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Sodium bicarbonate supplementation in resistance exercise performance, perceived exertion and blood lactate concentration
Fontanella, Letícia Rodrigues; Azara, Cíntia; Scudese, Estevão; Silva, Diogo de Oliveira; Nogueira, Carlos José; Costa, Michelle Soraia Espínola; Senna, Gilmar Weber.
  • Fontanella, Letícia Rodrigues; s.af
  • Azara, Cíntia; s.af
  • Scudese, Estevão; Universidade Católica de Petrópolis. Laboratório de Ciências do Esporte e Exercício. Petrópolis. BR
  • Silva, Diogo de Oliveira; Universidade Católica de Petrópolis. Laboratório de Ciências do Esporte e Exercício. Petrópolis. BR
  • Nogueira, Carlos José; Universidade Federal do Estado do Rio de Janeiro. Laboratório de Biociências da Motricidade Humana. Rio de Janeiro. BR
  • Costa, Michelle Soraia Espínola; Universidade Federal do Estado do Rio de Janeiro. Programa de Pós-graduação em Infecção HIV/AIDS e Hepatites Virais. Rio de Janeiro. BR
  • Senna, Gilmar Weber; Universidade Católica de Petrópolis. Laboratório de Ciências do Esporte e Exercício. Petrópolis. BR
Motriz (Online) ; 26(1): e10200215, 2020. tab, graf
Article Dans Anglais | LILACS | ID: biblio-1091249
ABSTRACT

Aim:

The aim was to evaluate the effect of sodium bicarbonate supplementation (NaHCO3) in repetition performance, perceived exertion and blood lactate concentration.

Methods:

Fourteen trained men (25.14 ± 3.5 years; 85.83 ± 10.18 kg; 1.78 ± 0.06 m; 26.88 ± 3.17 kg/m2) realized two upper-body resistance exercise sessions consisting of 15-RM load and 1 minute of the interval, combining bicarbonate supplementation (BS) or Placebo conditions.

Results:

After the ANOVA analysis, no difference was found on the total number of repetitions during the session on both BS and Placebo condition (p = 0.11). However, a greater number of total of repetitions on the machine chest fly exercise for BS vs. Placebo condition (p = 0.04) was observed. The perceived exertion increased regardless of the supplementation condition (p < 0.0001). Additionally, for the blood lactate was observed significant increases in BS vs. Placebo condition in the post verification (p = 0.013), corroborated for a bigger area under the curve (AUC) on the BS compared to Placebo (p = 0.026) condition.

Conclusion:

In conclusion, sodium bicarbonate supplementation was not able to improve performance during a resistance exercise session, except for the single-joint exercise performed with high values of perceived exertion, not altering the perceived exertion, and blood lactate between protocols.(AU)
Sujets)


Texte intégral: Disponible Indice: LILAS (Amériques) Sujet Principal: Aptitude physique / Hydrogénocarbonate de sodium / Compléments alimentaires / Force musculaire Type d'étude: Essai clinique contrôlé / Étude pronostique Limites du sujet: Humains langue: Anglais Texte intégral: Motriz (Online) Thème du journal: Educa‡Æo F¡sica e Treinamento / Medicina Esportiva / Medicina F¡sica e Reabilita‡Æo Année: 2020 Type: Article Pays d'affiliation: Brésil Institution/Pays d'affiliation: Universidade Católica de Petrópolis/BR / Universidade Federal do Estado do Rio de Janeiro/BR

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Texte intégral: Disponible Indice: LILAS (Amériques) Sujet Principal: Aptitude physique / Hydrogénocarbonate de sodium / Compléments alimentaires / Force musculaire Type d'étude: Essai clinique contrôlé / Étude pronostique Limites du sujet: Humains langue: Anglais Texte intégral: Motriz (Online) Thème du journal: Educa‡Æo F¡sica e Treinamento / Medicina Esportiva / Medicina F¡sica e Reabilita‡Æo Année: 2020 Type: Article Pays d'affiliation: Brésil Institution/Pays d'affiliation: Universidade Católica de Petrópolis/BR / Universidade Federal do Estado do Rio de Janeiro/BR