Dual-task improvement of older adults after treadmill walking combined with blood flow restriction of low occlusion pressure: the effect on the heart-brain axis.

IF 5.2 2区 医学 Q1 ENGINEERING, BIOMEDICAL Journal of NeuroEngineering and Rehabilitation Pub Date : 2024-07-12 DOI:10.1186/s12984-024-01412-y
Yi-Ching Chen, I-Ping Lo, Yi-Ying Tsai, Chen-Guang Zhao, Ing-Shiou Hwang
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Abstract

Objective: This study explored the impact of one session of low-pressure leg blood flow restriction (BFR) during treadmill walking on dual-task performance in older adults using the neurovisceral integration model framework.

Methods: Twenty-seven older adults participated in 20-min treadmill sessions, either with BFR (100 mmHg cuff pressure on both thighs) or without it (NBFR). Dual-task performance, measured through light-pod tapping while standing on foam, and heart rate variability during treadmill walking were compared.

Results: Following BFR treadmill walking, the reaction time (p = 0.002) and sway area (p = 0.012) of the posture dual-task were significantly reduced. Participants exhibited a lower mean heart rate (p < 0.001) and higher heart rate variability (p = 0.038) during BFR treadmill walking. Notably, BFR also led to band-specific reductions in regional brain activities (theta, alpha, and beta bands, p < 0.05). The topology of the EEG network in the theta and alpha bands became more star-like in the post-test after BFR treadmill walking (p < 0.005).

Conclusion: BFR treadmill walking improves dual-task performance in older adults via vagally-mediated network integration with superior neural economy. This approach has the potential to prevent age-related falls by promoting cognitive reserves.

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老年人在跑步机行走并结合低闭塞压血流限制后的双任务改善:对心脑轴的影响。
研究目的本研究采用神经内脏整合模型框架,探讨了在跑步机行走过程中进行一次低压腿部血流限制(BFR)对老年人双任务表现的影响:27名老年人参加了20分钟的跑步机训练,其中有的进行了BFR(双大腿100毫米汞柱袖带压力),有的没有进行BFR(NBFR)。通过在泡沫上站立时敲击光柱来测量双任务表现,并对跑步机行走时的心率变异性进行比较:结果:在 BFR 跑步机上行走后,姿势双重任务的反应时间(p = 0.002)和摇摆面积(p = 0.012)明显减少。参与者的平均心率也有所降低(p 结论:BFR 跑步机行走改善了姿势双重任务的反应时间和摇摆面积(p = 0.002):BFR 跑步机行走通过迷走神经介导的网络整合和卓越的神经经济性提高了老年人的双任务表现。这种方法有可能通过促进认知储备来预防与年龄相关的跌倒。
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来源期刊
Journal of NeuroEngineering and Rehabilitation
Journal of NeuroEngineering and Rehabilitation 工程技术-工程:生物医学
CiteScore
9.60
自引率
3.90%
发文量
122
审稿时长
24 months
期刊介绍: Journal of NeuroEngineering and Rehabilitation considers manuscripts on all aspects of research that result from cross-fertilization of the fields of neuroscience, biomedical engineering, and physical medicine & rehabilitation.
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