Lecture 14 - Muscles Flashcards Preview

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Flashcards in Lecture 14 - Muscles Deck (44)
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1
Q

What is the origin of tibialis cranialis?

A

Extensor groove and adjacent articular margin of tibia; lateral edge of cranial tibial border

2
Q

What is the insertion of tibialis cranialis?

A

Plantar surface of base of metatarsals I and II

3
Q

What is the nerve of tibialis cranialis?

A

Fibular n.

4
Q

What is the action of tibialis cranialis?

A

Flex tarsocrural jt; rotate paw laterally

5
Q

What is the origin of extensor digitorum longus?

A

Extensor fossa of femur

6
Q

What is the insertion of extensor digitorum longus?

A

Extensor processes of distal phalanges II-V

7
Q

What is the nerve of extensor digitorum longus?

A

Fibular n.

8
Q

What is the action of extensor digitorum longus?

A

Extend digits; flex tarsus

9
Q

What is the origin of fibularis longus?

A

Lateral condyle of tibia; proximal end of fibula, lateral epicondyle of femur

10
Q

What is the insertion of fibularis longus?

A

Fourth tarsal bone; plantar aspect of base od metatarsals

11
Q

What is the nerve of fibularis longus?

A

FIbular n.

12
Q

What is the action of fibularis longus?

A

Flex tarsus; rotate paw medially

13
Q

What is the origin of fibularis brevis?

A

Lateral surface of distal 2/3 of tibia and fibula

14
Q

What is the insertion of fibularis brevis?

A

Base of MT V

15
Q

What is the action of fibularis brevis?

A

Flex tarsus

16
Q

What is the nerve of fibularis brevis?

A

Fibular n.

17
Q

What is the origin of fibularis teritius?

A

Extensor fossa w/ extensor digitorum longus

18
Q

What is the insertion of fibularis teritius?

A

Bifurcates at hock; lateral and dorsal branch

19
Q

What is the nerve of fibularis teritius?

A

Fibular n.

20
Q

What is the action of fibularis teritius?

A

Connects actions of stifle and hock so they can extend together

21
Q

What is the origin of extensor digitorium lateralis?

A

Extensor fossa of femur

22
Q

What is the insertion of extensor digitorium lateralis?

A

Extensor processes of distal phalanges of digits II-V

23
Q

What is the nerve of extensor digitorium lateralis?

A

Fibular N.

24
Q

What is the action of extensor digitorium lateralis?

A

Extend digits; flex tarsus

25
Q

What is the origin of gastrocnemium?

A

Medial and lateral supracondylar tuberosities of femur

26
Q

What is the insertion of gastrocnemium?

A

Proximal dorsal surface of tuber calcanei via common calcaneal tendon

27
Q

What is the nerve of gastrocnemium?

A

Tibial n.

28
Q

What is the action of gastrocnemium?

A

Extend tarsus; flex stifle

29
Q

What is the origin of flexordigitorum superficialis?

A

Lateral supracondylar tuberosity of femur

30
Q

What is the insertion of flexordigitorum superficialis?

A

Tuber calcanei via common calcaneal tendon; base of middle phalanges of digits II to V

31
Q

What is the nerve of flexordigitorum superficialis?

A

Tibial n.

32
Q

What is the action of flexordigitorum superficialis?

A

Flex first two digital joints of four principal digits; flex stifle; extend tarsus

33
Q

What is the origin of flexordigitorum medialis/lateralis?

A

M: Fibular head and popliteal line
L: Caudal aspect of proximal 2/3 of tibia, proximal 1/2 of fibula

34
Q

What is the insertion of flexordigitorum medialis?

A

Flexor tubercle on plantar surface of base of each distal phalange

35
Q

What is the nerve of flexordigitorum medialis?

A

Tibial n.

36
Q

What is the action of flexordigitorum medialis?

A

Flex digits; Extend tarsus

37
Q

What is the origin of tibialis caudalis?

A

Proximal end of fibula

38
Q

What is the of insertion of tibialis caudalis?

A

Medial ligament tissue of tarsus

39
Q

What is the nerve of tibialis caudalis?

A

Tibial n.

40
Q

What is the action of tibialis caudalis?

A

Extend tarsus; lateral rotation of pes

41
Q

What is the origin of soleus?

A

Fibular head

42
Q

What is the insertion of soleus?

A

Tuber calcanei via common calcaneal tendon

43
Q

What is the nerve of soleus?

A

Tibial n.

44
Q

What is the action of soleus?

A

Assist gastrocnemius