BACKGROUND: Osteoporotic vertebral fracture is major fracture in post menopause women and aged women.
背景骨质疏松性脊椎骨折是绝经后妇女和老年女性最常见的骨折类型。
The major injury types for SanDa and Kickboxing athletes are sprain, bruise, and contusion, while fracture, dislocation and severe brain injury are less common.
扭伤、擦伤、挫伤是散手和自由搏击运动员发生的主要损伤类型，严重损伤如骨折、脱位、严重颅脑损伤较为少见；
As it is mentioned in many studies that one major advantage of the backward sliding mechanism of lag screw is controlled compression of fracture with weight bearing which helps in healing of fracture.
正如多数研究所提到的拉力螺钉的一个主要优点是反向滑动机制，能在负重条件下对骨折施加控制性加压，促进骨折的愈合。
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