The model built in this study was a reasonable, precise and stable biomechanics tool, with which stress, strain and displacement of any node on the humerus could be exactly calculated in any function position of shoulder.

• 所建立人体肩关节的三维有限元模型合理、准确、稳定，可以精确计算出任一个肩关节功能位置上，任一肱骨节点的应力、应变、位移状况。