Study Design. A biomechanical study with human cadaveric osteopenic lumbar vertebrae evaluating a novel method for cement augmentation of pedicle screw fixation.

• 研究设计：应用人类骨质疏松性腰椎尸体标本进行生物力学研究，以评价骨水泥增强椎弓根螺钉固定的一种新方法。