Document Detail

Cyclic impacts on heel strike: a possible biomechanical factor in the etiology of degenerative disease of the human locomotor system.
MedLine Citation:
PMID:  3964043     Owner:  NLM     Status:  MEDLINE    
The cyclic impacts induced by heel strike when walking were studied using both a high-resonance-frequency force plate and a low-mass skin-mounted accelerometer. The data were computer analyzed. The results showed that during normal human walking, the locomotor system is subjected to repetitive impact loads at heel strike, lasting about 5 ms and consisting of frequency spectra up to and above 100 Hz. The natural shock-absorbing structures in the musculoskeletal system have viscoelastic time-dependent mechanical behavior, which is relatively ineffective in withstanding sudden impulsive loads. Degenerative joint diseases may thus be seen as a late clinical result of fatigue failure of the natural shock absorbers, submitted to deleterious impacts over a period of time.
Y Folman; J Wosk; A Voloshin; S Liberty
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Archives of orthopaedic and traumatic surgery. Archiv für orthopädische und Unfall-Chirurgie     Volume:  104     ISSN:  0344-8444     ISO Abbreviation:  Arch Orthop Trauma Surg     Publication Date:  1986  
Date Detail:
Created Date:  1986-05-09     Completed Date:  1986-05-09     Revised Date:  2008-02-21    
Medline Journal Info:
Nlm Unique ID:  7803037     Medline TA:  Arch Orthop Trauma Surg     Country:  GERMANY, WEST    
Other Details:
Languages:  eng     Pagination:  363-5     Citation Subset:  IM    
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MeSH Terms
Fourier Analysis
Heel / physiopathology*
Joint Diseases / etiology*

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

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