运动单元发射模式的变化与老年未经治疗但未经治疗的高血压成年人的运动后血压反应有关
Ryosuke Takeda1, Tetsuya Hirono1,2, Akito Yoshiko3
1Laboratory of Neuromuscular Biomechanics, School of Health and Sport Science, Chukyo University, Toyota, Japan.
Experimental physiology
|October 29, 2024
概括
患有高血压的老年人表现出改变了运动单元的发动模式,特别是在较大的运动单元中. 这些模式与未经治疗的高血压患者的运动后血压变化相关,这表明神经肌肉功能和心血管反应之间存在联系.
科学领域:
- 神经肌肉生理学 神经肌肉生理学
- 心血管健康 心血管健康
- 衰老研究研究 衰老研究
背景情况:
- 高血压是老年人普遍存在的疾病,影响心血管和神经肌肉系统.
- 运动单元 (MU) 发射模式对于肌肉力量控制至关重要,并且可以因衰老和疾病而改变.
- 在高血压的老年人中,MU活动和运动后血压 (BP) 调节之间的关系仍然不清楚.
研究的目的:
- 为了比较高血压 (接受治疗和未接受治疗) 和正常血压的老年人之间的运动单元发射模式.
- 为了研究MU发射模式与运动后缩血压 (SBP) 响应之间的关联.
主要方法:
- 使用高密度表面电肌图 (EMG) 来记录膝盖伸展炼期间的运动单元活动.
- 发动机单元的发射率 (FR) 和招募值在升级收缩期间进行了评估.
- MUFR和招聘门之间的线性回归的斜率标志着MU的解雇模式.
- 在运动前和运动后测量血压.
主要成果:
- 与未经治疗的高血压和正常血压组相比,治疗高血压个体的运动单元发射率 (MUFR) 较低.
- 虽然MU整体发射模式的斜率在不同组之间没有显著差异,但在接受治疗的高血压和正常血压个体中,较大的MU表现出较低的FR.
- 在未经治疗的高血压患者中,MUFR和射击模式的斜率与运动后SBP的变化呈正相关.
结论:
- 接受过治疗的高血压老年人表现出运动单元发射率的降低.
- 运动单元的发射模式与运动后血压变化有关,特别是在未经治疗的高血压的老年人中.
- 这些发现突出了高血压中潜在的神经肌肉适应以及它们与老年人群中运动诱导的血液动力学反应的联系.
相关概念视频
01:18Hypertension and Regulation of Blood Pressure
1.9K
Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
1.9K
01:28Special considerations while measuring blood pressure
705
When assessing blood pressure (BP), healthcare professionals must consider various factors and potential unexpected outcomes to ensure accurate readings and provide proper patient care. Adhering to these guidelines is essential to achieving the most reliable results.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
705
01:18Neural Regulation of Blood Pressure
2.7K
The neural regulation of blood pressure involves intricate interactions between the autonomic nervous system (ANS) and cardiovascular system, ensuring adequate perfusion of tissues. This regulation primarily occurs through baroreceptor and chemoreceptor reflexes, involving both short-term and long-term mechanisms.
Baroreceptor Reflex
Baroreceptors, located in the carotid sinuses and aortic arch, detect changes in blood pressure. When blood pressure rises, these stretch-sensitive receptors...
Baroreceptor Reflex
Baroreceptors, located in the carotid sinuses and aortic arch, detect changes in blood pressure. When blood pressure rises, these stretch-sensitive receptors...
2.7K
01:30Alterations in Blood Pressure
1.2K
Alterations in blood pressure, such as hypertension (high blood pressure) and hypotension (low blood pressure), significantly affect human health. Understanding these conditions' classifications, causes, and symptoms is essential for effective management and treatment.
Hypertension (High blood pressure)
Hypertension occurs when blood pressure readings consistently exceed the normal range. It is diagnosed when systolic blood pressure (the top number, indicating pressure while the heart...
Hypertension (High blood pressure)
Hypertension occurs when blood pressure readings consistently exceed the normal range. It is diagnosed when systolic blood pressure (the top number, indicating pressure while the heart...
1.2K
01:28Factors affecting Blood pressure
3.0K
Several physiological and lifestyle factors influence blood pressure (BP). Understanding these factors is crucial as they are significant in patient education and blood pressure management.
Physiological Factors:
Physiological Factors:
3.0K
01:30Blood Pressure
1.0K
Blood pressure (BP) is the pressure or force of blood exerted on the artery's walls as it circulates through the body. It is essential for maintaining blood flow throughout the body.
The average BP in an adult is typically around 120/80 mmHg (millimeters of mercury). In this measurement, the numerator (120) indicates the systolic pressure, which is the pressure in the arteries during the contraction of the heart's ventricles as blood is expelled. The denominator (80) represents the...
The average BP in an adult is typically around 120/80 mmHg (millimeters of mercury). In this measurement, the numerator (120) indicates the systolic pressure, which is the pressure in the arteries during the contraction of the heart's ventricles as blood is expelled. The denominator (80) represents the...
1.0K