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

International Journal of Environmental Research and Public Health
Tatiana MoroAntonio Paoli

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)...Continue Reading

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Citations

Dec 29, 2020·Archives of Physiology and Biochemistry·Ayoub SaeidiHassane Zouhal
Oct 30, 2020·International Journal of Environmental Research and Public Health·Dirk Aerenhouts, Eva D'Hondt
May 20, 2021·Journal of Sports Medicine·Timothy A RengersElise C Brown
Jul 10, 2021·Journal of American College Health : J of ACH·Ewelina BledniakTricia Z King

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Methods Mentioned

BETA
sandwich immunoassay
pulldown

Software Mentioned

XCT
HIIRT
Fitnext
GraphPad QuickCalcs
Prism

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