Cardiac Rehabilitation Program, The University of Kansas Health System, Kansas City.
J Cardiopulm Rehabil Prev. 2019 Mar;39(2):E14-E17. doi: 10.1097/HCR.0000000000000413.
Submaximal exercise tests, such as the 6-min walk test (6MWT), are used to assess and determine changes in cardiorespiratory fitness in cardiopulmonary rehabilitation (CR) programs. However, other modalities such as recumbent steppers are frequently utilized in rehabilitation settings and suit individuals of all ability levels; yet, no self-paced submaximal test has been developed for this exercise modality. The aim of this study was to produce a self-paced, submaximal 6-min recumbent stepper test (6MRST) that is comparable with the 6MWT and can be used as pre- and post-CR assessments.
Seventy subjects participating in CR performed a 6WMT and a 6MRST at the beginning and end of their CR program. Distance exercised, blood pressure, heart rate, and perceived exertion were measured to determine whether the 6MRST was comparable with the 6MWT.
Significant correlations were found between the distance exercised in the 6MWT and the 6MRST during both pre- and post-CR testing (r = 0.540 and r = 0.700, respectively; P < .001). The distance for the 6MRST increased from 1599 to 2101 ft after CR. Heart rate and rating of perceived exertion showed strong correlations between the 6MWT and the 6MRST at both testing time points.
The 6MRST was found to produce similar results to that of the 6MWT in a CR setting. The 6MRST could therefore serve as an alternative to the 6MWT in those patients who cannot adequately perform a 6MWT, in a facility where space may be too limited, and a walking track is not available or simply due to patient or staff preference.
亚极量运动试验，如 6 分钟步行试验（6MWT），用于评估和确定心肺康复（CR）计划中的心肺适应性变化。然而，在康复环境中经常使用其他方式，如卧式踏步器，适用于所有能力水平的个体；然而，尚未为这种运动方式开发自我调节的亚极量测试。本研究的目的是制定一种自我调节的、亚极量的 6 分钟卧式踏步测试（6MRST），与 6MWT 相媲美，并可用于 CR 前后的评估。
70 名参加 CR 的受试者在 CR 计划开始和结束时分别进行了 6WMT 和 6MRST。测量运动距离、血压、心率和感知用力，以确定 6MRST 是否与 6MWT 相当。
在 CR 前后测试中，6MWT 和 6MRST 中运动的距离均存在显著相关性（r = 0.540 和 r = 0.700，分别；P <.001）。CR 后，6MRST 的距离从 1599 英尺增加到 2101 英尺。心率和感知用力评分在两个测试时间点均显示出 6MWT 和 6MRST 之间的强相关性。
在 CR 环境中，6MRST 产生的结果与 6MWT 相似。因此，对于那些无法充分进行 6MWT 的患者，在空间可能过于有限、没有步行道或仅仅由于患者或工作人员偏好的情况下，6MRST 可以替代 6MWT。
