Journal of Obesity

Research Article

The Effect of High-Intensity Intermittent Exercise on Body Composition of Overweight Young Males

Table 1

Change in body composition, aerobic power, resting heart rate, RQ, resting energy expenditure, carbohydrate, and fat oxidation for the high-intensity intermittent exercise and no exercise control group ( 𝑁 = 3 8 ; mean and standard error).
ExerciseControl
Pre*PostPre*Post
Weight (kg) 8 7 . 8 ± 2 . 7 8 6 . 3 ± 2 . 7 ∗ ∗ 89 ± 2.9 8 9 . 4 ± 3 . 1
BMI (kg m−2) 2 8 . 4 ± 0 . 5 2 7 . 9 ± 0 . 5 ∗ ∗ 29 ± 0.9 2 9 . 1 ± 0 . 9
Waist circumference (cm) 9 3 . 3 ± 1 . 4 8 9 . 8 ± 1 . 4 ∗ ∗ 9 3 . 7 ± 1 . 9 9 5 . 1 ± 1 . 9
Fat mass (kg) 2 9 . 8 ± 1 . 6 2 7 . 8 ± 1 . 5 ∗ ∗ 3 1 . 7 ± 2 . 2 3 1 . 8 ± 2 . 3
% Fat mass 3 4 . 8 ± 1 . 1 3 2 . 8 ± 1 . 1 ∗ ∗ 3 6 . 3 ± 1 . 4 3 6 . 0 ± 1 . 5
Fat-free mass (kg) 5 4 . 3 ± 1 . 5 5 5 . 5 ± 1 . 4 ∗ ∗ 5 3 . 8 ± 1 . 3 5 4 . 2 ± 1 . 3
̇ V O2peak (l min−1) 3 . 0 ± 0 . 1 3 . 4 ± 0 . 1 ∗ ∗ 2 . 6 ± 0 . 1 2 . 7 ± 0 . 1
̇ V O2peak (mL kg−1 min−1) 3 4 . 2 ± 1 . 0 3 9 . 4 ± 0 . 8 ∗ ∗ 2 9 . 1 ± 1 . 3 3 0 . 6 ± 1 . 4
Work output (watts) 2 4 6 . 3 ± 8 . 1 2 8 9 . 8 ± 8 . 0 ∗ ∗ 2 2 4 . 4 ± 7 . 3 2 2 5 . 9 ± 6 . 3
HR (bpm) 6 2 . 2 ± 2 . 5 5 7 . 9 ± 1 . 8 ∗ ∗ 6 2 . 7 ± 2 . 0 6 3 . 7 ± 1 . 7
RQ 0 . 8 5 ± 0 . 0 1 0 . 8 3 ± 0 . 0 1 ∗ ∗ 0 . 8 2 ± 0 . 0 2 0 . 8 6 ± 0 . 0 1
REE (Kcal/day)1793 ± 541841 ± 561788 ± 581794 ± 53
Carbohydrate oxidation (g/day) 2 3 2 . 6 ± 1 4 . 3 2 0 1 . 5 ± 1 3 . 1 ∗ ∗ 1 8 6 . 7 ± 2 2 . 3 2 5 2 . 1 ± 2 1 . 2
Fat oxidation (g/day) 9 3 . 8 ± 6 . 6 1 0 6 . 1 ± 6 . 5 ∗ ∗ 1 1 0 . 2 ± 1 0 . 0 8 2 . 0 ± 1 0 . 9
* Pre vales were used as covariates for ANCOVA.
∗ ∗ 𝑃 < 0 . 0 5 , change in exercise group significantly greater compared to that of control group. BMI: body mass index; REE: resting energy expenditure; HR: heart rate; RQ: respiratory quotient; REE: resting energy expenditure.