22 Questions
What is the location of the arcade of Frohse?
Lateral epicondyle
Which nerve is at risk of entrapment syndrome at the elbow?
Posterior interosseous nerve
What is a common characteristic of PIN syndrome?
Pain increasing with forearm supination and pronation
Which muscle bellies does the radial nerve split into at the elbow?
Supinator
What is the name of the fibrous band located between two heads of the supinator muscle bellies?
Arcade of Frohse
What is indicative of entrapment syndrome at the arcade of Frohse?
Pointed tenderness at the arcade of Frohse
Which condition is most likely associated with atrophy in the hypothenar region and loss of sensation in the ulnar border of the hand?
Ulnar nerve lesion at the wrist
Which nerve lesion can result in reduced strength with wrist extension and thumb abduction?
Radial nerve lesion within forearm region
A patient presents with difficulty in gripping objects and weakness in finger extension. Which nerve lesion is most likely responsible for these symptoms?
Radial nerve lesion within forearm region
Which nerve lesion is associated with reduced strength or loss of wrist extension?
Radial nerve lesion above the elbow
Loss of elbow extension (triceps muscle weakness) is likely a result of a nerve lesion in which region?
Radial nerve lesion in shoulder
Which condition can lead to reduced dexterity during gripping and missing objects from the palm?
Ulnar nerve lesion at the wrist
What is the term used to refer to the entrapment of the median nerve at the site where the nerve passes through the pronator teres muscle?
Pronator teres syndrome
What is a characteristic clinical feature of Pronator teres syndrome?
Forearm neuropathic pain
Which movement can aggravate pain and paresthesia along the nerve course of Pronator teres syndrome?
Elbow extension
What is a key clinical sign differentiating tennis elbow from PIN syndrome?
Aggravation with wrist flexion movements
Which nerve is affected in cases of reduced grip strength and inability to fist the 4th and 5th digits during gripping?
Ulnar nerve
What is a characteristic sign of ulnar nerve lesion at or above the elbow?
Reduced strength or loss of 4th and 5th DIP joint flexion
What conservative treatment approach is recommended for management of lateral epicondylalgia?
Splinting and activity modification
What is a common clinical feature of radial nerve entrapment syndrome at the elbow?
Weakness of finger extensors in severe compression
What can be a diagnostic sign indicating median nerve compression in electrodiagnostic studies?
Finger flexion deficit involving 2nd and 3rd digits
What is a key feature differentiating Pronator teres syndrome from lateral epicondylalgia?
Pain and paresthesia along nerve course with wrist flexion movements
Learn about nerve entrapment syndromes in the elbow and forearm, focusing on Posterior Interosseous Nerve Syndrome and radial nerve compression. Understand the anatomy and potential entrapment sites for the posterior interosseous nerve (PIN).
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