Effects of Combined Resistance and Power Training on Cognitive Function in Older Women: A Randomized Controlled Trial
2020
Hélio José Coelho-Júnior | Ivan de Oliveira Gonçalves | Ricardo Aurélio Carvalho Sampaio | Priscila Yukari Sewo Sampaio | Eduardo Lusa Cadore | Riccardo Calvani | Anna Picca | Mikel Izquierdo | Emanuele Marzetti | Marco Carlos Uchida
The present study compared the effects of traditional resistance training (TRT) and combined power training (PT) and TRT (PTRT) on cognitive parameters and serum brain-derived neurotrophic factor (BDNF) levels in non-demented, well-functioning, community-dwelling older women. Forty-five older women were randomized into one of three experimental groups: TRT, PTRT, and control group (CG). Cognitive tests explored global cognitive function, short-term memory, and dual-task performance. Serum BDNF levels were assessed at baseline and after the intervention. Exercise sessions were performed twice a week over 22 weeks. In TRT, exercise sessions were based on three sets of 8&ndash:10 repetitions at &ldquo:difficult&rdquo: intensity. In PTRT, the first session was based on PT (three sets of 8&minus:10 repetitions at &ldquo:moderate&rdquo: intensity), while the second session was similar to the TRT. Our analyses indicated that overall cognitive function, short-term memory, and dual-task performance were similarly improved after TRT and PTRT. Serum BDNF concentrations were not altered by any training protocol. In conclusion, the two RT programs tested in the present trial improved global cognitive function, short-term memory and dual task performance in non-demented, well-functioning, community-dwelling older women. In addition, our findings suggest that mechanisms other than BDNF may be associated with such improvements.
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