Injury occurring to a nerve intraoperatively is usually due to compression or stretching of the nerve.

手术当中出现的神经损伤多为压迫或牵拉所致。

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Lacrimal gland enlargement may be seen. CT and MRI may also show "stretching" and apical crowding of the optic nerve with an enlarged superior ophthalmic vein.

泪腺增大也可以出现，CT和MRI可能表现为“拉胀”，视神经尖端拥挤，眼上静脉扩张。

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Conclusion:The rushing force of dislocated radial head, and the contusion, compression, stretching and adhesion of the nerve are all contributory factors of the nerve injury.

孟氏骨折合并骨间背侧神经损伤的机制与局部解剖特点有密切关系，是脱位桡骨小头的冲击力、挫伤、压迫、牵拉和粘连等诸因素综合作用所致。

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By stretching the inside of the cheeks of several patients who have complete facial nerve palsy with a finger, while performing routine checks for ulcerations or trauma, Ms Clapham caused the paralysed facial muscles to move - something not seen before.

BBC: Facial palsy patients helped by mouth massage