The hook test for distal biceps tendon avulsion.

The hook test for distal biceps tendon avulsion. Research Abstract Details 

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The hook test for distal biceps tendon avulsion. Abstract Text:

Shawn W O'Driscoll,Lucas B J Goncalves,Patricio Dietz,

BACKGROUND: Complete biceps tendon avulsions are frequently missed on clinical examination, suggesting the need for a reliable diagnostic test. HYPOTHESIS: Complete distal biceps avulsions can be reliably detected with the Hook test. STUDY DESIGN: Cohort study (diagnosis); Level of evidence, 2. METHODS: The hook test was performed by a single surgeon in a cohort of 45 patients undergoing surgical exploration of the distal biceps tendon. While the patient actively supinates with the elbow flexed 90 degrees , an intact hook test permits the examiner to hook his or her index finger under the intact biceps tendon from the lateral side. With an abnormal hook test, indicating distal avulsion, there is no cord-like structure under which the examiner may hook a finger. RESULTS: Thirty-three patients had an avulsion and 12 had a partial tear. The hook test was abnormal in 33 of 33 (100%) patients with complete biceps avulsions, and intact in 12 of 12 with partial detachments. However, it was painful in 9 of those 12. In the noninjured contralateral arms, which served as the normal control group, 45 of 45 (100%) had a normal hook test. Magnetic resonance imaging (MRI) diagnosed a complete tear in 11 of 12 patients with partial tears and in 11 of 13 with complete lesions. The sensitivity and specificity were both higher with the hook test (both 100%) than with MRI (92% and 85%, respectively). CONCLUSIONS: The hook test is a highly sensitive and specific test for assessment of distal biceps tendon avulsions.

The hook test for distal biceps tendon avulsion. Publishing Authors By Initials

SW O'Driscoll,LB Goncalves,P Dietz,

For similar disorders of environmental origin: wounds and injuries: tendon injuries research abstracts see: disorders of environmental origin: wounds and injuries: tendon injuries research

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The hook test for distal biceps tendon avulsion. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: The American journal of sports medicine

VOLUME: 35

Page Numbers: 1865-9

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ISSN: 1552-3365

DAY: 8

MONTH: 08

YEAR: 2007

The hook test for distal biceps tendon avulsion. Information

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LANGUAGE: eng

NlmUniqueID: 7609541

The hook test for distal biceps tendon avulsion. Keywords Mesh Terms:

KEYWORDS: Tendon Injuries

MESH TERMS: diagnosis

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Grant and Affiliation Information for The hook test for distal biceps tendon avulsion.

AFFILIATION: Mayo Clinic, 200 1st Street SW, MSB 3-69, Rochester, MN 55905, USA. odriscoll.shawn@mayo.edu

Country: United States

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MEDLINETA: Am J Sports Med

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