensor

C: peroneus longus

D: lateral head of DDF

E: gastrocnemius

39
Q

label this image

A

A: cranial tibial

B: long digital extensor

C: fibularis (peroneus) longus

40
Q

what muscle is this?

A

gastrocnemius

41
Q

what muscle is this?

A

SDF

42
Q

what muscle is this?

A

deep digital flexor

43
Q

label this image

A

A: tibialis cranialis

B: peroneus tertius

C: long digital extensor

D: lateral digital extensor

E: DDF

F: soleus

G: tendon for SDF

VETM 320 (18 decks)

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