慢性阻塞性肺疾病患者进行有氧高强度单腿和双腿间歇骑行：整体大于部分之和。 （你提供的英文原文表述似乎不太准确，从逻辑上看应该是“整体大于部分之和”，而不是“部分之和大于整体”，我是按照合理逻辑翻译的。若严格按照你给的英文表述翻译是：慢性阻塞性肺疾病患者进行有氧高强度单腿和双腿间歇骑行：部分之和大于整体。 ）
Aerobic high intensity one and two legs interval cycling in chronic obstructive pulmonary disease: the sum of the parts is greater than the whole.
作者信息
Bjørgen Siri, Hoff Jan, Husby Vigdis S, Høydal Morten A, Tjønna Arnt E, Steinshamn Sigurd, Richardson Russell S, Helgerud Jan
机构信息
Department of Circulation and Medical Imaging, Faculty of Medicine, Norwegian University of Science and Technology, 7489 Trondheim, Norway.
出版信息
Eur J Appl Physiol. 2009 Jul;106(4):501-7. doi: 10.1007/s00421-009-1038-1. Epub 2009 Apr 1.
The purpose of this study was to investigate whether individual leg cycling could produce higher whole body peak oxygen uptake (VO(2peak)) than two legs cycling during aerobic high intensity interval training in chronic obstructive pulmonary disease (COPD) patients. Nineteen patients trained in 24 supervised cycling sessions either by one leg training (OLT) (n = 12) or by two legs training (TLT) (n = 7) at 4 x 4 min intervals at 85-95% of peak heart rate. Whole body VO(2peak) and peak work rate increased significantly by 12 and 23% in the OLT, and by 6 and 12% in the TLT from pre- to post-training, respectively, and were significantly greater in the OLT than the TLT (P < 0.05). The present study demonstrates that one leg aerobic high intensity interval cycling is superior to two legs in increasing whole body VO(2peak), indicating a muscle rather than a cardiovascular limitation to VO(2peak) in these COPD patients.
本研究的目的是调查在慢性阻塞性肺疾病（COPD）患者的有氧高强度间歇训练中，单腿骑行是否比双腿骑行能产生更高的全身峰值摄氧量（VO₂peak）。19名患者参加了24次有监督的骑行训练，其中12名患者进行单腿训练（OLT），7名患者进行双腿训练（TLT），以心率峰值的85 - 95%进行4×4分钟的间歇训练。从训练前到训练后，OLT组的全身VO₂peak和峰值功率分别显著增加了12%和23%，TLT组分别增加了6%和12%，且OLT组显著高于TLT组（P < 0.05）。本研究表明，在增加全身VO₂peak方面，单腿有氧高强度间歇骑行优于双腿骑行，这表明在这些COPD患者中，VO₂peak的限制因素是肌肉而非心血管因素。
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