Group 9

Question 1

Extensor digitorum longus

Answer 1

O: Lateral condyle of femur
I: Extensor process of distal phalanx; secondarily on proximal + medial phalanges
F: Extends digit, Flexes hock
N: Peroneal n.

Question 2

HL Extensor digitorum lateralis

Answer 2

O: Lateral collateral lig of stifle + nearby tibia + fibula
I: Joins tendon of extensor digitorum longus
F: Extends digit, Flexes hock
N: Peroneal n.

Question 3

Tibialis cranialis

Answer 3

O: Lateral condyle of tibia
I: MT3, T2
F: Flexes hock
N: Peroneal n.

Question 4

Peroneus tertius

Answer 4

O: Lateral condyle of femur
I: MT3, T4, Calcaneus
F: Flexes hock, part of reciprocal apparatus
N: Peroneal n.

Question 5

HL Flexor digitorum superficialis

Answer 5

O: Supracondylar fossa of femur
I: Plantar on P1 and P2
F: Extends hock, Flexes digits
N: Tibial n.

Question 6

HL Flexor digitorum profundus

Answer 6

O: Caudal surface of tibia, Tibial condyle
I: Plantar on distal phalanx
F: Extends hock, Flexes digits
N: Tibial n.

Question 7

HL Interosseous/Suspensory

Answer 7

O: MT3, Calcaneus + T4
I: Proximal sesamoid bones + Branches to join Extensor digitorum longus
F: Counteracts overextension of HL fetlock joint