Equine Forelimb Lecture

Question 1

T/F Horses and pigs have acromion process

Answer 1

F

Lack acromion process

Question 2

Lesser tubercle insertion for

Answer 2

supraspinatus m and subscapularis m

Question 3

Intertubercular groove has what pass through it

Answer 3

Biceps brachii

Question 4

Accessory carpal articulates with what ONLY

Answer 4

Caudal surface of ulnar carpal and ulna

Question 5

How many distal carpal bones are in the horse?

Answer 5

3

Question 6

Give proximal set of carpal bones from medal to lateral

Answer 6

Radial carpal, intermediate carpal, ulnar carpal

Question 7

T/F Lateral splint bone in horse is usually the longest

Answer 7

F

Medial splint

Question 8

Proximal sesamoids are located palmar or cranial

Answer 8

Palmar

Question 9

Fetlock joint

Answer 9

Between MC and first phalanx

Question 10

Give equine phalanges from cranial to palmar

Answer 10

Long pastern bone AKA P1 AKA proximal phalanx
Short pastern bone AKA P2 AKA Middle phalanx
Coffin bone AKA P3 AKA Distal phalanx

Question 11

Distal sesamoid on horse

Answer 11

Navicular bone

Articulates on caudal surface of coffin bone and distal surface of P2

Question 12

What joints communicate in forelimb

Answer 12

Middle carpal and carpometacarpal

Question 13

Give joints from cranial to rostral after MC

Answer 13

Fetlock jt AKA metacarpophalangeal jt
Pastern jt AKA proximal interphalangeal jt (PIP)
Coffin jt AKA distal interphalangeal jt (DIP)

Question 14

Greater tubercke of humerus is divided into

Answer 14

Cranial and caudal parts

Question 15

Intertubercular groove is divided by

Answer 15

Intermediate tubercle

Question 16

What bones are fused together?

Answer 16

Radius and ulna

Question 17

Insertion of biceps brachii

Answer 17

Radial tuberosity

Question 18

What is single functional digit in horse

Answer 18

Digit 3

Question 19

Where can infection accumulate on dorsal/thoracic region of horse

Answer 19

Near dorsal scapular ligament

Question 20

Main blood supply to distal limb

Answer 20

Median a

Question 21

Median a continues as what? What is major a on lateral side?

Answer 21

Median palmar a

No major a on lateral side of MC

Question 22

Where does medial palmar a divide?

Answer 22

Above fetlock into medial and lateral palmar dgital a

Question 23

Suprascapular n innervates

Answer 23

Supraspinatus and infraspinatus

Question 24

What n supplies most of structures below carpus?

Answer 24

Median and ulnar n

Question 25

Where does medan n split

Answer 25

Above carpus into medial and lateral palmar n

Question 26

Ulnar n supplies

Answer 26

Palmar branch to lateral palmar n above carpus

Question 27

Lateral palmar n supplies

Answer 27

Deep branch to suspensory ligament just below accessory carpal bone

Question 28

Medial and lateral palmar n becomes

Answer 28

Medial and lateral palmar digital n as they cross fetlock

Question 29

What innervates hoof capsule and contents?

Answer 29

Medial and lateral palmar digital n