Nerve Entrapment Syndrome of the Elbow and Forearm

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What is the location of the arcade of Frohse?

Supinator muscle bellies

Proximal forearm

Between supinator muscle bellies

Lateral epicondyle (correct)

Which nerve is at risk of entrapment syndrome at the elbow?

Posterior interosseous nerve (correct)

Ulnar nerve

Median nerve

Radial sensory nerve

What is a common characteristic of PIN syndrome?

Pain increasing with wrist flexion

Pain along the volar aspect of the forearm

Pain increasing with forearm supination and pronation (correct)

Localized tenderness over the ulnar nerve

Which muscle bellies does the radial nerve split into at the elbow?

Supinator Signup and view all the answers

What is the name of the fibrous band located between two heads of the supinator muscle bellies?

Arcade of Frohse Signup and view all the answers

What is indicative of entrapment syndrome at the arcade of Frohse?

Pointed tenderness at the arcade of Frohse Signup and view all the answers

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 Signup and view all the answers

Which nerve lesion can result in reduced strength with wrist extension and thumb abduction?

Radial nerve lesion within forearm region Signup and view all the answers

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 Signup and view all the answers

Which nerve lesion is associated with reduced strength or loss of wrist extension?

Radial nerve lesion above the elbow Signup and view all the answers

Loss of elbow extension (triceps muscle weakness) is likely a result of a nerve lesion in which region?

Radial nerve lesion in shoulder Signup and view all the answers

Which condition can lead to reduced dexterity during gripping and missing objects from the palm?

Ulnar nerve lesion at the wrist Signup and view all the answers

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 Signup and view all the answers

What is a characteristic clinical feature of Pronator teres syndrome?

Forearm neuropathic pain Signup and view all the answers

Which movement can aggravate pain and paresthesia along the nerve course of Pronator teres syndrome?

Elbow extension Signup and view all the answers

What is a key clinical sign differentiating tennis elbow from PIN syndrome?

Aggravation with wrist flexion movements Signup and view all the answers

Which nerve is affected in cases of reduced grip strength and inability to fist the 4th and 5th digits during gripping?

Ulnar nerve Signup and view all the answers

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 Signup and view all the answers

What conservative treatment approach is recommended for management of lateral epicondylalgia?

Splinting and activity modification Signup and view all the answers

What is a common clinical feature of radial nerve entrapment syndrome at the elbow?

Weakness of finger extensors in severe compression Signup and view all the answers

What can be a diagnostic sign indicating median nerve compression in electrodiagnostic studies?

Finger flexion deficit involving 2nd and 3rd digits Signup and view all the answers

What is a key feature differentiating Pronator teres syndrome from lateral epicondylalgia?

Pain and paresthesia along nerve course with wrist flexion movements Signup and view all the answers