Frontiers in public health · 2025
Impact of an 8-week high-intensity bodyweight interval training on body composition and blood lipid metabolism in young women with overweight.
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Yamaner Emre, Turğut Tuna, Aksoy Ayşe, Demirkıran Burhan, Uçar Mine Akkuş, Başoğlu Burhan, Çamiçi Furkan, Yanar Muhammed Said, Bülbül Alpay, Koç Ahmet Ferdi, Ceylan Tülay, Ceylan Levent, Küçük Hamza
Аннотация
BACKGROUND: A physically inactive lifestyle is associated with an increased risk of obesity, dyslipidemia and metabolic disorders, especially in women. While high-intensity training methods have been extensively studied in male populations, the physiological and metabolic effects of high-intensity interval resistance training (HIIRT) in overweight women are understudied. The aim of this study was to investigate the effects of an 8-week HIIRT program on body composition and lipid metabolism in women.
METHODS: A total of 30 women (mean age: 23.13 ± 4.03 years, mean BMI: 31.21 ± 2.92 kg/m2) participated in an 8-week HIIRT program. Body composition was measured before and after the intervention using bioelectrical impedance analysis (BIA), while blood lipid parameters (triglycerides, total cholesterol, LDL, and HDL) were analyzed. Paired-sample t-tests were performed to determine the significance of the changes in body composition and lipid metabolism, using Cohen's d effect size for interpretation.
RESULTS: The HIIRT program led to significant improvements in body composition, with body weight decreasing by 11.4 kg (p = 0.001, d = 0.96) and fat percentage decreasing by 3.1% (p = 0.001, d = 0.92). In addition, blood lipid profiles improved significantly, with triglycerides (-8.9 mg/dL, p = 0.001, d = 0.81, medium effect), total cholesterol (-19.7 mg/dL, p = 0,020, d = 1.98, large effect), and LDL (-8.2 mg/dL, p = 0.004, d = 1.96, large effect) decreased, while HDL increased by +10 mg/dL (p = 0.006, d ≥ 2.0, very large effect). These results underline the positive effects of HIIRT on lipid metabolism and cardiovascular health.
CONCLUSION: The results suggest that HIIRT is an effective and time-efficient training model for improving body composition and metabolic health in women. The combination of high-intensity interval training principles with resistance exercise optimizes fat oxidation, improves fat metabolism and supports cardiovascular function. Given its efficacy, HIIRT could be a valuable strategy for treating metabolic disorders and reducing the risks of physically inactive behavior. Future research should focus on long-term adaptations and individual variability in metabolic responses to optimize HIIRT programs for broader populations.
METHODS: A total of 30 women (mean age: 23.13 ± 4.03 years, mean BMI: 31.21 ± 2.92 kg/m2) participated in an 8-week HIIRT program. Body composition was measured before and after the intervention using bioelectrical impedance analysis (BIA), while blood lipid parameters (triglycerides, total cholesterol, LDL, and HDL) were analyzed. Paired-sample t-tests were performed to determine the significance of the changes in body composition and lipid metabolism, using Cohen's d effect size for interpretation.
RESULTS: The HIIRT program led to significant improvements in body composition, with body weight decreasing by 11.4 kg (p = 0.001, d = 0.96) and fat percentage decreasing by 3.1% (p = 0.001, d = 0.92). In addition, blood lipid profiles improved significantly, with triglycerides (-8.9 mg/dL, p = 0.001, d = 0.81, medium effect), total cholesterol (-19.7 mg/dL, p = 0,020, d = 1.98, large effect), and LDL (-8.2 mg/dL, p = 0.004, d = 1.96, large effect) decreased, while HDL increased by +10 mg/dL (p = 0.006, d ≥ 2.0, very large effect). These results underline the positive effects of HIIRT on lipid metabolism and cardiovascular health.
CONCLUSION: The results suggest that HIIRT is an effective and time-efficient training model for improving body composition and metabolic health in women. The combination of high-intensity interval training principles with resistance exercise optimizes fat oxidation, improves fat metabolism and supports cardiovascular function. Given its efficacy, HIIRT could be a valuable strategy for treating metabolic disorders and reducing the risks of physically inactive behavior. Future research should focus on long-term adaptations and individual variability in metabolic responses to optimize HIIRT programs for broader populations.