I. Shoulder (The Thoracic Limb)

Question 1

• A vestigial bone not articulated with the skeleton
• Located near the medial end of the clavicular tendon of the brachiocephalicus muscle
• this does not usually appear on radiographs

Answer 1

Clavicle (collarbone)

Question 2

• Large , flat bone of the shoulder
• Imperfect triangle: 2 surfaces, 3 borders, 3 angles

Answer 2

Scapula

Question 3

most prominent feature of the lateral surface of the scapula

Answer 3

Spine

Question 4

distal end of the spine

Answer 4

Acromion

Question 5

*which surface, border or angle
▫ Spine - most prominent
▫ Supraspinous fossa – supraspinatus m.
▫ Infraspinous fossa – infraspinatus m.

Answer 5

Lateral surface

Question 6

*which surface, border or angle
▫ Subscapular fossa – subscapularis m.
▫ Serrated face

Answer 6

Medial or costal surface

Question 7

*which surface, border or angle

▫ Scapular notch – rhomboideus m.

Answer 7

Cranial border

Question 8

*which surface, border or angle
Base of the scapula in between the cranial and caudal angles

Answer 8

Dorsal border

Question 9

*which surface, border or angle

Bears the infraglenoid tubercle

Answer 9

Caudal border

Question 10

▫ Largest tuberosity of the scapula
▫ It is where biceps brachii m. arise

Answer 10

Supraglenoid tuberosity

Question 11

It is where coracobrachialis m. arise

Answer 11

Coracoid process

Question 12

Shoulder Design in Dogs

Answer 12

• Rudimentary collarbone
• Scapula
• Humerus