创伤后臂丛神经麻痹往往累及臂丛上干，导致肩部肌肉的麻痹。

Posttraumatic brachial plexus paralysis invariably involves the upper roots leading to paralysis of the shoulder region musculature.

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前臂、后臂、辅臂以及插件与主杆之间为活动连接， 均可折叠于主杆上。

The front arm, the rear arm, the auxiliary arm and the plug-in are movably connected with the main rod and can be folded on the main rod.

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木材﹕前臂为华丽鸟眼枫木﹐握把下是一段纹路紧密的枫木﹐后臂为红青龙木。

Woods: Highly figured birdseye maple forearm with a very tight grained maple handle under the wrap and a Red Amboyna Butt sleeve.

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