Isometric and isotonic muscle properties as determinants of work loop power output
Isometric and isotonic muscle properties as determinants of work loop power output
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DOI：
10.1007/s004240050197
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发表时间：
1996-09-01
影响因子：
4.5
通讯作者：
Altringham, JD
中科院分区：
文献类型：
--
作者：
James, RS;Young, IS;Altringham, JD
计算了兔背阔肌在等压条件下和振荡工作时的输出功率。等压缩短研究产生了120瓦的最大功率输出。与最大功率输出32w相比，P/P-0为0.4时，kg（-1）。Kg（-1）使用工作回路技术获得。这种差异很大程度上可以通过比较实际工作回路与使用力速度（P/V）和等距数据构建的回路来解释。在低周期频率下，工作回路功率输出非常接近从P/V和等距数据预测的功率输出。然而，在更高的频率下，其他动态肌肉特性似乎发挥更显著的作用。
The power output of rabbit latissimus dorsi muscle was calculated under isotonic conditions and during oscillatory work. Isotonic shortening studies yielded a maximum power output of 120 W . kg(-1) at a P/P-0 of 0.4 compared to a maximum power output of 32 W . kg(-1) obtained using the work loop technique. This difference can largely be explained by comparing actual work loops with those constructed using force velocity (P/V) and isometric data. At low cycle frequencies, work loop power output is quite close to that predicted from P/V and isometric data. However, at higher frequencies other dynamic muscle properties appear to exert a more marked effect.