Document Detail

An experimental study of the redistribution of patellofemoral pressures by the anterior displacement of the anterior tuberosity of the tibia.
MedLine Citation:
PMID:  2910599     Owner:  NLM     Status:  MEDLINE    
Using a series of miniature piezoelectric transducers constructed by the authors, a study was made of the effect of anterior displacement of the tuberosity of the tibia on the distribution of pressures in the patellofemoral joint. Proportionally, the most efficient displacements are those set at 1 cm; after this, and as advancement of the tuberosity is increased, the overall pressure continues to decrease progressively (although more slowly) because there are zones that, according to their situation, receive increased instead of decreased pressures. Consequently, values even higher than those of the original situation are reached. This is the case of the proximal part of the patella, particularly on its lateral facet. This situation can affect the results in cases where the lesion is preferentially located on the proximal part. In these cases it may be enough to advance 1 cm with which overall decompressions close to 50% of the pressure that initially affected the patellofemoral joint are obtained. In very evolved cases or when the lesions are located centrally or distally, it may be worthwhile to advance maximally in spite of the possible complications, seeking the greatest decompression effect that intense advancements can achieve.
L Ferrandez; J Usabiaga; J Yubero; J Sagarra; L de No
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Publication Detail:
Type:  In Vitro; Journal Article    
Journal Detail:
Title:  Clinical orthopaedics and related research     Volume:  -     ISSN:  0009-921X     ISO Abbreviation:  Clin. Orthop. Relat. Res.     Publication Date:  1989 Jan 
Date Detail:
Created Date:  1989-02-14     Completed Date:  1989-02-14     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0075674     Medline TA:  Clin Orthop Relat Res     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  183-9     Citation Subset:  AIM; IM    
Department of Traumatology and Orthopaedic Surgery, Hospital Clinico Universitario, Universidad de Salamanca, Spain.
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MeSH Terms
Knee Joint / physiology*
Reference Values

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

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