Pelvic Limb: Crus

Question 0

Long Digital Extensor

Answer 0

Crural/Tarsal extensor retinaculum
O: extensor fossa of femur
I: extensor process of P3 of digits 2,3,4,5
A: extend digits, flex tarsals

Question 1

Cranial Tibial

Answer 1

O: extensor groove of tibia, lateral edge of cranial tibial border
I: plantar surface of base of metatarsals 1/2
A: flex tarsocrural joint, rotate paw laterally-plantar surface faces medially

Question 2

Peroneous Longus

Answer 2

O: lateral condyle of tibia, prox. end of femur- LCL of stifle
I: 4th tarsal bone, plantar aspect of base of metatarsals
A: flex tarsals, rotate paw medially so plantar surface faces laterally

Question 3

Gastrocnemius

Answer 3

O: medial and lateral supracondyle tuberosities of femur
I: proximal dorsal surface of tuber calcanei
A: extend tarsus, flex stifle

Question 4

Superficial Digital Flexor

Answer 4

Calcaneal bursa
O: lateral supracondylar tuberosity of femur
I: tuber calcanei to the plantar of P2 of digits 2-5
A: flex first two digital joint of four principle digits, flex stifle, extend tarsus

Question 5

Deep Digital Flexor

Answer 5

Lateral/MedialFlexor-Flexor retinaculum
O: caudal aspect of prox. 2/3 of tibia, prox. 1/2 of fibula, adj. interosseous membrane
I: flexor tubercle of plantar surface of base of each distal phalange
A: flex digits, and extend tarsus

Question 6

Popliteus

Answer 6

Sesamoid bone
O: lateral epicondyle of femur
I: proximal 1/3 of caudal surface of tibia
A: rotate leg medially