The response of selected adipokines and insulin resistance to interval resistance training with different intensities in men with obesity

This study aimed to evaluate the effect of 12 weeks of interval resistance training with different intensities (low, medium and high) on bone morphogenetic protein 2 (BMP-2), bone morphogenetic protein 4 (BMP-4) and insulin resistance in obese men.

Forty-four obese not trained men, after determining 1RM and based on anthropometric characteristics were divided into the control, low-intensity interval resistance training, medium-intensity interval resistance training, high-intensity interval resistance training groups (in each group, n=11). The protocol of interval resistance training includes 8 movements which were periodic and in different intensities in the form of 3 Set 10 repetitions with 80% 1 RM, rest between sets active, and with 20% intensity and the number of repetitions 15 in the high-intensity group, in the medium intensity group in the form of 3 sets 13 repetitions with 60% RM, resting active sets with 20% intensity and number 15 repetitions and in the low-intensity group in the form of 3 sets of 20 repetitions with 40% 1 RM, rest between sets was active with 20% intensity and the number of repetitions was 15. The first fasting blood sample was obtained 48 hours before and the second blood sample was collected 48 hours after a twelve-week training period. Then the measurements were performed.

The 12 weeks of interval resistance training with different intensities in the training groups led to a significant decrease in BMP-2 and insulin resistance compared to the control group (P < 0.001) but for BMP-4 these decreases were not significant (P = 0.055).

The study showed that different intensities of resistance interval training, especially moderate and high intensity training, can decrease the BMP-2, BMP-4 levels and improve insulin resistance.