一项比较研究，旨在评估健康个体中曲腿卧位与坐位对用力肺活量（FVC）的影响。
A Comparative Study to Evaluate the Effect of Crook Lying Position versus Sitting Position on Forced Vital Capacity (FVC) in Healthy Individuals.
作者信息
Sudan Dharampal Singh, Singh Harvinder
机构信息
Associate Professor, Department of Pulmonary Medicine, Adesh Institute for Medical Sciences & Research (AIMSR) Barnala Road, Bathinda, Punjab-151011, India .
Intern, Department of physiotherapy, (AIMSR) , Barrnala Road Bathinda, Punjab-151011, India .
出版信息
J Clin Diagn Res. 2014 Feb;8(2):17-9. doi: 10.7860/JCDR/2014/7370.3995. Epub 2014 Feb 3.
UNLABELLED
To prove the effect of body position on the Forced Vital Capacity (FVC) and to find out the better position amongst the sitting and crook lying position as both are considered to be the best respiratory positions as far as FVC is concerned, but no research work is done to find out the better amongst the two.
MATERIALS AND METHODS
We analyzed the FVC of the randomly selected 100 subjects (both males and females) in sitting and crook lying position respectively. Computerized Pulmonary Function Testing (PFT) apparatus was used for analysis where three readings of FVC were taken in each position from which best ones were taken for analysis.
RESULTS
Mean FVC in crook lying position was found out to be 88.83% as compared to 99.07% in sitting position showing a difference of 10.24 %. The values were analyzed by using standard t-test which gave t-value 18.4316 and p-value 0.0001 which is statistically significant.
CONCLUSION
The results show that FVC was more in sitting position as compared to crook lying position.
未标注
为证明体位对用力肺活量（FVC）的影响，并找出坐姿和曲卧姿中哪种体位更佳，因为就FVC而言，这两种体位都被认为是最佳呼吸体位，但尚未开展研究以确定两者中哪种更好。
材料与方法
我们分别分析了随机选取的100名受试者（男女皆有）在坐姿和曲卧姿下的FVC。使用计算机化肺功能测试（PFT）设备进行分析，在每个体位下采集三次FVC读数，并选取最佳读数进行分析。
结果
发现曲卧姿下的平均FVC为88.83%，而坐姿下为99.07%，相差10.24%。使用标准t检验对这些值进行分析，得到t值为18.4316，p值为0.0001，具有统计学意义。
结论
结果表明，与曲卧姿相比，坐姿下的FVC更高。
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