In the dark I tumbled over a stump and injured my arm.

黑暗中我被树桩绊倒伤了手臂。

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Objective To study the coordination of nerves in the human amputation stump of the upper arm.

目的探讨人体残肢上臂神经的相互协调关系。

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By rewiring a missing arm's motor nerves to muscles in the remaining stump, shoulder or chest, for example, and rewiring the arm's sensory nerves to the skin in these regions, a channel is opened to the part of the brain that once controlled the missing limb.

ECONOMIST: Rewiring nerves

He lasted just 16 minutes and faced only 13 balls before promising left-arm seamer Charl Willoughby uprooted his off-stump.

BBC: Caddick lone England star