Effect of high-intensity circuit training on obesity indices, physical fitness, and browning factors in inactive female college students
The recently discovered myokines, irisin and fibroblast growth fac-tor-21, have emerged beneficial for metabolic health due to their role in regulating browning. This study examined the effects of high-intensity circuit training on obesity indices, physical fitness, and irisin and fibro-blast growth...
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Veröffentlicht in: | Journal of exercise rehabilitation 2021, 17(3), 73, pp.207-213 |
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Sprache: | eng |
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Zusammenfassung: | The recently discovered myokines, irisin and fibroblast growth fac-tor-21, have emerged beneficial for metabolic health due to their role in regulating browning. This study examined the effects of high-intensity circuit training on obesity indices, physical fitness, and irisin and fibro-blast growth factor-21 levels in inactive female college students. Ten fe-male college students performed high-intensity circuit training (jogging, stretching, squat jumps, arm walking and push-ups, lunge jumps, burpee test, mountain climbers, side steps, and crunches and side crunches exercises). The exercise program consisted of 40 min of cir-cuit training at 60%–80% hear rate reserve and was conducted 3 times per week for 4 weeks. The body composition, physical fitness, and con-centration of plasma irisin and fibroblast growth factor-21 were ana-lyzed before and after the exercise. The body weight (P=0.001), waist circumference (P=0.003), and body fat percentage (P=0.003) decreased, while the muscular strength (handgrip strength test, P=0.030; sit-ups test, P=0.024) and cardiorespiratory fitness (P=0.001) increased after the exercise program. However, there were no significant changes in the irisin and fibroblast growth factor-21 levels. These results suggest that high-intensity circuit training could be the ideal type of exercise in inactive female college students to induce a positive change in the obe-sity indices and physical fitness. Further studies are needed to deter-mine the effects of exercise on the browning factors. |
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ISSN: | 2288-176X 2288-1778 |
DOI: | 10.12965/jer.2142260.130 |