Complications from intraoperative positioning.
D006801:Humans; D007431:Intraoperative Complications / Q000209:etiology*; D009985:Orthopedics; D010243:Paralysis / Q000209:etiology*; D059348:Peripheral Nerve Injuries; D011183:Postoperative Complications / Q000209:etiology*; D011187:Posture