Distal Hindlimb Muscles Flashcards
what are the hock extensors?
gastrocnemius, common calcaneal tendon
what are the hock flexors?
cranial tibial, fibularis longus
what is the other name for fibularis longus?
peroneus longus
what are the digital flexors?
SDF and DDF
what are the digital extensors?
long and lateral digital extensors
label this image
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
label this image, including A
4: gastrocnemius
5: tibialis cranialis
7: lateral head of DDF
8: SDF
13: interossei
15: popliteus
A: medial head of DDF
label these muscles
A: popliteus
B: medial head of deep digital flexor
C: lateral head of DDF
D: lateral digital extensor
label these muscles
A: gastrocnemius
B: popliteus
C: SDF
D: DDF
E: crural extensor retinaculum
F: cranial tibial
G: lateral digital flexor
H: medial digital flexor
label this image
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
label this image
(pretend 9 is refering to the muscle its on instead of pointing towards a vessel)
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
label this image
1: biceps femoris
2: semitendinosus
3: gastrocnemius
4: soleus
5: long digital extensor
6: lateral digital extensor
7: DDFs
8: SDF
9: extensor retinaculum
what is peroneous tertius in the horse homologous with in the dog?
peroneous longus
label this image
3: tibialis cranialis
4: peroneus tertius
5: long digital extensor
7: lateral digital extensor
8: DDfs
9: soleus
11: tendon for SDF
what is the difference between the peroneus tertius in the horse and the cow?
horse: tendinous
cow: not tendinous
label this image
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
What is the primary action of the cranial tibial?
where is the origin and insertion?
flex tarsus
O: proximal tibia
I: MT I and II
What is the primary action of the long digital extensor?
where is the origin and insertion?
extend digits, flex tarsus
O: extensor fossa (femur)
I: extensor process (P3, digits 2-5)
What is the primary action of the peroneous longus?
where is the origin and insertion?
flex tarsus
O: proximal tibia and fibula
I: 4th tarsal bone
What is the primary action of the lateral digital extensor?
where is the origin and insertion?
extend and abduct digit 5
O: fibula
I: extensor process P3, digit 5
What is the primary action of the gastrocnemius?
where is the origin and insertion?
extend tarsus and flex stifle
O: femur
I: calcaneus
What is the primary action of the popliteus?
where is the origin and insertion?
flex stifle
O: femur
I: tibia
What is the primary action of the deep digital flexor?
where is the origin and insertion?
flex digits
O: tibia and fibula
I: distal phalanges
What is the primary action of the superficial digital flexor?
where is the origin and insertion?
flex stifle, flex digits, extend tarsus
O: femur
I: calcaneus and middle phalanges
What is the primary action of the interosseus?
where is the origin and insertion?
controls digits
O: prox. metatarsal
I: prox. sesamoid and digital extensor tendon
What is the primary action of the soleus?
where is the origin and insertion?
extend tarsus
O: fibula (femur in pigs)
I: tendon of lateral head of gastrocnemius
what structure is being pointed to?
lateral head of DDF
label these structures
A: medial head of gastrocnemius
B: SDF
C: lateral head of gastrocnemius
what structure is being pointed to?
gastrocnemius
what structure is being pointed to?
cranial tibial
what structure is being pointed to?
peroneus (fibularis) longus
what structure is being pointed to?
common calcaneal tendon
what structure is being pointed to?
long digital extensor
what structure is being pointed to?
lateral head of DDF
what structure is being pointed to?
popliteus
what structure is being pointed to?
medial head of DDF
what structure is being pointed to?
interosseus
label this image
A: cranial tibial
B: long digital extensor
C: peroneus longus
D: lateral head of DDF
E: gastrocnemius
label this image
A: cranial tibial
B: long digital extensor
C: fibularis (peroneus) longus
what muscle is this?
gastrocnemius
what muscle is this?
SDF
what muscle is this?
deep digital flexor
label this image
A: tibialis cranialis
B: peroneus tertius
C: long digital extensor
D: lateral digital extensor
E: DDF
F: soleus
G: tendon for SDF
