Imjuries to Joints

Question 1

If there is avulsion of the medial epicondyle, which ligament pulls the medial epicondyle distally?

Answer 1

Ulnar collateral ligament.

Question 2

What is subluxation, and where does it frequently occur?

Answer 2

Incomplete disslocation.

Head of the radius- pulled elbow.

Question 3

What occurs anatomically in pulled elbow?

Answer 3

Sudden pulling of the upper limb tears the distal attachment of the annular ligament where it’s attached to the radial neck. The radius moves distally so the head is now partially out of the socket formed by the annular ligament.

Question 4

Name the two bursae that are problematic around the elbow joint.

Answer 4

Subcutaneous olecranon bursa.

Subtendinous olecranon bursa.

Question 5

What bursa is inflamed in students elbow?

Answer 5

Subcutaneous olecranon bursa.

Question 6

How is Subtendinous olecranon bursitis caused?

Answer 6

Excessive friction between triceps tendon and olecranon by repeated flexion extension of the forearm.

Question 7

What causes tennis elbow?

Answer 7

Tears to tendons near the lateral epicondyle.

Question 8

Which part of the humerus is prone to avulsion?

Answer 8

Medial epicondyle.