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Medicina dello Sport 2020 March;73(1):70-80

DOI: 10.23736/S0025-7826.20.03618-2


language: English, Italian

Cardiovascular effort intensity and energy expenditure during a Zumba® class and their relationship with weight and age in adult women

Marcelo TUESTA 1, 2, Fernando BARRAZA 3, Rodrigo YAÑEZ-SEPULVEDA 4, Eduardo BÁEZ-SAN MARTIN 5

1 School of Kinesiology, Faculty of Rehabilitation Sciences, Universidad Andres Bello, Viña del Mar, Chile; 2 Laboratory of Cardiorespiratory Physiology, Center of Cardiovascular Rehabilitation, Dr Jorge Kaplan Meyer Foundation, Viña del Mar, Chile; 3 School of Education, Pedagogy in Physical Education, Viña del Mar University, Viña del Mar, Chile; 4 Faculty of Philosophy and Education, Pontifical Catholic University of Valparaíso, Valparaíso, Chile; 5 Department of Sports and Recreation, Faculty of Physical Activity and Sports Sciences, University of Playa Ancha, Valparaíso, Chile


BACKGROUND: A maximal-moderate intensity and high energy expenditure during an aerobic training such as Zumba® fitness are recommended to promote healthy body weight. However, age and ponderal status could affect the achievement of these results. The aim of this study was to observe the effect of the ponderal status and age on cardiovascular intensity, physical effort and energy expenditure in women during a Zumba® class.
METHODS: Heart rate (HR) and perceived exertion were measured in 101 women during one-hour Zumba® class. Energy expenditure was estimated from HR. Participants were classified as normal weight, overweight, and obese based on the Body Mass Index (BMI).
RESULTS: Obese women spent a shorter amount of time in maximal intensity HR (2.91±11.5% of class time) compared with normal weight (11.74±20.4 % of class time) and overweight women (11.20±18.6% of class time) with P<0.05. However, this group remained at least ~52 min into moderate-maximal intensity. Relative energy expenditure was lower in obese (4.35 kcal/kg) than normal weight (7.54 kcal/kg) and overweight women (6.42 kcal/kg) with P<0.05. Total energy expenditure for obese women was ~380 kcal. A highest BMI was associated with a lower relative (r=-0.68; P<0.0001) and absolute (r=-0.26; P<0.008) energy expenditure, and older age was related to a lower HRmean (r=-0.29; P<0.05) and HRmax (r=-0.34; P<0.05) respectively.
CONCLUSIONS: A Zumba® class can facilitate reaching the cardiovascular intensity and relative energy expenditure required for weight control and lowering cardiometabolic risk in women. However, it is necessary to consider ponderal status and age to achieve the goals of improving cardiovascular fitness using Zumba® training.

KEY WORDS: Anaerobic threshold; Exercise; Nutritional status; Physical exertion; Energy metabolism

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