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Abstract Details

Abstract Title

RESPIRATORY QUOTIENT ASSESSMENT IN A SENIOR GROUP RANDOMIZED AND CONTROLLED, WALKING PRACTITIONERS

Abstract Theme

Sport and quality of life for adolescence and aging

Type Presentation

Poster

Abstract Authors

Presenter Thiago Costa Florentino - USP (NAFAS Cepeusp ) - BR
David Haluli Sobrinho - UFPE (Educação Física) - BR
Flamarion Clériston Candido Elias - UFPE (Educação Física) - BR
Fabio Sanches Rodrigues - UNINOVE (Educação Física) - BR
Roberto Fernandes Nobre - UNIP (Educação Física) - BR
Jakson Nantes Lopes do Couto - UNOPAR (Educação Física) - BR

Presentation Details

Poster Exhibition Site (Local): Brown - 9        Date: 2 September        Time: 8am to 7pm        Presenter: Thiago Florentino

Abstract Resume

Background:In Brazil, as in other developing countries, there is an increasing life expectancy among people aged greater than 60 years, according to the Brazilian Institute of
Geography and Statistics (IBGE). The predominance of aerobic exercise is very important in human aging, helping to increase the quality of life that can reduce the deleterious effects of chronic
diseases. The respiratory quotient (RQ) is the reason that quantifies the caloric expenditure of carbohydrates macronutrients, proteins and lipids. Larger values (≥ 1,01Kj) indicate an increased
carbohydrate consumption, as predominant source of energy, resulting in a greater chance of muscle fatigue in excessive physical exertion. Objectives: The aim of this study was to examine the effect
of aerobic exercise on the respiratory quotient (RQ) in the elderly aged over 60 years after three months of physical training involving walking
Methods:
We performed a randomized controlled trial in the control group (CG) and experimental group (EG) in healthy elderly. The control group was instructed to not to participate in hiking regularly, and EG
was submitted to training with aerobic feature at an intensity of 50% to 75% of MAX H.R. achieved in the test of physical effort done previously controlled by rate monitors. The volume of each session
was 30 minutes of solid walking in the weekly frequency of 3 times. After this period of said training plan, the elderly EG and CG participated in a second analysis of respiratory capacity. For
statistical analysis we used the "Test t of student" for paired data, significance level of p ≤ 0.05
Results:
QR CG showed a non-significant decrease (p = 0.13) of 1.11 to 1.07 (Δ% of 3.6). This same scenario happened to EG with no significant (p = 0.36) starting from 1.08 to 1.05 (Δ% 2.8) post-workout
Conclusions:
We conclude that the respiratory quotient (RQ) was demonstrated as a good indicator of caloric expenditure for the sample analyzed. The cases showed elevated values of RQ immediately after the end of
the physical effort and the use of carbohydrate as the predominant energy source, indicating physical exhaustion hit. The ratio of carbon dioxide production was decreased in relation to oxygen
consumption with no significant results, including in terms of physical training involving walking. We suggest studies covering a longer period of intervention.

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