The Influence of Adiposity on Physiological, Perceptual, and Affective Responses during Walking at a Self-Selected Pace

DaSilva, Sérgio G.; Guidetti, Laura; Buzzachera, Cosme Franklim; Elsangedy, Hassan Mohamed; Colombo, Heriberto; Krinski, Kleverton; Santos, Sérgio Luiz Carlos dos; Campos, Wagner de; Baldari, Carlo

doi:10.2466/pms.109.1.41-60

Cited by 25 publications

(43 citation statements)

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“…This can be explained by the transversal study characteristic, where the instruction time and practice with RPE was short. Our results are in agreement with DaSilva et al 21 findings that physiological responses relative to maximal capacity are influenced by adiposity during walking at self-selected pace, but not perceptual and affective responses.…”

Section: Discussionsupporting

confidence: 83%

Self selected walking speed in overweight adults: Is this intensity enough to promote health benefits?

Moura

Marins

Amorim

2011

Apunts. Medicina de l'Esport

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Introduction and objective:Walking is the most often indicated physical activity modality to increase population physical activity levels aiming to improve health-related conditions. However, we do not know how overweight adults self-selected the intensity of their walking speed. The objective was to evaluate the self-selected walking speed in overweight adults. Methods: We evaluated 50 men (41.7 ± 5.4 years), who performed walking without professional guidance. The exercise intensity was monitored by heart rate, and also by the perceived exertion. We performed anthropometric measurements of body weight, height, waist circumference and hip. The sample was divided into two groups by body mass index (BMI) categories: G1 (BMI < 25 kg m −2 ) = «Normal Weight» and G2 (BMI ≥25 kg m −2 ) = «Overweight». Was used t test for independent samples, with p < 0.05. Results: The t test showed significant difference between groups for the following variables: body weight, waist hip ratio (WRH) and waist circumference (p≤0,001). It was verified, by the heart rate analyses, an elevated percentage of participants who did their self-selected walking intensity choices at higher levelsthan the «moderate» classification, in both groups. Conclusion: It can be concluded that the self-selected walking intensity was adequate for the largest part of the participants in attending American College of Sports Medicine recommendations, mainly in normal weight group. However large part of the evaluated sample in overweight group is exercising at inadequate intensity, considering their age and weight conditions. Particularly for this group, professional exercise guidance has to be recommended for safety reasons. Documento descargado de http://www.apunts.org el 21/02/2012. Copia para uso personal, se prohíbe la transmisión de este documento por cualquier medio o formato. B.P. de Moura et al PALABRAS CLAVEIntensidad de ejercicio; Paseo; Velocidad autoseleccionada; Actividad física; Sobrepeso Velocidad de caminata autoseleccionada en adultos con sobrepeso: ¿es suficiente esta intensidad para promover los beneficios de la salud? Resumen Introducción y objetivo: Caminar es, a menudo, la modalidad de actividad física recomendada para incrementar los niveles de actividad enfocados a mejorar el estado de salud. De todas formas, ignoramos cómo los adultos con sobrepeso seleccionan la intensidad de su caminata rápida. El objetivo se centra en evaluar esta velocidad. Métodos: Evaluamos 50 hombres (41,7 ± 5,4 años) que realizaban caminatas sin asistencia profesional. La intensidad del ejercicio era monitorizada por las pulsaciones y también por el esfuerzo percibido. Se realizaron mediciones antropométricas de peso, altura, contorno de cintura y de cadera. La muestra se dividió en dos grupos por categorías de índice de masa corporal (IMC): G1 (IMC < 25 kg m −2 ) = «Peso normal» y G2 (IMC ≥25 kg m −2 ) = «Sobrepeso». Se empleó el test t para muestras independientes, con p < 0,05. Resultados: El test t mostró diferencias significativas entre grupos en...

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Section: Discussionsupporting

confidence: 83%

Self selected walking speed in overweight adults: Is this intensity enough to promote health benefits?

Moura

Marins

Amorim

2011

Apunts. Medicina de l'Esport

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“…Several studies have also revealed that most people are not only predisposed to select an exercise intensity that produces positive perceptual and affective responses but also able to choose a physiological stimulus adequate to promote health benefits (i.e., an exercise intensity between 55%/65% and 90% of HR^^x or between 40%/50% and 85% of oxygen consumption reserve (VO^R) or HR reserve (HRR) (6,13,21,29,30). These findings reinforce the observation that health benefits and pleasant experiences may be associated with self-paced exercise protocols.…”

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confidence: 98%

“…Moreover, the model of Ekkekakis et al (11) also suggests that, during exercise performed at intensities below and at the ventilatory threshold, the effects of these cognitive appraisal processes, which are likely influenced by self-efficacy, goal achievement, social context, and personality variables, may contribute to increased interindividual variability in the affective responses to exercise. Interestingly, recent studies have found that individuals exercising at a self-selected pace tend to choose an intensity near the ventilatory threshold (6,13,21), and the interindividual variability in the affective responses is reduced (35).…”

mentioning

confidence: 99%

“…The use of self-selected exercise intensity protocols has been advocated as a means of producing positive effects on affective and perceptual responses in sedentary individuals (6,(10)(11)(12)21). Because the participants of an exercise program are not simply "passive" agents, using the individual's cognitive appraisal processes to choose an exercise intensity might contribute to improved affective and perceptual responses.…”

