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中风是许多国家造成死亡及失能的主要原因之一，大约百分三十到百分六十六的中风患者会合并有肢体动作行动相关的问题及感觉丧失。中风病患缺乏活动，容易造成神经肌肉的改变，常见的有肌痉挛、关节挛缩。

Stroke is the cause of patients' death and disability in many countries, and about 30-66% patients have both sensory lose and movement problems. Due to a long-term immobility, the stroke patients have neuromuscular system impairment. The most common situation is spasticity and joint contracture.

目前针对中风所造成的肌痉挛的处理方式包括有传统中医、西医物理治疗或肉毒杆菌注射及一些抗张力药物的服用…等方法。

The treatments of spasticily include the physical therapy provided by western medicine and traditional Chinese medicine or the medical injection of botulinum or the application of some anti-spasticity drug, and so on.

西医的处理方法有其极限，而目前有关中医处理中风的研究大多数还是在看治疗后日常生活功能、行走能力、生活质量及功能性动作(包括吃饭、洗澡、走路…等)等是否有改善。

There is a upper limit of the western medicine for curing the stroke, and the stroke research from traditional Chinese medicine focuses on the function of daily activities, the ambulation ability, the quality of life, and functional activities (such as dining, bathing, and walking) after the medical treament.

但是目前这方面的研究仍然有许多的争议。这些所牵涉的因素太广泛，可能包括感觉、肌力、协调性、平衡…等，要去探讨某一种治疗是否对这些有影响，我想这个范围太大了，所牵涉的变量太多。这样要去看针灸的效果，也许会有一些困难度存在。

But there are still many arguments with the research. However, the variables (include sensation, muscle, coordination and balance…etc. ) involved in those studies are too broad to be controlled. It’s difficult to discuss the acupuncture’s effect.

因此我们把范围缩小，只去看肌肉张力的影响。而且针灸并不是每个人都可以接受，因此本研究的目的，想要了解电刺激在穴位上对中风病人的张力或痉挛所造成的影响。

Therefore, in this study we minimize the size of variables and focus on the treatment effect of the muscle tone only. The purpose of this study is to investigate the effect from electrical stimulation on acupuncture point for reducing muscle tone and spasticity for stroke patients.