| 1. | Parkinson s disease is a progressive neurological disorder of muscle movement , characterized by tremors , muscular rigidity , postural instability , and bradykinesia slowness in initiating and carrying out voluntary movements 帕金森症是一种渐进性肌肉动作的神经错乱疾病,会引起颤抖肌肉僵硬姿势不便行动迟缓起初行动缓慢继而有不由自主的行动10 。 |