我想请问脊柱，四肢，是什么意思？
本文介绍的骨折脱位整复器，适用于四肢或脊柱骨折脱位的整复。
This paper introduces a repositor of fracture dislocation used for reposition of fracture dis location of limb and spinal bone.
脊柱四肢：脊柱呈生理弯曲，无压痛及纵向叩击痛，四肢活动自如，肌力及肌张力正常。
Backbone and four limbs: physiological bending of backbone, no tenderness or vertical percussed pain. Free movement of four limbs. Normal muscle force and muscle strength.
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