The posterior interosseous nerve is a:

This muscle of the thumb is analogous to FDP in the finger

Which positions could cause increased symptoms of an ulnar neuropathy due to        compression in the cubital tunnel?

This bony deformity and cause, effects the DIP of the fingers:

In picture below , This structure will “check” elbow extension:     

Which statement best categorizes Rheumatoid Arthritis:

This special test of the shoulder (GH joint) would be considered useful if the history indicated a  traumatic event:

With the PIP flexed beyond 90 degrees in the index finger, it will be difficult to extend the        DIP due to: BEST ANSWER

Your patient presents with right wrist pain. The patient brings you the x-ray of the wrist and you can clearly see a dark area within the lunate (Avascular Necrosis). What pathology would be most associated with the present x-ray.

True claw hand is due to: