Document Detail

The role of a posteriorly positioned fibula in ankle sprain.
MedLine Citation:
PMID:  14623669     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Specific anatomic variations of the ankle mortise may predispose people to ankle sprains. HYPOTHESIS: There is a correlation between a higher malleolar index (posteriorly positioned fibula) and incidence of ankle sprain. STUDY DESIGN: Prospective case control study. METHODS: We compared the malleolar index (transverse plane of the talus) on computerized axial tomographic images of 61 patients with ankle sprain with that of 101 normal controls. A positive number for the malleolar index meant that the lateral malleolus was posterior to the plane of the medial malleolus. A negative number meant that the lateral malleolus was actually anterior to the plane of the medial malleolus. RESULTS: The average malleolar index of the patients with ankle sprain was +11.5 degrees with a standard deviation of 7 degrees. Malleolar relationships varied from -6 degrees to +39 degrees, a range of 45 degrees. The average malleolar index in the control group was +5.85 degrees with a standard deviation of 4.9 degrees, which varied from -8 degrees to +16 degrees. However, there was no correlation between recurrence of sprains and malleolar index values. CONCLUSION: Patients with an ankle sprain were more likely to have a posteriorly positioned fibula, possibly predisposing them to ankle sprain.
Osman Tugrul Eren; Metin Kucukkaya; Yavuz Kabukcuoglu; Unal Kuzgun
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The American journal of sports medicine     Volume:  31     ISSN:  0363-5465     ISO Abbreviation:  Am J Sports Med     Publication Date:    2003 Nov-Dec
Date Detail:
Created Date:  2003-11-18     Completed Date:  2004-03-25     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7609541     Medline TA:  Am J Sports Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  995-8     Citation Subset:  IM    
First Department of Orthopaedic Surgery, Sisli Etfal Research and Training Hospital, Istanbul, Turkey.
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MeSH Terms
Ankle Injuries / etiology*,  radiography
Ankle Joint / anatomy & histology*,  radiography
Case-Control Studies
Chi-Square Distribution
Fibula / anatomy & histology*,  radiography
Middle Aged
Prospective Studies
Risk Factors
Sprains and Strains / etiology*,  radiography
Tomography, X-Ray Computed

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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