A New Clinical Test for Radial Tunnel Syndrome—The Rule-of-Nine Test: A Cadaveric Study

Loh, YC; Lam, WL; Jc, Stanley; Soames, R W

doi:10.1177/230949900401200115

Cited by 41 publications

(19 citation statements)

References 6 publications

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“…Additional physical examination tests that have been described include pain with resisted active supination or wrist extension, pain with resisted middle finger extension at the metacarpophalangeal joint, 48,49 and localized tenderness along the path of the PIN. 50 The practitioner should remember, of course, that several of these clinical maneuvers would also provoke pain in the patient with lateral epicondylitis.…”

Section: Radial Tunnel Syndrome (Rts)mentioning

confidence: 99%

Unusual Compression Neuropathies of the Forearm, Part I: Radial Nerve

Dang¹,

Rodner²

2009

The Journal of Hand Surgery

140

114

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Peripheral compression neuropathies are familiar to the hand surgeon. Although compression neuropathies of the forearm are far less common than those of the wrist (namely, carpal tunnel syndrome), for the patient suffering from one of these neuropathies, a missed diagnosis has far-reaching consequences. In this 2-part review (I: Radial Nerve; II: Median Nerve), several compression neuropathies of the forearm are examined. We will first discuss compression neuropathies affecting the radial nerve: (1) posterior interosseous nerve syndrome, (2) radial tunnel syndrome, and (3) superficial radial nerve compression (Wartenberg's syndrome).

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Section: Radial Tunnel Syndrome (Rts)mentioning

confidence: 99%

Unusual Compression Neuropathies of the Forearm, Part I: Radial Nerve

Dang¹,

Rodner²

2009

The Journal of Hand Surgery

140

114

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“…The point of bifurcation is varied. Studies have shown that it occurs within an area of 3 cm proximal or distal to the elbow and therefore the split is not always in the radial tunnel [14]. The superficial radial nerve is a purely sensory nerve which runs under the brachioradialis in the forearm.…”

Section: Discussionmentioning

confidence: 99%

Posterior Interosseous Neuropathy: Electrodiagnostic Evaluation

Bevelaqua

Hayter

Feinberg

et al. 2012

HSS Journal®: The Musculoskeletal Journal of Hospital for Speci

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Electrodiagnostic studies are used to anatomically localize nerve injuries. These tests help differentiate between cervical radiculopathies, brachial plexopathies, and peripheral nerve injuries. They also help to identify or rule out other underlying neurological diseases and disorders. In this case report, a 22-year-old male swimmer presented with left finger extensor weakness following pull-up exercises. Left wrist extension remained intact. Electrodiagnostic testing revealed a severe but incomplete posterior interosseous neuropathy. Magnetic resonance imaging confirmed inflammation of the nerve in the forearm. Posterior interosseous neuropathy is an uncommon but well-studied condition. Typically, this condition presents with weakness in finger and thumb extension with preserved wrist extension as the extensor carpi radialis longus is innervated proximal to the site of nerve compression in most cases. It is important to understand the anatomic course and distribution of the radial nerve in order to make an accurate diagnosis. Once the anatomy is understood, electrodiagnostic testing may be used to identify the location of nerve injury and exclude other disorders.

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“…The rule-of-9 test, described by Loh and colleagues 6 and Stanley, 7 consists of drawing a large square box over the anterior aspect of the proximal forearm. This box is further divided into 9 smaller, equal squares.…”

Section: Physical Examinationmentioning

confidence: 99%