Forbes Scott C, Chilibeck Philip D
College of Kinesiology, University of Saskatchewan, Saskatoon, SK, Canada.
J Strength Cond Res. 2007 Nov;21(4):1282-5. doi: 10.1519/R-20636.1.
The purpose of this study was to compare a kayak ergometer protocol with an arm crank protocol for determining peak oxygen consumption (V(.-)O2). On separate days in random order, 10 men and 5 women (16-24 years old) with kayaking experience completed the kayak ergometer protocol and a standardized arm crank protocol. The kayak protocol began at 70 strokes per minute and increased by 10 strokes per minute every 2 minutes until volitional fatigue. The arm crank protocol consisted of a crank rate of 70 revolutions per minute, initial loading of 35 W and subsequent increases of 35 W every 2 minutes until volitional fatigue. The results showed a significant difference (p < 0.01) between the kayak ergometer and the arm crank protocols for relative peak V(.-)O2 (47.5 +/- 3.9 ml x kg(-1) x min(-1) vs. 44.2 +/- 6.2 ml x kg(-1) x min(-1)) and absolute peak V(.-)O2 (3.38 L x min(-1) +/- 0.53 vs. 3.14 +/- 0.64 L x min(-1)). The correlation between kayak and arm crank protocol was 0.79 and 0.90, for relative and absolute V(.-)O2 peak, respectively (both p < 0.01). The higher peak V(.-)O2 on the kayak ergometer may be due to the greater muscle mass involved compared to the arm crank ergometer. The kayak ergometer protocol may therefore be more specific to the sport of kayaking than an arm crank protocol.
本研究的目的是比较皮划艇测功仪方案和手臂曲柄方案在测定峰值耗氧量(V̇O₂)方面的差异。10名有皮划艇经验的男性和5名女性(年龄在16 - 24岁之间)在不同日期按随机顺序完成了皮划艇测功仪方案和标准化的手臂曲柄方案。皮划艇方案起始速度为每分钟70划,每2分钟增加10划,直至自愿疲劳。手臂曲柄方案包括每分钟70转的曲柄转速,初始负荷为35瓦,随后每2分钟增加35瓦,直至自愿疲劳。结果显示,皮划艇测功仪方案和手臂曲柄方案在相对峰值V̇O₂(47.5±3.9毫升·千克⁻¹·分钟⁻¹对44.2±6.2毫升·千克⁻¹·分钟⁻¹)和绝对峰值V̇O₂(3.38升·分钟⁻¹±0.53对3.14±0.64升·分钟⁻¹)方面存在显著差异(p < 0.01)。皮划艇方案和手臂曲柄方案在相对和绝对V̇O₂峰值方面的相关性分别为0.79和0.90(均p < 0.01)。与手臂曲柄测功仪相比,皮划艇测功仪上较高的峰值V̇O₂可能是由于参与的肌肉量更大。因此,皮划艇测功仪方案可能比手臂曲柄方案更具皮划艇运动的特异性。