在这块骨骼后面，桡骨——下臂与手carpometacarpus的联接部分——要比尺骨厚的多(与桡骨类似但相对较细的部分)。

Behind this bone, the radius - a lower arm bone in line with the carpometacarpus - was unusually thick compared to the relatively slender companion bone, the ulna.

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手臂桡骨和尺骨的连接关节是一个枢轴关节。

The articulation of the radius and ulna in the arm is a pivot joint.

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方法采用三棱钉张力带固定尺骨、钢板固定桡骨治疗30例尺桡骨骨折，尺桡骨钛合金钢板内固定治疗25例，观察两组病例的手术时间、尺骨骨膜剥离长度和骨折愈合时间。

Methods 30 patients were treated with ulna by triangular nail and tension band and radius by plate fixation. 25 patients were treated with both ulna and radius by titanium plate fixation.

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