目的：研究松针提取液对运动能力的影响。
Aim: To study the effect of the extract of pine needles upon the exercise capacity.
我们在运动前后和运动的过程中，分别的提取他们的血液。
And before and during this exercise we were taking blood of them.
在人体运动的分析中，提取运动信息是必须的。
It is necessary to obtain movement information in biomechanical analysis.
在人体运动的分析中，提取运动信息是必须的。
It is necessary to obtain movement information in biomechanical analysis.
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