The Impact of Different High-Intensity Interval Training Protocols on Body Composition and Physical Fitness in Healthy Young Adult Females

Although traditional high-intensity interval training (HIIT) has been effective in improving body composition and physical fitness, it is unclear how multimodal HIIT affects these variables. This study compared the differences between these two training programs on body composition and physical fitn...

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Bibliographic Details
Published in:BioResearch open access 2018-12, Vol.7 (1), p.177-185
Main Authors: Brown, Elise C, Hew-Butler, Tamara, Marks, Charles R C, Butcher, Scotty J, Choi, Myung D
Format: Article
Language:English
Subjects:
Adipose tissue
Body composition
Body fat
Body mass index
Bone density
Bone mass
Bone mineral content
Exercise
Females
Fitness
Health sciences
Interval training
Intervention
Muscle strength
Original
Physical fitness
Physical training
Researchers
Rowing
Standard deviation
Strength training
Studies
Weightlifting
Young adults
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Summary:Although traditional high-intensity interval training (HIIT) has been effective in improving body composition and physical fitness, it is unclear how multimodal HIIT affects these variables. This study compared the differences between these two training programs on body composition and physical fitness in apparently healthy, nonobese young adult females. A total of 16 participants (mean age = 23 ± 5.08 years) completed a 12-week HIIT intervention with two treatment groups: rowing and multimodal. Immediately before and after the intervention, the following measures were assessed: body mass index (BMI), total body mass, waist circumference, waist-to-height ratio, total body fat %, visceral adipose tissue, lean mass, bone mineral outcomes, cardiovascular fitness, and muscular fitness. A general linear model with repeated measures was used to assess changes over time for the group as a whole, as well as between-group differences. For the group as a whole, there were significant decrease in total body fat % (  = 0.04) and significant increases in BMI (  = 0.015), total body mass (  = 0.003), lean mass (  
ISSN:2164-7844
2164-7860
2164-7860
DOI:10.1089/biores.2018.0032