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1·Conclusion Obvious changes in psychological status, neuromotor speed and their accuracy were observed in workers exposed to aluminum for a long term.

结论长期职业性铝接触可以引起作业工人出现明显的心理状态、神经运动速度和准确性以及运动协调能力的改变。

2·In a voluntary cervical motion, the neuromotor control exercised by the central nervous system determines the time, intensity, and a nature of excitation of agonists and antagonist muscles.

在颈椎主动运动的过程中，由中枢神经所支配的神经运动取决于主动肌和拮抗肌刺激反应的时间和紧张程度。