Physical effort, energy expenditure and motivation between Structured and Unstructured Active Videogames: Randomized Controlled Trial
Journal Title: Human Movement - Year 2016, Vol 17, Issue 3
Abstract
Purpose. The goals of the study were: a) to compare the way that two types of active video games (AVG) influenced physical effort and motivation in young adults; b) to compare direct and indirect instruments and use an indirect instrument (heart rate analysis) as a practical tool to verify physical effort in AVGs. Methods. Initially, 16 healthy but physically inactive young adult males with no AVGs experience took part in the randomized control trial. After the baseline assessments of blood pressure (BP), heart rate (HR), and aerobic capacity (AE), the participants were randomized into two groups: structured AVG (n = 6) and unstructured AVG (n = 7) (3 dropouts). They played 3 sessions a week, for 6 weeks. Direct and indirect metabolic measurements were made. To compare direct and indirect AE, Student t-test was used for related samples. Changes (group × time) in HR, perceived exertion (PE), calculated energy expenditure (EE), calculated metabolic equivalent (MET), and motivation (points) were assessed with the two-way analysis of variance. Results. There were no differences between direct and indirect AE (36.0 ± 5.2 vs 33.9 ± 6.0 ml/kg/min: unstructured; 39.0 ± 5.9 vs 37.7 ± 5.9 ml/kg/min; p > 0.05). No differences were observed in maximal HR, PE, or motivation (p > 0.05). Statistically significant differences referred to average HR, MET, and EE over the sessions (p < 0.05). HR and EE values were higher in structured than in unstructured AVGs. Conclusions. HR and EE responses of structured AVGs turned out higher than those of unstructured AVGs, and the measurements proved efficient to analyse physical effort in AVGs in a long-term perspective. Key words: exercise, play and playthings, aerobic capacity, heart rate, physical activity
Authors and Affiliations
Jorge Luiz de Brito-Gomes, Raphael José Perrier-Melo, Saulo Fernandes Melo de Oliveira, Fernando José de Sá Pereira Guimarães, Manoel da Cunha Costa
Keywords
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- EP ID EP138871
- DOI 10.1515/humo-2016-0021
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