High-Intensity Interval Circuit Training Versus Moderate-Intensity Continuous Training on Cardiorespiratory Fitness in Middle-Aged and Older Women: A Randomized Controlled Trial

Ismael Ballesta-García, Ignacio Martínez-González-Moro, Domingo J Ramos-Campo and María Carrasco-Poyatos
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Ismael Ballesta-García: Physical Exercise and Human Performance Research Group, University of Murcia, 30003 Murcia, Spain
Ignacio Martínez-González-Moro: Physical Exercise and Human Performance Research Group, University of Murcia, 30003 Murcia, Spain
Domingo J Ramos-Campo: Department of Physical Activity and Sport Sciences, UCAM Research Centre for High Performance Sport, Catholic University of San Antonio de Murcia, 30107 Murcia, Spain
María Carrasco-Poyatos: Department of Education, Health and Public Administration Research Center, University of Almeria, 04120 Almeria, Spain

IJERPH, 2020, vol. 17, issue 5, 1-13

Abstract: High-intensity interval training (HIIT) has similar or better effects than moderate-intensity continuous training (MICT) in increasing peak oxygen consumption (VO 2max ), however, it has not been studied when HIIT is applied in a circuit (HIICT). The aim of this study was to compare the effects of a HIICT versus MICT on VO 2max estimated (VO 2max -ES), heart rate (HR) and blood pressure (BP) of middle-aged and older women. A quasi-experimental randomized controlled trial was used. Fifty-four women (67.8 ± 6.2 years) were randomized to either HIICT ( n = 18), MICT ( n = 18) or non-exercise control group (CG; n = 18) for 18 weeks. Participants in HIICT and MICT trained two days/week (one hour/session). Forty-one participants were assessed (HIICT; n = 17, MICT; n = 12, CG; n = 12). Five adverse events were reported. Cardiorespiratory fitness, HR and BP were measured. The tests were performed before and after the exercise intervention programs. VO 2max -ES showed significant training x group interaction, in which HIICT and MICT were statistically superior to CG. Moreover, HIICT and MICT were statistically better than CG in the diastolic blood pressure after exercise (DBP ex ) interaction. For the systolic blood pressure after exercise (SBP ex ), HIICT was statistically better than CG. In conclusion, both HIICT and MICT generated adaptations in VO 2max -ES and DBP ex . Furthermore, only HIICT generated positive effects on the SBP ex . Therefore, both training methods can be considered for use in exercise programs involving middle-aged and older women.

Keywords: high-intensity interval circuit training; peak oxygen consumption; middle-aged; older; women (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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