Stephanie S. Pinto
Cristine L. Alberton
Márcio E. Becker
Mabel M. Olkoski
Luiz F. M. Kruel
Universidade Federal do Rio Grande do Sul-UFRGS, Porto Alegre, Rio Grande do Sul, Brasil.
RESUMO
]]> O objectivo do presente estudo foi analisar a frequência cardíaca e o consumo de oxigénio em exercícios de hidroginástica executados com e sem equipamento resistivo. A amostra foi composta por dez mulheres jovens que realizaram duas sessões de testes aquáticos, com os exercícios jumping jack e cross country sky realizados nas situações sem equipamento resistivo, com equipamento aquafins e com equipamento aqualogger, respeitando intervalos de 30 minutos. Para a coleta de dados de frequência cardíaca foi utilizado um frequencímetro S610 de oxigênio, um analisador de gases KB1-C (AEROSPORT). Utilizou-se ANOVA para medidas repetidas, post-hoc de Bonferroni e teste-t pareado (p<0.05). O cross country sky comparado ao jumping jack apresentou um comportamento mais elevado para ambas as variáveis, provavelmente, devido a uma maior amplitude de movimento e massa muscular envolvida no exercício. Ao compararmos as diferentes situações, no cross country sky foi observado um aumento estatisticamente significativo do consumo de oxigénio da situação sem equipamento para as situações com equipamento, enquanto que no jumping jack não foram observadas diferenças entre as situações. Já a frequência cardíaca apresentou diferenças estatisticamente significativas entre as três situações para ambos os exercícios. Assim, o uso do equipamento resistivo pode ser eficaz para aumentar as respostas cardiorespiratórias associado ao exercício realizado.Palavras-chave : consumo de oxigénio, frequência cardíaca, hidroginástica, equipamento resistivo.
ABSTRACT
Cardiorespiratory responses induced by hydrogymanstics exercises performed with and without the use of resistive equipment.
The aim of the present study was to analyse the heart rate and the oxygen uptake in hydrogymnastics exercises performed with and without the use of resistive equipment. The sample has been composed by ten young women who have undergone two sessions of aquatic tests, with the exercises jumping jack and cross country sky performed in the situations without resistive equipment, with the use of the aquafins equipment and with the use of the aqualogger equipment, which respected 30-minute breaks. For collecting heart rate and oxygen uptake data a S610 frequencimeter (POLAR) and a KB1-C gas analyser (AEROSPORT) were respectively used. ANOVA was used for repetitive measures, post-hoc Bonferroni and paired t-test (p<0.05). The cross country sky compared to the jumping jack showed a higher behavior for both variables due, probably, to a greater movement amplitude and greater muscle mass involved during the execution of the exercise. An increase statistically significant in the oxygen uptake has been observed in the cross country sky from the situation without equipment when compared with the situations with equipment. On the other hand, in the jumping jack have been noticed no differences between the situations. However, the heart rate has presented differences statistically significant among the three situations for both exercises. Therefore, the use of resistive equipment may be efficient in order to increase the cardiorespiratory responses related to the exercise done.
Key-words: oxygen consumption, heart rate, hydrogymnastics, resistive equipment.
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Correspondência
Stephanie Santana Pinto
Grupo de Pesquisa em Atividades Aquáticas e Terrestres - Laboratório de Pesquisa do Exercício – Escola de Educação Física – Universidade Federal do Rio Grande do Sul
]]> Rua Felizardo, 750 – Bairro Jardim Botânico – CEP 90690-200 – Porto Alegre/RS.Telefone: (0XX51) 3316-5820
E-mail: tetisantana@yahoo.com.br
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