Bones of Forelimb

Question 1

Horses stand on the _____.

Answer 1

3rd digit

Question 2

Horses do not have _____.

Answer 2

Clavicles

Question 3

90% of equine vet problems are due to _____.

Answer 3

Lameness

Question 4

8 bones of the forelimb

Answer 4

1. Scapula
2. Humerus
3. Radius
4. Ulna
5. Carpus
6. Metacarpus
7. Phalanges
8. Sesamoids
   5-8: Manus (hand)

Question 5

What means “hole”?

Answer 5

Fossa

Question 6

What means “underneath”?

Answer 6

Infra

Question 7

What means “on top of”?

Answer 7

Supra

Question 8

Rough area of the bone =

Answer 8

Tubercle

Question 9

Radial fossa - where radius articulates with…

Answer 9

Humerus

Question 10

Olecranon fossa articulates with…

Answer 10

Olecranon of ulna

Question 11

Head of humerus articulates with _____.

Answer 11

The glenoid cavity of the scapula

Question 12

Horses have a fused _____ and therefore cannot rotate their arms.

Answer 12

Radius and ulna

Question 13

Ulna attaches more to _____ side.

Answer 13

Lateral side

Question 14

The carpus is the “_____”.

Answer 14

Knee

Question 15

The 2nd, 3rd, and 4th carpal bone sit on top of…

Answer 15

2nd, 3rd, and 4th metacarpal bones

Question 16

The numbering of bones always goes from _____ to _____.

Answer 16

Medial to lateral

Question 17

The accessory carpal bone is _____ located.

Answer 17

Laterally

Question 18

Fetlock shape:

Answer 18

Change direction and Power of Muscles

Question 19

_____ works as a key and lock that impedes lateral movement. Built-in stability.

Answer 19

Sagittal ridge

Question 20

Sesamoid bones act like a _____.

Answer 20

Pulley

Question 21

Pastern allows for…

Answer 21

Lateral movement; uneven ground/footing

Question 22

Extensor process - place where attaches on…

Answer 22

2nd phalanx

Question 23

The supraspinous fossa is smaller/same size/bigger than the infraspinous fossa.

Answer 23

The supra is smaller than infra

Question 24

What two parts are the articular surface with carpal bones?

Answer 24

Lateral and medial styloid processes

Question 25

_____ more cranial on the left scapula

Answer 25

Supraspinous fossa (on side of cranial border)

Question 26

The cranial view of the left humerus tubercles go from left to right _____, _____, _____

Answer 26

Lesser, intermediate, greater tubercle

Question 27

The caudal view of the left humerus has the greater tubercle on the _____ side.

Answer 27

Leftmost

Question 28

2nd metacarpal bone is also called the

Answer 28

Medial splint bone

Question 29

3rd metacarpal bone is also called the

Answer 29

Cannon bone

Question 30

4th metacarpal bone is also called the

Answer 30

Lateral splint bone

Question 31

What is another name for fetlock?

Answer 31

Metacarpophalangeal joint

Question 32

What is another name for pastern?

Answer 32

Interphalangeal joint

Question 33

The extensor process attaches on the

Answer 33

2nd phalanx

Question 39

The fossa on the cranial side of the humerus is called:

Answer 39

The Radial fossa

Question 40

The fossa on the caudal side of the humerus is called the:

Answer 40

Olecranon fossa

Question 41

The glenoid cavity is on the _____ side of the humerus when you are looking at the _____ view.

Answer 41

Caudal; Lateral

Question 42

Looking at the caudal view of the humerus, you know that the Deltoid tuberosity is lateral and therefore the _____ and _____ are also lateral.

Answer 42

Tricipital line and Lateral epicondyle

Question 43

On the radius and ulna, the side that the ulna is closest to is _____

Answer 43

Lateral