Elbow

Question 1

What are the three elbow joints?

Answer 1

Humeralulnar - hinge
Humeralradial - hinge
Proximal ridoulnar - pivot

Question 2

What are the 5 ligaments in the elbow

Answer 2

Radial collateral
Ulnar collateral
Annular lig
Interosseous memebrane

Question 3

What’s the role of radial and ulna ligament?

Answer 3

Provides stability against Varys forces and valgus

Question 4

What is the attachment points of the lateral radial collateral ligament?

Answer 4

• Lateral epicondyle of humerus

- blends with annular ligament

Question 5

What is the attachment points of lateral ulnar collateral ligament?

Answer 5

• lateral epicondyle of humerus

- supinator creat ulnar

Question 6

What is the attachment points of the annular ligament?

Answer 6

-Anterior to posterior of radial notch of ulna

Question 7

What is the attachment points of anterior oblique ligament?

Answer 7

• Medial epicondyle of humerus

- to coronoid process of ulna

Question 8

What is the attachment points of the posterior oblique ligament?

Answer 8

• medial epicondyle of humerus

- to olecranon of ulna

Question 9

What is the attachment points of the transverse ligament?

Answer 9

• the coronoid process to the top of the olecranon

Question 10

What is the annular ligament?

Answer 10

• flexible enables pronation and supernation
• attached to anterior and posterior radial notch of ulnar
• support the head of radius to prevent inferior movements or the radius

Question 11

What is the elbow joint capsule?

Answer 11

• elbow and radioilnar shake joint capsule
• strengthen medially and laterally by ligaments
• weaker anterior and posterior
• brachialis inserts anterior of the capsule to pull it out of joint space to prevent pinching when flexion occurs
• triceps attaches posterior to prevents pinching in extension

Question 12

What is the anterior joint capsule attachment points?

Answer 12

Medial epic