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. 2020 May 1;19(2):374–382.

Table 2.

Data of hormones in BFR and non-BFR groups. Data are means ± SD.

Variables Group Baseline Acute 1 Acute 2 Adaptation
Growth hormone
(ng/mL)
BFR 0.83 ± 0.12 8.56 ± 3.17*# 2.53 ± 1.32* 1.10 ± 0.36
non-BFR 0.87 ± 0.05 3.92 ± 1.47* 1.68 ± 0.07* 0.89 ± 0.06
Testosterone
(ng/mL)
BFR 5.52 ± 0.67 8.55 ± 1.43*# 7.52 ± 0.96* 6.63 ± 0.97
non-BFR 4.75 ± 0.73 6.08 ± 1.29* 6.33 ± 0.58* 5.55 ± 0.99
Cortisol
(ng/mL)
BFR 108.83 ± 15.77 185.82 ± 13.74* 156.83 ± 42.47* 112.80 ± 28.73
non-BFR 109.27 ± 25.45 194.02 ± 11.07* 153.48 ± 35.49 104.80 ± 12.15
Ratio
(%)
BFR 0.051 ± 0.006 0.046 ± 0.007# 0.050 ± 0.011 0.061 ± 0.011*
non-BFR 0.051 ± 0.01 0.032 ±0.007* 0.044 ± 0.014 0.053 ± 0.010

BFT, blood flow restriction; baseline, before getting pre-testing; Acute1, immediately after first session; Acute 2, immediately after last session; adaptation, 48 h after last training session.

* intragroup significant differences with Baseline at p < 0.05;

# intergroup significant differences at p < 0.05.