Effects of 6 Weeks of Traditional Resistance Training or High Intensity Interval Resistance Training on Body Composition, Aerobic Power and Strength in Healthy Young Subjects: A Randomized Parallel Trial

Tatiana Moro, Giuseppe Marcolin, Antonino Bianco, Francesco Bolzetta, Linda Berton, Giuseppe Sergi and Antonio Paoli
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Tatiana Moro: Department of Biomedical Sciences, University of Padova, 35122 Padova, Italy
Giuseppe Marcolin: Department of Biomedical Sciences, University of Padova, 35122 Padova, Italy
Antonino Bianco: Department of Psychology, Educational Science and Human Movement, University of Palermo, 90133 Palermo, Italy
Francesco Bolzetta: Department of Medicine, University of Padova, 35122 Padova, Italy
Linda Berton: Department of Medicine, University of Padova, 35122 Padova, Italy
Giuseppe Sergi: Department of Medicine, University of Padova, 35122 Padova, Italy
Antonio Paoli: Department of Biomedical Sciences, University of Padova, 35122 Padova, Italy

IJERPH, 2020, vol. 17, issue 11, 1-15

Abstract: Consistent practice of physical activity has well known positive effects on general health; however, time for exercise remains one major barrier for many. An acute bout of high intensity interval resistance training (HIIRT) increases acute resting energy expenditure (REE) and decreases respiratory ratio (RR), suggesting its potential role on weight loss and increased fatty acid oxidation. The aim of this study was to test the long-term effect of HIIRT on body composition, lipid profile and muscle strength using a randomized parallel trial. Twenty healthy young adults (22.15 ± 1.95 years) were randomized to perform either a HIIRT (N = 11) protocol, consisting of three sets of 6 repetitions at 6 repetition maximum (RM) and then 20 seconds of rest between repetitions until exhaustion repeated for 3 times with 2′30″ rest between sets or a traditional training (TRT, N = 9) protocol of 3 sets of 15 reps with 75 sec of rest between sets. Body composition, resting energy metabolism, aerobic capacity, muscle strength and blood measurements were taken before and after 8 weeks of training. Both protocols enhanced muscle strength, but only HIIRT improved endurance strength performance (+22.07%, p < 0.05) and lean body mass (+2.82%, p < 0.05). REE and RR were unaltered as lipid profile. HIIRT represents a valid training method to improve muscle strength and mass, but its role on body weight control was not confirmed.

Keywords: resistance training; high intensity; recovery time; physical fitness; strength (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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