Clanton T L, Dixon G, Drake J, Gadek J E
Chest. 1985 Jan;87(1):62-6. doi: 10.1378/chest.87.1.62.
We demonstrate the effectiveness of a new conditioning technique for increasing the strength and endurance of the inspiratory muscles. The technique employs a threshold loading device which allows for maximization of exercise intensity with a minimum of exercise duration. After ten weeks, with approximately 25 minutes of exercise time per week, four test subjects showed an average increase in maximum inspiratory pressure (PImax) of 50 (+/- 9 SD) cm H2O (p less than 0.02), whereas four control subjects undergoing submaximal inspiratory muscle exercise showed no significant change. The time the test subjects could endure 65 percent of their prestudy PImax increased from an average of 3.58 +/- 1.65 SD min to over 10 min in all four subjects. No significant change was seen in control subjects. Further testing showed the test subjects could endure 100 percent of their prestudy PImax after conditioning for an average duration 5.15 +/- 1.65 min. This technique should be useful for conditioning the inspiratory muscles in subjects with pulmonary disease.
我们证明了一种新的训练技术对于增强吸气肌力量和耐力的有效性。该技术采用了一种阈值负荷装置，能够在最短的运动时间内使运动强度最大化。十周后，每周约有25分钟的运动时间，四名受试对象的最大吸气压（PImax）平均增加了50（±9标准差）cm H2O（p<0.02），而四名进行次最大吸气肌运动的对照对象则无显著变化。受试对象能够耐受其研究前PImax的65%的时间，在所有四名受试对象中，从平均3.58±1.65标准差分钟增加到超过10分钟。对照对象未见显著变化。进一步测试表明，受试对象在训练后平均持续5.15±1.65分钟后能够耐受其研究前PImax的100%。这项技术对于肺部疾病患者的吸气肌训练应该是有用的。
