The lowering of biomechanical characteristic is showed by the clearer change of the rigidities than the tenacities and the recovery is slower than tenacities.

• 其生物力学特性的降低表现为骨刚度较韧度变化更明显，在激素治疗中骨刚度的恢复较韧度迟缓；补充糖皮质激素对骨代谢有剂量依赖性调节作用。