Can hypoxic alter the anaerobic capacity measured by a single exhaustive exercise?

Author:

Foresti Yan Figueiredo1,Higino Wonder Passoni213,Dellavechia de Carvalho Carlos4ORCID,Esequiel Guilherme Henrique1,Costa Gabriel Peinado1,Bertuzzi Rômulo5,Papoti Marcelo6

Affiliation:

1. Physical Education, USP EEFERP, Ribeirao Preto, Brazil

2. CeCAES, Instituto Federal de Educação Ciência e Tecnologia do Sul de Minas Gerais - Campus Muzambinho, Muzambinho, Brazil

3. Programa de Ciências da Reabilitação, Universidade Federal de Alfenas, Alfenas, Brazil

4. Health Sciences, Universidade de São Paulo Faculdade de Medicina de Ribeirão Preto, Ribeirao Preto, Brazil

5. School of Physical Education and Sport, University of São Paulo (USP), São Paulo, Brazil

6. chool of Physical Education and Sport of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil

Abstract

The present study aimed to compare the MAODALT in situations of hypoxia and normoxia to confirm the method validity. Seventeen healthy and physically active men participated in this study, aged 25.2 ± 3.2 years. All participants underwent four days of evaluation. The first day was performed a body composition test, an incremental test to exhaustion to determine the maximum oxygen uptake, familiarizing the hypoxia (H) and normoxia (N) situation and the equipment used. On the second, third and fourth days, supramaximal efforts were performed until exhaustion at 110% of maximum oxygen uptake, in a situation of hypoxia (FIO2 = 14.0%) and normoxia (FIO2 = 20.9%). The anaerobic capacity was considered the sum of energy supply of the alactic and lactic systens. The absolute or relative anaerobic capacity values were not different (H = 3.9 ± 1.1 L, N= 3.8 ± 0.9 L, p = 0.69), similarly no differences were found for the alactic contribution (H=1.7 ± 0.5 L, N=1.5 ± 0.5 L, p = 0.30) and lactic contribution (H= 2.3 ± 0.9 L, N= 2.3 ± 0.7 L, p = 0.85). It can be concluded that the anaerobic capacity measured by a single exhaustive effort is not altered by hypoxia.

Funder

Fundação de Amparo à Pesquisa do Estado de São Paulo

Publisher

Georg Thieme Verlag KG

Subject

Orthopedics and Sports Medicine,Physical Therapy, Sports Therapy and Rehabilitation

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