Document Detail


Effect of take-off from prosthetic versus intact limb on transtibial amputee long jump technique.
MedLine Citation:
PMID:  22918906     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Increasing numbers of long jumpers with lower limb amputations choose to take off from their prosthetic limb. It is not yet known what difference in technique, if any, this requires, or which is more advantageous.
OBJECTIVES: To investigate kinematic differences in long jump technique in athletes with a unilateral transtibial ampution (TT) who take off from their prosthetic limb versus those who take off from their intact limb.
STUDY DESIGN: Naturalistic, field-based, observational; independent group, nonparametric comparison.
METHODS: Two-dimensional sagittal plane kinematic analysis was performed on all athletes competing in the men's Paralympic TT long jump finals. Five athletes took off from their prosthetic limb (TO(prosth)) and five from their intact limb (TO(intact)).
RESULTS: No differences were seen between the two groups in terms of jump distance, approach speed or vertical velocity at touch down. While in contact with the take-off board, the two groups gained a similar amount of vertical velocity. However, the TO(prosth) group appeared to conserve horizontal velocity by using the prosthesis as a 'springboard', minimizing the large hip and knee range of motion displayed by the TO(intact) group and athletes in previous studies.
CONCLUSIONS: While differences in technique were observed, no difference was found for jump distance.
Authors:
L Nolan; Benjamin L Patritti; Kathy J Simpson
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Prosthetics and orthotics international     Volume:  36     ISSN:  1746-1553     ISO Abbreviation:  Prosthet Orthot Int     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-08-24     Completed Date:  2013-04-02     Revised Date:  2013-05-07    
Medline Journal Info:
Nlm Unique ID:  7707720     Medline TA:  Prosthet Orthot Int     Country:  England    
Other Details:
Languages:  eng     Pagination:  297-305     Citation Subset:  IM    
Affiliation:
Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden. lee.nolan@gih.se
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MeSH Terms
Descriptor/Qualifier:
Amputees*
Artificial Limbs*
Biomechanics
Humans
Knee Joint / physiology
Leg / physiology*
Male
Range of Motion, Articular / physiology
Running / physiology
Tibia / surgery*
Track and Field*
Comments/Corrections
Erratum In:
Prosthet Orthot Int. 2012 Dec;36(4):456

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


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