Elbow and Shoulder Anatomy

Question 1

What muscles are found at the greater tuberosity of the humerus?

Answer 1

Supraspinatus
Infraspinatus
Trees Minor

Question 2

What muscles are found at the lesser tuberosity of the humerus?

Answer 2

Subscapularis

Question 3

The glenohumeral capsule joint contains which 3 important ligaments?

Answer 3

Superior Glenohumeral Ligament (SGHL)
Inferior Glenohumeral Ligament (IGHL)
Middle Glenohumeral Ligament (MGHL)

Question 4

Where is the axillary nerve found?

Answer 4

The surgical neck of the humerus

Question 5

How is the axillary nerve commonly injured?

Answer 5

Shoulder dislocation

Question 6

What are the common symptoms of a n axillary nerve injury ?

Answer 6

Weakness of the deltoid and sensory loss in the badge area

Question 7

What are the bones of the elbow joint?

Answer 7

Humerus
Ulna
Radius

Question 8

What are the 2 articulations of the elbow joint?

Answer 8

Humeroulnar and Humeroradial

Question 9

What are the 2 main ligaments found in the elbow joint and what are their attachments?

Answer 9

Ulnar collateral: Medial epicondyle to coronoid process and olecranon

Radial collateral: Extends from lateral epicondyle of the humerus and blends with the annular ligament