Document Detail


Neuromuscular economy, strength, and endurance in healthy elderly men.
MedLine Citation:
PMID:  20881506     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Cadore, EL, Pinto, RS, Alberton, CL, Pinto, SS, Lhullier, FLR, Tartaruga, MP, Correa, CS, Almeida, APV, Silva, EM, Laitano, O, and Kruel, LFM. Neuromuscular economy, strength, and endurance in healthy elderly men. J Strength Cond Res 25(4): 997-1003, 2011-Declines in muscular strength resulting from reduced neural activity may influence the reduction in aerobic capacity in older men. However, there has been little investigation into the relationship between muscular strength and economy of movement during aerobic exercise in elderly subjects. Thus, the purpose of this study was to investigate the possible relationship between strength, aerobic performance, and neuromuscular economy in older men. Twenty-eight aged men (65 ± 4 years old) were evaluated in dynamic (1 repetition maximum test), isometric strength (maximal voluntary contraction), and rate of force development. Peak oxygen uptake, maximal workload, and ventilatory threshold were determined during a ramp protocol on a cycle ergometer. Throughout the same protocol, the neuromuscular economy (electromyographic signal) of the vastus lateralis was measured. Significant correlations were found between muscular strength, cardiorespiratory fitness, and neuromuscular economy (r = 0.43-0.64, p < 0.05). Our results suggest that cardiorespiratory capacity and economy of movement are associated with muscular strength during aging.
Authors:
Eduardo Lusa Cadore; Ronei Silveira Pinto; Cristine Lima Alberton; Stephanie Santana Pinto; Francisco Luiz Rodrigues Lhullier; Marcus Peikriszwili Tartaruga; Cleiton Silva Correa; Ana Paula Viola Almeida; Eduardo Marczwski Silva; Orlando Laitano; Luiz Fernando Martins Kruel
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of strength and conditioning research / National Strength & Conditioning Association     Volume:  25     ISSN:  1533-4287     ISO Abbreviation:  J Strength Cond Res     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-03-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9415084     Medline TA:  J Strength Cond Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  997-1003     Citation Subset:  IM    
Affiliation:
Exercise Research Laboratory, Physical Education School, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.
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