Document Detail

The relationship of the kicking action in soccer and anterior ankle impingement syndrome. A biomechanical analysis.
MedLine Citation:
PMID:  11798995     Owner:  NLM     Status:  MEDLINE    
Two different hypotheses have been advanced to explain the formation of talotibial osteophytes in the anterior ankle impingement syndrome. We investigated how frequently hyperplantar flexion occurs during kicking and whether the site of impact of the ball coincides with the reported location of the osteophytes. We also measured the magnitude of the impact force. We studied 150 kicking actions performed by 15 elite soccer players by using mobile sensors and high-speed video. In 39% of the kicking actions, the plantar flexion angle exceeded the maximum static plantar flexion angle. Ball impact was predominantly made with the anteromedial aspect of the foot and ankle, with impact between the ball and the base of the first metatarsal bone in 89% of the kicking actions and between the ball and the anterior part of the medial malleolus in 76%. Postimpact ball velocity averaged 24.6 m/s, with a corresponding average contact force of 1025 N. Hyperplantar flexion was reached in only the minority of the kicking actions. The data on impact location and impact force support the hypothesis that spur formation in anterior ankle impingement syndrome is related to recurrent ball impact, which can be regarded as repetitive microtrauma to the anteromedial aspect of the ankle.
Johannes L Tol; Erik Slim; Arthur J van Soest; C Niek van Dijk
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Publication Detail:
Type:  Clinical Trial; Journal Article    
Journal Detail:
Title:  The American journal of sports medicine     Volume:  30     ISSN:  0363-5465     ISO Abbreviation:  Am J Sports Med     Publication Date:    2002 Jan-Feb
Date Detail:
Created Date:  2002-01-18     Completed Date:  2002-03-01     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:  45-50     Citation Subset:  IM    
Department of Orthopaedic Surgery, Academic Medical Center, University of Amsterdam, The Netherlands.
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MeSH Terms
Ankle Joint / physiology*,  physiopathology
Cumulative Trauma Disorders / physiopathology
Foot / physiology*,  physiopathology
Range of Motion, Articular / physiology
Reference Values
Soccer / injuries,  physiology*

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