J Aging Phys Act. 2021 Jun 1;29(3):361-371. doi: 10.1123/japa.2020-0137. Epub 2020 Dec 29.
To compare the acute effects of two resistance exercise sessions with different partial blood flow restrictions (BFR) on hemodynamic parameters and cardiac autonomic modulation in older women with metabolic syndrome.
Thirty-nine older women (64.4 ± 4.5 years) were allocated into three groups: BFR0 = resistance exercise (20%, 1 maximum repetition [MR]) + 0% BFR; BFR60 = 20% 1 MR resistance exercise + 60% BFR; and BFR80 = 20% 1MR resistance exercise + 80% BFR.
A reduction of 14 mmHg (BFR60 group) and 13 mmHg (BRF80 group) was observed 48 hr after the first exercise session, while vagal modulation was increased in the BRF60 group after 24 and 48 hr.
A low-intensity resistance exercise session with 60% and 80% of BFR resulted in blood pressure (systolic, diastolic, and mean) reduction and positive changes on heart rate variability after 24 h of a RE session.
比较两种不同部分血流量限制（BFR）的抗阻运动对代谢综合征老年女性血流动力学参数和心脏自主神经调节的急性影响。
39 名老年女性（64.4±4.5 岁）分为三组：BFR0=抗阻运动（20%，1 次最大重复[MR]）+0% BFR；BFR60=20% 1MR 抗阻运动+60% BFR；BFR80=20% 1MR 抗阻运动+80% BFR。
第一次运动后 48 小时，BFR60 组和 BFR80 组血压（收缩压、舒张压和平均压）分别下降 14mmHg 和 13mmHg，而 BFR60 组在 24 小时和 48 小时后迷走神经调节增加。
低强度抗阻运动，BFR 分别为 60%和 80%，可在 RE 运动后 24 小时降低血压（收缩压、舒张压和平均压），并使心率变异性产生积极变化。
