Physical Education and Sports Department, Federal University of Rio de Janeiro, Rio de Janeiro 21941-901, Brazil.
Estácio de Sá University (UNESA), Rio de Janeiro 20261-063, Brazil.
Int J Environ Res Public Health. 2022 May 29;19(11):6628. doi: 10.3390/ijerph19116628.
Aging decreases some capacities in older adults, sarcopenia being one of the common processes that occur and that interfered with strength capacity. The present study aimed to verify the acute effect of IPC on isometric handgrip strength and functional capacity in active elderly women.
In a single-blind, placebo-controlled design, 16 active elderly women (68.1 ± 7.6 years) were randomly performed on three separate occasions a series of tests: (1) alone (control, CON); (2) after IPC (3 cycles of 5-min compression/5-min reperfusion at 15 mmHg above systolic blood pressure, IPC); and (3) after placebo compressions (SHAM). Testing included a handgrip isometric strength test (HIST) and three functional tests (FT): 30 s sit and stand up from a chair (30STS), get up and go time (TUG), and 6 min walk distance test (6MWT).
HIST significantly increased in IPC (29.3 ± 6.9 kgf) compared to CON (27.3 ± 7.1 kgf; 7.1% difference; = 0.01), but not in SHAM (27.7 ± 7.9; 5.5%; = 0.16). The 30STS increased in IPC (20.1 ± 4.1 repetitions) compared to SHAM (18.5 ± 3.5 repetitions; 8.7%; = 0.01) and CON (18.5 ± 3.9 repetitions; 8.6%; = 0.01). TUG was significantly lower in IPC (5.70 ± 1.35 s) compared to SHAM (6.14 ± 1.37 s; -7.2%; = 0.01), but not CON (5.91 ± 1.45 s; -3.7%; = 0.24). The 6MWT significantly increased in IPC (611.5 ± 93.8 m) compared to CON (546.1 ± 80.5 m; 12%; = 0.02), but not in SHAM (598.7 ± 67.6 m; 2.1%; = 0.85).
These data suggest that IPC can promote acute improvements in handgrip strength and functional capacity in active elderly women.
衰老会降低老年人的一些能力，肌肉减少症是常见的发生过程之一，会影响力量能力。本研究旨在验证缺血预适应（IPC）对活跃老年女性等长握力和功能能力的急性影响。
在一项单盲、安慰剂对照设计中，16 名活跃的老年女性（68.1 ± 7.6 岁）随机在三个不同的时间进行一系列测试：（1）单独进行（对照，CON）；（2）IPC 后（3 个循环，每个循环持续 5 分钟，压力为收缩压以上 15mmHg，然后再进行 5 分钟再灌注，IPC）；（3）安慰剂压缩后（SHAM）。测试包括握力等长力量测试（HIST）和三个功能测试（FT）：30 秒从椅子上坐立和站立测试（30STS）、起身行走时间测试（TUG）和 6 分钟步行距离测试（6MWT）。
与 CON（27.3 ± 7.1kgf；7.1%差异； = 0.01）相比，IPC 显著增加了 HIST（29.3 ± 6.9kgf；7.1%差异； = 0.01），但 SHAM 没有增加（27.7 ± 7.9；5.5%； = 0.16）。与 SHAM（18.5 ± 3.5 次）和 CON（18.5 ± 3.9 次）相比，IPC 中 30STS 增加（20.1 ± 4.1 次）。TUG 在 IPC 中明显较低（5.70 ± 1.35 秒），与 SHAM（6.14 ± 1.37 秒；-7.2%； = 0.01）相比，与 CON（5.91 ± 1.45 秒；-3.7%； = 0.24）相比。与 CON（546.1 ± 80.5m；12%； = 0.02）相比，IPC 中 6MWT 显著增加（611.5 ± 93.8m），但 SHAM 没有增加（598.7 ± 67.6m；2.1%； = 0.85）。
这些数据表明，IPC 可以促进活跃老年女性握力和功能能力的急性改善。
Zotero 插件