High-Intensity Interval Training in Female Adolescents with Moderate or Severe Obesity
This study aimed to investigate the impact of moderate- or high-intensity interval training (MIIT or HIIT) on anthropometric and biological measurements in four groups of females with obesity. Fifty-seven participants were divided into a moderate obesity group (MOG, <i>n</i> = 29) and a...
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| Main Authors: | , , , , , , |
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| Format: | Book |
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MDPI AG,
2023-09-01T00:00:00Z.
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| Summary: | This study aimed to investigate the impact of moderate- or high-intensity interval training (MIIT or HIIT) on anthropometric and biological measurements in four groups of females with obesity. Fifty-seven participants were divided into a moderate obesity group (MOG, <i>n</i> = 29) and a severe obesity group (SOG, <i>n</i> = 28). Two sub-groups were established to practice HIIT and MIIT programs (SOG<sub>HI</sub>, <i>n</i> = 14; SOG<sub>MI</sub>, <i>n</i> = 14; MOG<sub>HI</sub>, <i>n</i> = 14; MOG<sub>MI</sub>, <i>n</i> = 15). During the training sessions, each group performed two sets of 4 × 1 min intervals on a cycle ergometer. The intervals were conducted at 65% and 85% of the heart rate reserve (HRR) for MIIT and HIIT, respectively. Between each repetition, there was an active recovery phase at 50% HRR, and, between sets, there was a 4 min period of free pedaling. All groups significantly improved their anthropometric data, while only MOG<sub>HI</sub> and SOG<sub>HI</sub> significantly improved their lean body mass (LBM) and blood lactate (BL), with <i>p</i> ˂ 0.05; the higher percentage of change in blood insulin levels (−25.49 and −25.34) and the homeostasis model assessment of the insulin resistance index (−31.42 and −28.88) were noted. Only MOG<sub>HI</sub> showed improvements in growth hormone (GH) and blood glucose (<i>p</i> < 0.05), which were negatively correlated with body fat percentage (r = −0.76 and r = −0.72) and waist circumference (r = −0.77 and r = −0.82), respectively. We may conclude that HIIT was an effective method of managing anthropometric and biological parameters, as confirmed by the pronounced body fat reduction in the moderate obesity group. |
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| Item Description: | 10.3390/children10091495 2227-9067 |