Muscles of the Crus

Question 1

Cranial tibial m.

Answer 1

flex the tarsocrural joint (hock)

Question 2

Cranial tibial m.

Answer 2

rotate the paw laterally

Question 3

Long digital extensor m.

Answer 3

extend the digital joints

Question 4

Long digital extensor m.

Answer 4

flex the tarsal joints (hock)

Question 5

Fibularis longus m.

Answer 5

flex the tarsal joints (hock)

Question 6

Fibularis longus m.

Answer 6

rotate the paw medially

Question 7

Lateral digital extensor m.

Answer 7

flex the tarsal joint (hocks)

Question 8

Lateral digital extensor m.

Answer 8

extend the digit V

Question 9

Fibularis (Peroneus Brevis) m. (CARNIVORES ONLY)

Answer 9

flex the hock

Question 10

Fibularis Tertius m. (EQUINE)

Answer 10

link stifle and hock

Question 11

Fibularis Tertius m. (EQUINE)

Answer 11

Flexes the hock

Question 12

If a horse were to rupture or injure fibularis tertius m. what symptoms may present?

Answer 12

• lame on trot
• overextension of the hock
• horse able to extend hock when stifle is flexed

Question 13

Gastrocnemius m.

Answer 13

extend the tarsal joints (hock)

Question 14

Gastrocnemius m.

Answer 14

Flex the stifle joint

Question 15

Superficial digital flexor m.

Answer 15

Flexes the digits

Question 16

Superficial digital flexor m.

Answer 16

flex the stifle joint

Question 17

Superficial digital flexor m.

Answer 17

extend the tarsal joints (hock)

Question 18

Deep digital flexor m.

Answer 18

flex the digits

Question 19

Deep digital flexor m.

Answer 19

extend the tarsal joints (hock)

Question 20

Popliteus m.

Answer 20

rotate the leg medially

Question 21

Popliteus m.

Answer 21

flex the stifle