Canine Pelvic Limb -> Intrinsic Muscles

Question 1

what are the actions of the cranial tibial muscle of the crus?

Answer 1

flex tarsus
lateral paw rotation

Question 2

what nerve innervates the cranial tibial muscle?

Answer 2

depp peroneal n.

Question 3

what are the actions of the long digital extensor muscle of the crus?

Answer 3

flex tarsus
extend digits

Question 4

what nerve innervates the long digital extensor muscle?

Answer 4

deep peroneal n.

Question 5

what are the actions of the peroneus longus muscle of the crus?

Answer 5

flex tarsus
medial paw rotation

Question 6

what nerve innervates the peroneus longus muscle?

Answer 6

common peroneal n.

Question 7

what nerve innervates the lateral digital extensor muscle?

Answer 7

superficial peroneal n.

Question 8

what is the gastrocnemius a major component of?

Answer 8

common calcaneon tendon

Question 9

what are the actions of the gastrocnemius muscle of the crus?

Answer 9

tarsus extension
stifle flexion

Question 10

what nerve innervates the gastrocnemius muscle?

Answer 10

tibial n.

Question 11

the gastocnemius m. has a ___ bone at origin

Answer 11

sesamoid

Question 12

what are the actions of the superficial digital flexor muscle of the crus?

Answer 12

stifle flexion
tarsus extension
flex first 2 digital joints

Question 13

what nerve innervates the superficial digital flexor muscle?

Answer 13

tibial n.

Question 14

what are the actions of the deep digital flexor muscle of the crus?

Answer 14

extend tarsus
flex digits

Question 15

what nerve innervates the deep digital flexor muscle?

Answer 15

tibial n.

Question 16

what are the two heads of the deep digital flexor muscle?

Answer 16

medial digital flexor
lateral digital flexor

Question 17

what are the actions of the popliteus muscle of the crus?

Answer 17

medial rotation of leg

Question 18

what nerve innervates the popliteus muscle?

Answer 18

tibial n.

Question 19

the popliteus m. has a ___ bone at origin

Answer 19

popliteal sesamoid

Question 20

what are the major component of the common calcaneon tendon? (* for two major components)

Answer 20

*gastrocnemius m.
*superficial digital flexor m.
bicep femoris m.
semitendinosus m.
gracilis m.

Question 21

what is ruptured if there is digital flexion but the hock of a dog is dropped?

Answer 21

gastrocnemius m.
(intact superficial digital flexor m.)

Question 22

what is ruptured if digits are relaxed but the hock of a dog is dropped?

Answer 22

gastocnemius & superficial digital flexor muscles