This study investigated the effects of two exercise modalities: high-intensity interval training (HIIT) and maximal fat oxidation (FATmax) exercise on fat loss in overweight young women. Participants were randomly assigned to either the HIIT or FATmax group, underwent an 8-week supervised exercise intervention.

This study aims to compare the effects of HIIT and FATmax exercise on fat loss in overweight young women. Participants were recruited and randomly assigned to either the HIIT group or the FATmax group. The intervention lasted for 8 weeks, during which participants maintained their usual diet. Both body morphology and body composition were assessed before and after the intervention. In order to recommend exercise strategy for overweight young women reduce fat and improve their health.

Inclusion Criteria:

• Female, aged between 18 and 30 years.
• Overweight, BMI greater than 24.0 kg·m-2.
• Participants Lack of exercise habits.
• Participants Without significant fluctuation in weight.

Exclusion Criteria:

• Participants took drugs affecting metabolism and hormones during the experimental period.
• Participants had a history of oral weight loss pills and contraceptive pills.
• Participants had a history of smoking, alcohol consumption, or daily consumption of caffeine-containing beverages.
• Participants had cardiovascular or basal metabolic disorders, such as hypertension, coronary heart disease, or diabetes mellitus.
• Participants had other acute or chronic injuries related to exercise.