肱二头肌短头

Objective To explore the operation of using biceps brev.m with moving bone piece of coracoid to treat dislocation of the acromioclvicular joint.

目的 探讨肱二头肌短头带喙突骨瓣移位手术治疗肩锁关节脱位的疗效。

Using biceps brev.m with moving bone piece of coracoid to treat dislocation of the acromioclvicular joint was an safe operation.

肱二头肌短头带喙突骨瓣移位手术治疗肩锁关节脱位，手术创伤小，操作简便，疗效可靠。

Methods With Kavlson standard to analyze 38 cases of dislocation of the acromioclvicular joint using biceps brev.m with moving bone piece of coracoid.

收集38例肩锁关节脱位患者，均采用肱二头肌短头带喙突骨瓣移位、克氏针内固定手术治疗，术后按Karlson标准评估疗效。

Because of the biceps and triceps' contract force and the reacting force of trochlea humeri, compressive stress was produced in the front of olecranon, while tensile stress in the back. The stress caused olecranon fracture. The place of most fracture lied between the tine and the middle, and most of fracture line was transverse or oblique.

由于肱二头肌、肱三头肌的收缩和肘关节反力的作用，尺骨鹰嘴关节侧产生压应力，背侧为张应力，导致尺骨鹰嘴发生骨折，骨折多发生在尖腰部，骨折线多呈横形或短斜形。

The results revealed that screwdrivers with triangle shaped handle could help subjects produce the maximum torque. Besides, using screwdrivers with hexagon shaped handle spent the least time, generated the minimum biceps muscle activity, and bad the least subjective fatigue rating. Moreover, wearing an anti-static glove or being barehanded can produced the maximum torque and spent the least time as well. Experiment 2 evaluates the handle diameter of screwdriver (30 mm, 34 mm or 38 mm) and operation plan. The results showed that the torque increased with the increase of the radius, the operation time and the brachioradialis muscle activity also increased with the increase of the radius.

本 研究共分为三次实验，实验一分析握把造型(八角形、锐角六角形、圆角六角形、枪型、圆角三角形)与手套(棉质手套、防静电手套、赤手)的影响，结果显示三角形造型握把可产生最大扭力，六角形造型握把的锁附螺丝时间最短、二头肌肌肉活动度最低、主观整体疲劳评比最低，防静电手套与赤手状态的扭力最大并且锁附螺丝时间最短；实验二比较握把直径(30 mm、34 mm、38 mm)与作业面的影响，结果显示直径越大扭力越大，但直径越小锁附螺丝时间则越短，且肱桡肌肌肉活动度越低。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。