Assignment 12 (Equine)

Question 1

What long bones of the forelimb are partially fused?

Answer 1

Ulna and radius

Question 2

What are the tendon grooves of the radius medial to lateral?

Answer 2

extensor carpi obliquus

extensor carpi radialis

common digital extensor

lateral digital extensor

Question 3

Where is the radial tuberosity?

Answer 3

On the medial side on the neck of the radius

Question 4

What carpal bones are fused in the horse?

Answer 4

None!

Question 5

What are the contents of the superficial compartment of the carpal canal?

Answer 5

radial a., flexor carpi radialis, lateral palmar a., lateral palmar n.

Question 6

What are the contents of the deep compartment of the carpal canal?

Answer 6

SDF, DDF, medial palmar a., medial palmar n.

Question 7

What is the most superficial layer of the carpal canal?

Answer 7

flexor retinaculum (superficial and deep layers)

Question 8

What is the ligament deep to the carpal canal?

Answer 8

palmar carpal ligament

Question 9

What collateral ligaments exist at the elbow joint of the horse? Describe the parts.

Answer 9

Lateral collateral ligament: short, one part

Medial: long cranial part AND short caudal part

Question 10

What approach should be used for elbow joint injections and where is the injection given?

Answer 10

Caudal approach

Needle inserted between the distal end of the deltoid tuberosity and the olecranon tuber into the OLECRANON FOSSA.

Question 11

What tricep head is absent in the horse?

Answer 11

accessory head

Question 12

The bicipital bursa communicates with the shoulder joint. True or false?

Answer 12

False

Question 13

Lacterus fibrosus is a tendon of what muscle? What muscle does it join distally?

Answer 13

biceps brachii, joins ECR

Question 14

What muscle tendon passes through the middle groove of the radius?

Answer 14

ECR

Question 15

What muscles are invested with synovial sheath and bound by the extensor retinaculum?

Answer 15

ECR and FCR

UL long tendon is enveloped by sheath

Question 16

What are the heads of FCU? Which one has a bursa associated with it?

Answer 16

humeral head and ulnar head

Ulnar head has a bursa

Question 17

The bursa of FCU communicates with the elbow joint. True or false?

Answer 17

True

Question 18

What muscle does not have a synovial sheath?

Answer 18

FCU

Question 19

What are the branches of the medial palmar a?

Answer 19

medial and lateral palmar digital arteries

Question 20

What is the communicating branch and where is it?

Answer 20

Branch between lateral and medial palmar nerves.

Located in the middle of the metacarpus.

Question 21

What are the branches of the ulnar nerve?

Answer 21

dorsal, palmar, deep branch

deep branch branches into medial and lateral palmar metacarpal nerves

Question 22

What branch of the ulnar n. goes to the suspensory ligament?

Answer 22

deep branch

Question 23

What do the median and ulnar nerves innervate?

Answer 23

the flexor muscles of the carpal and digital joints

Question 24

The first and second carpal bones are fused in the horse forelimb. True or false?

Answer 24

False

Question 25

The carpal canal superficially is formed by the _____.

Answer 25

flexor retinaculum

Question 26

Which collateral ligament of the elbow has two parts?

Answer 26

medial collateral ligament

Question 27

What is the long tendon of biceps brachii called?

Answer 27

Lacertus fibrous

Question 28

What is the function of UL muscle on the carpal joints?

Answer 28

flexion