Kell Robert T, Farag Mamdouh, Bhambhani Yagesh
Faculty of Kinesiology and Health Studies, University of Regina, S4S 0A2, Regina, SK, Canada.
Eur J Appl Physiol. 2004 May;91(5-6):499-507. doi: 10.1007/s00421-003-1014-0. Epub 2004 Jan 14.
The purpose of this investigation was to (1). describe the trends in oxygenation (OXY) and blood volume (BV) of the right and left paraspinal muscles during the Biering-Sorensen muscle endurance (BSME) test using near infrared spectroscopy (NIRS), and (2). assess the test-retest reliability of OXY and BV changes during the BSME in healthy males. Seventeen healthy males [age=28.4 (9.8) years, height=1.75 (0.05) m, body mass=82.7 (9.1) kg; mean (SD)] completed two BSME trials within 1 week. NIRS probes were placed bilaterally at lumbar 3. The test was performed with the subject in the prone position using the following protocol: 2 min baseline, BSME, and 4 min recovery. The delta and range values of OXY and BV were used for analysis. Acceptable intra-class correlations were observed for endurance time and all the NIRS variables at the point of fatigue and at each 10% segment of the BSME during the two trials. Bland-Altman plots confirmed the reproducibility of the bilateral NIRS responses of the paravertebral muscles. The BV responses were more reliable than the OXY responses during the two trials. The OXY and BV responses of the paravertebral muscles during static contractions can be measured reliably using NIRS. Future studies should focus primarily on BV for analysis.
（1）使用近红外光谱（NIRS）描述在比林-索伦森肌肉耐力（BSME）测试期间左右椎旁肌的氧合（OXY）和血容量（BV）的变化趋势；（2）评估健康男性在BSME期间OXY和BV变化的重测可靠性。17名健康男性[年龄=28.4（9.8）岁，身高=1.75（0.05）米，体重=82.7（9.1）千克；均值（标准差）]在1周内完成了两次BSME试验。NIRS探头双侧置于腰3水平。测试时受试者处于俯卧位，采用以下方案：2分钟基线期、BSME期和4分钟恢复期。使用OXY和BV的差值和范围值进行分析。在两次试验中，耐力时间以及疲劳点和BSME各10%时间段的所有NIRS变量均观察到可接受的组内相关性。布兰德-奥特曼图证实了椎旁肌双侧NIRS反应的可重复性。在两次试验中，BV反应比OXY反应更可靠。使用NIRS可以可靠地测量静态收缩期间椎旁肌的OXY和BV反应。未来的研究应主要聚焦于BV进行分析。