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confidence: 99%

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Psychophysiological Responses to Self-Paced Treadmill and Overground Exercise

DaSilva

Guidetti²,

Buzzachera³

et al. 2011

Medicine &Amp; Science in Sports &Amp; Exercise

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“…A caminhada é uma forma conveniente e popular de exercício físico executada por homens e mulheres, devido à sua segurança, efetividade e simplicidade (1,2) , podendo trazer benefícios à saúde e melhora do condicionamento cardiorrespiratório (3) , quando realizada em quantidade e intensidade apropriadas (2) . O Colégio Americano de Medicina do Esporte (ACSM) (2) , recomenda um mínimo de 30 minutos de atividade física durante a maioria, se não todos os dias da semana, a uma intensidade correspondente a 50-85% do consumo máximo de oxigênio (VO 2Máx ) e 55-90% da frequência cardíaca máxima (FC Máx ) necessárias para melhoria da aptidão cardiorrespiratória (ACR) (2) .…”

Section: Introductionunclassified

Comparação das respostas fisiológicas e perceptuais obtidas durante caminhada na esteira em ritmo autosselecionado entre os sexos

Krinski

Elsangedy

Buzzachera

et al. 2010

Rev Bras Med Esporte

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RESUMOO objetivo do presente estudo foi comparar as respostas fisiológicas e perceptuais entre os sexos durante a caminhada na esteira em ritmo autosselecionado. Participaram 17 homens e 17 mulheres, fisicamente ativos, com média de idade de 23,32 ± 3,06 anos, submetidos a duas sessões experimentais: (I) avaliação antropométrica e teste incremental máximo, e (II) um teste de 20 minutos de caminhada na esteira em ritmo autosselecionado. Para a análise estatística, empregou-se teste t de Student para medidas independentes no intuito de verificar as possíveis diferenças entre os sexos, adotando p ≤ 0,05. A velocidade de caminhada autosselecionada pela amostra masculina foi superior à verificada na feminina (1,65 ± 0,18 e 1,50 ± 0,12m•seg -1 , respectivamente) o que consequentemente resultou em maior • VO 2 absoluto nos homens comparado às mulheres (21,2 ± 5,5 e 18,3 ± 2,7, respectivamente). No entanto, ambos os sexos buscaram caminhar em mesma intensidade relativa % • VO 2máx , (37,5 ± 10,7 homens e 40,3 ± 7,2 mulheres). Em relação à percepção subjetiva de esforço (PSE), podemos verificar que ambos os sexos não demonstraram diferenças significativas (10,2 ± 1,0 homens e 9,8 ± 1,2 mulheres). Os achados do presente estudo demonstram que, independente do sexo, jovens adultos fisicamente ativos autosselecionaram similar intensidade relativa que refletiu em similar PSE. Além disso, a caminhada em intensidade autosselecionada demonstra-se como estímulo insuficiente para proporcionar melhora no condicionamento cardiorrespiratório nesta população.Palavras-chave: consumo de oxigênio, frequência cardíaca, esforço, atividade física. ABSTRACTThe aim of this study was to compare physiological and perception responses between genders during treadmill walking at self-selected pace. 17 men and 17 women aged 23.32 ± 3.06 yr were investigated: (I) anthropometric assessment and incremental exhaustion test, (II) a 20-minute walking bout on treadmill at their self-selected pace. The independent t test was utilized to verify any gender differences, with a level of p < 0.05. The self-selected walking pace was significantly greater in men than women (1.65 ± 0.18 and 1.50 ± 0.12 m•sec -1 , respectively), and consequently resulted in higher absolute VO 2 for men compared to women (21.2 ± 5.5 and 18.3 ± 2.7, respectively). However, both genders self-selected a similar relative exercise intensity %VO 2max (37.5 ± 10.7 and 40.3 ± 7.2 for men and women, respectively). The subjective perceived exertion (SPE) did not differ between genders (10.2 ± 1.0 and 9.8 ± 1.2 for men and women, respectively). The results of the present study demonstrated that regardless of gender, physically active young adults self-selected a similar relative exercise intensity that reflected in similar SPE. Furthermore, gait at self-selected intensity was insufficient to improve cardiorespiratory fitness in this sample.

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The Influence of Adiposity on Physiological, Perceptual, and Affective Responses during Walking at a Self-Selected Pace

Cited by 25 publications

References 49 publications

Self selected walking speed in overweight adults: Is this intensity enough to promote health benefits?

Self selected walking speed in overweight adults: Is this intensity enough to promote health benefits?

Psychophysiological Responses to Self-Paced Treadmill and Overground Exercise

Comparação das respostas fisiológicas e perceptuais obtidas durante caminhada na esteira em ritmo autosselecionado entre os sexos

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