启发性肌肉训练对老年人胸腔腹部体积调节的影响:一项随机对照试验
James Manifield1, Charikleia Alexiou1, Dimitrios Megaritis1
1Department of Sport, Exercise and Rehabilitation, Northumbria University, Newcastle Upon Tyne NE1 8ST, UK.
Respiratory physiology & neurobiology
|May 12, 2024
概括
启发性肌肉训练 (IMT) 在老年人中显著改善了启发性肌肉力量,并减少了呼吸不适. 这种训练还可以在运动期间增强胸扩张和隔膜功能.
科学领域:
- 运动生理学 运动生理学
- 老年学是指老年学的学科.
- 呼吸系统医学 呼吸系统医学
背景情况:
- 衰老与呼吸道肌肉强度和功能能力的下降有关.
- 启发性肌肉训练 (IMT) 是一个潜在的干预措施,以减轻这些与年龄相关的变化.
- 了解IMT在运动期间对呼吸机制的影响,对于优化训练方案至关重要.
研究的目的:
- 调查IMT在健康老年人运动期间对呼吸肌肉强度,功能能力和呼吸肌肉动力学的影响.
- 评估8周IMT计划后最大吸气压 (PImax),呼吸不适和体力活动水平的变化.
- 在骑自行车时使用光电子囊造影 (OEP) 评估呼吸道肌肉动力学的变化.
主要方法:
- 这是一项随机对照试验,涉及24名健康的老年人,分为IMT和SHAM-IMT组.
- 两组人都接受了为期8周的训练,每天两次以规定的强度进行30次呼吸.
- 关键的结果措施包括PImax,呼吸不适,六分钟的步行距离,体力活动,平衡和OEP衍生的呼吸动力学.
主要成果:
- IMT组在PImax (20.0±11.9cmH2O) 中显著改善,呼吸不适减少.
- 在IMT组中观察到每日静坐时间的显著减少和反应平衡的改善.
- OEP分析显示,肺部和腹部肋骨对IMT后的潮体积膨胀有更大的贡献.
结论:
- 在健康的老年人中,IMT是一种有效的干预措施,可以增强灵感肌肉的力量,并减少感知到的呼吸不适.
- 在运动期间,IMT促进了更有效的胸部扩张和增加腹膜发电.
- 这些发现表明IMT可以对老年人群的呼吸功能和身体表现产生积极影响.
相关概念视频
Pulmonary Ventilation: Inhalation
3.6K
Pulmonary ventilation is a vital process that ensures the exchange of oxygen and carbon dioxide in the lungs. It refers to the movement of air into and out of the lungs, enabling the body to obtain oxygen and remove waste carbon dioxide. In this article, we will explore the intricacies of pulmonary ventilation, including its underlying principles, mechanisms, and the interplay of pressures within the respiratory system.
Boyle's law becomes particularly pertinent when examining respiratory...
Boyle's law becomes particularly pertinent when examining respiratory...
3.6K
Respiratory Volumes
1.5K
Respiratory volumes are crucial metrics, meticulously measured to quantify the air exchanged in and out of the lungs during various phases of the breathing cycle. These precise measurements are vital for assessing lung function, diagnosing respiratory conditions, and monitoring overall respiratory health. Each parameter provides specific insights into the mechanics of breathing and the functional capacity of the lungs.
Tidal Volume (TV) Tidal volume (TV) is the air inhaled or exhaled in a...
Tidal Volume (TV) Tidal volume (TV) is the air inhaled or exhaled in a...
1.5K
Respiratory Volumes and Capacities I
990
Assessing the respiratory rate and rhythm for a complete minute is crucial for evaluating the breathing pattern. Even a minor increase in the patient's average respiratory rate, by as little as three to five breaths per minute, is an early and vital indicator of respiratory distress. Patients with a respiratory rate exceeding twenty-four breaths per minute require close monitoring to determine the physiological alterations. This careful observation is essential for prompt recognition and...
990
Respiratory Volumes and Capacities
2.0K
The respiratory system is responsible for the intake of oxygen and the expulsion of carbon dioxide from the body. Respiratory volumes describe the volume of air in the lungs at different phases of the respiratory cycle. Tidal volume is the air breathed in and out during normal, quiet breathing. Inspiratory reserve volume is the air that can be forcefully inspired beyond the tidal volume. In contrast, expiratory reserve volume refers to the air that can be expelled from the lungs after a normal...
2.0K
Mechanism of Breathing III: The Accessory Muscles
2.3K
The Role of Accessory Muscles in the Respiratory System
The respiratory system is a complex network that relies on primary respiratory muscles like the diaphragm, but also involves accessory muscles to enhance lung expansion and airflow during both inhalation and exhalation.
Enhancing Inhalation with Accessory Muscles:
Accessory muscles such as the sternocleidomastoid, scalene, intercostal, and abdominal muscles are crucial when additional respiratory effort is required, such as during deep...
The respiratory system is a complex network that relies on primary respiratory muscles like the diaphragm, but also involves accessory muscles to enhance lung expansion and airflow during both inhalation and exhalation.
Enhancing Inhalation with Accessory Muscles:
Accessory muscles such as the sternocleidomastoid, scalene, intercostal, and abdominal muscles are crucial when additional respiratory effort is required, such as during deep...
2.3K
Pressure Relationships in Thoracic Cavity
2.3K
Breathing, otherwise known as pulmonary ventilation, is the process of air movement into and out of the lungs. The main mechanisms propelling pulmonary ventilation are atmospheric pressure (Patm), intra-pulmonary (Ppul ) or intra-alveolar pressure (Palv) within the alveoli, and intrapleural pressure (Pip) within the pleural cavity.
Breathing Mechanisms
Both intra-alveolar and intrapleural pressures rely on specific lung properties. The ability to breathe—allowing air to enter the lungs...
Breathing Mechanisms
Both intra-alveolar and intrapleural pressures rely on specific lung properties. The ability to breathe—allowing air to enter the lungs...
2.3K


