horse bones

Question 1

describe carpal bones (medial to lateral)

Answer 1

radius

radiocarpal joint

radial, intermediate, ulnar, accessory

intercarpal joint

1st and second fused together, third (with radial facet and intermediate facet) and fourth

carpometacarpal joint

metacarpal

Question 2

MC2

Answer 2

medial splint bone

Question 3

MC4

Answer 3

lateral splint bone

Question 4

suspensory apparatus is made up of what 3 structures

Answer 4

suspensory ligament, sesamoid bone and distal sesamoidean ligaments

Question 5

suspensory apparatus site of failure in untrained horse vs trained horse

Answer 5

• untrained= site of failure is suspensory ligament
• trained= site of failure is sesamoid bone

Question 6

bones of front limb

Answer 6

scapula, humerus, radius/ulna, carpus, metacarpus, proximal sesamoids/P1, P2, P3, navicular bone between P2 and P3

Question 7

joints on distal limb

Answer 7

fetlock, pastern, coffin

Question 8

horse hind limb bones

Answer 8

pelvis (os coxae), humerus, stifle w patella, tibia/fibula, tarsus, metatarsus, P1/ proximal sesamoids, P2, P3, navicular bone

Question 9

tarsus bones

Answer 9

tibia

calcaneus (big one at back lateral, with tuber calcaneus and sustentaculum tali)

talus (with trochlea)

under talus central

1st and 2nd fused, 3rd under central, 4th

3rd metatarsal bone (with 2nd and 4th ie splint bones)