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Comparative analysis of the lower limbs distribution joint torque during the run in adults and elderly runners

Grant number: 10/02878-5
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): August 01, 2010
Effective date (End): October 31, 2012
Field of knowledge:Health Sciences - Physical Education
Principal Investigator:Marcos Duarte
Grantee:Cristina Porto Alves Alcantara
Host Institution: Centro de Engenharia, Modelagem e Ciências Sociais Aplicadas (CECS). Universidade Federal do ABC (UFABC). Ministério da Educação (Brasil). Santo André , SP, Brazil
Associated scholarship(s):11/22142-6 - Running biomechanical evaluation: multicenter study to comprehend the movement with implication in the injury prevention and performance improvement, BE.EP.MS


With the growing preoccupation for a better quality of life, there hasbeen an increase in the search for physical activities by both youngand elderly adults. The long distance running was one of theactivities which had the largest number of novices among the elderlypopulation. In a study that our group conducted about elderly runners (Fukuchi,Duarte 2008), the main observed difference by the first time was thatelderly individuals present greater foot abduction (toe-out) duringrunning than young adults. This alteration has been observed inelderly individuals in general during walking, and identified as aprotective mechanism to not overload the medial compartment of theknee joint. It is also known that elderly individuals present adifferent joint torque distribution in the lower limbs during walkingin comparison with young adults. However, it's not known the relationbetween the movement patterns, particularly the foot abductionpattern, and the mechanical load on the knee joint during running byelderly individuals. With this project, we want to understand whyelderly individuals change their movement pattern during running andto determine for the same subjects if this altered pattern is alsopresent during walking and standing. Our hypotheses are that thestrategy of a greater foot abduction is present in all movement tasksand that the use of this strategy is related to the integrity of theknee joint, even considering the highly active elderly individuals.These findings will contribute for a greater understanding of thebenefits of the practice of running and the adaptations developed bythe elderly runners and in this way to contribute for the prescriptionof this activity to the elderly population.This project is part of a project funded by FAPESP entitled, "Controlof Balance and Movement in Sedentary and Runner Young and ElderlyAdults" (2008/10461 -7) under coordination of Prof. Dr. Marcos Duarte.

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Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
ALCANTARA, Cristina Porto Alves. Analysis kinematics and kinetics of the lower limbs during running in young adults and elderly. 2013. Master's Dissertation - Universidade de São Paulo (USP). Escola de Educação Física e Esportes (EEFE/BT) São Paulo.

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