Posterior Interosseous Nerve Syndrome: Difference between revisions
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<br>The posterior interosseus nerve is a continuation of the radial nerve as it passes down the posterior side of the forearm. The radial nerve wraps around the posterior aspect of the arm to the anterior side of the lateral epicondyle of the humerus. As it passes below the lateral epicondyle the radial nerve splits into the superficial and deep radial nerves. The continuation of the deep radial nerve passes through the supinator muscle to become the posterior interosseus nerve. The posterior interosseus nerve can become entrapped with this course through the supinator muscle in the arcade or canal of Froshe in approximately 30% of the population. The role of the posterior interosseus nerve is motor only to the wrist and finger extensors as well as all of the supinator. | <br>The posterior interosseus nerve is a continuation of the radial nerve as it passes down the posterior side of the forearm. The radial nerve wraps around the posterior aspect of the arm to the anterior side of the lateral epicondyle of the humerus. As it passes below the lateral epicondyle the radial nerve splits into the superficial and deep radial nerves. The continuation of the deep radial nerve passes through the supinator muscle to become the posterior interosseus nerve. The posterior interosseus nerve can become entrapped with this course through the supinator muscle in the arcade or canal of Froshe in approximately 30% of the population. The role of the posterior interosseus nerve is motor only to the wrist and finger extensors as well as all of the supinator. | ||
== Mechanism of Injury / Pathological Process<br> | == Mechanism of Injury / Pathological Process<br> == | ||
add text here relating to the mechanism of injury and/or pathology of the condition<br> | add text here relating to the mechanism of injury and/or pathology of the condition<br> | ||
Compression of the posterior interosseus nerve may arise from activities that promote repetitive gripping activities that are combined with supinatory movements. This diagnosis may be associated with lateral epicondylitis. | |||
== Clinical Presentation == | == Clinical Presentation == | ||
Revision as of 08:47, 22 November 2009
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Clinically Relevant Anatomy
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The posterior interosseus nerve is a continuation of the radial nerve as it passes down the posterior side of the forearm. The radial nerve wraps around the posterior aspect of the arm to the anterior side of the lateral epicondyle of the humerus. As it passes below the lateral epicondyle the radial nerve splits into the superficial and deep radial nerves. The continuation of the deep radial nerve passes through the supinator muscle to become the posterior interosseus nerve. The posterior interosseus nerve can become entrapped with this course through the supinator muscle in the arcade or canal of Froshe in approximately 30% of the population. The role of the posterior interosseus nerve is motor only to the wrist and finger extensors as well as all of the supinator.
Mechanism of Injury / Pathological Process
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add text here relating to the mechanism of injury and/or pathology of the condition
Compression of the posterior interosseus nerve may arise from activities that promote repetitive gripping activities that are combined with supinatory movements. This diagnosis may be associated with lateral epicondylitis.
Clinical Presentation[edit | edit source]
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Diagnostic Procedures[edit | edit source]
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Outcome Measures[edit | edit source]
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Management / Interventions
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Differential Diagnosis
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Key Evidence[edit | edit source]
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Resources
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