Results (1)The fractures of 12 models were fixed more stably during longitudinal loading;
结果（1）12个模型在纵向载荷时断端较稳定；
Conclusion:The cause of many complications after cutting radius head is ulnohumeral joint loading disorder and longitudinal axis unstability.
结论：桡骨小头切除后肱尺关节载荷紊乱及纵轴失稳是多种术后并发症的原因。
Aiming at wire rope and skip in loading, movement differential equations of skip with different mass and longitudinal vibration differential equations of wire rope were proposed.
以矿井提升装载过程中的箕斗和钢丝绳为研究对象，建立了变质量箕斗的运动微分方程及钢丝绳的纵向振动微分方程。
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