Elbow

Please label structure #4

• Radius

• Humerus

• Ulna

• Olecranon

What is the function of the UCL?

• Protects against varus force

• Protects against valgus force

• Protects against anterior force

• Protects against posterior force

Which of the following mechanisms can cause an olecranon bursa?

• Repetitive friction

• Direct hit

• Occurs chronically

• Both A and B

What is the most common way to dislocate an elbow?

• Posterior

• Anterior

• Lateral

• Medial

Which of these ligaments wraps around the radial and ulnar head?

• UCL

• RCL

• Annular ligament

• ACL

A tennis player reports to your ATR complaining of aching elbow pain. He has increased his practice time over the last few weeks, and his pain is located over the outside of his elbow when you palpate. What is most likely his injury?

• Medial Epicondylitis

• Lateral Epicondylitis

• UCL sprain

• Olecranon bursa

Which bone in the forearm is located on the lateral side?

• Ulna

• Humerus

• Olecranon

• Radius

The biceps are responsible for elbow _________, and the triceps are responsible for elbow _________.

Varus stress test tests for what injury?

• UCL sprain/tear

• Medial epicondylitis

• RCL sprain/tear

• Elbow dislocation

You are covering a wrestling match, when one of the athletes lands on his outstretched arm. Upon evaluation, you notice deformity around the olecranon fossa, rapid swelling, crepitus with palpation, and the athlete is in significant pain. What is most likely his injury?

• Elbow dislocation

• Olecranon bursa

• UCL sprain/tear

• RCL sprain/tear