The preseration of subchondral bone in the acetabulum, as well as the use of a metal-backed cup or thick-walled polyethylene cup, decreases the peak stress leels in the trabecular bone of the pelis.

• 保留髋臼内的软骨下骨及采用金属帽髋臼或厚壁聚乙烯臼均可降低骨盆小梁骨内的峰应力水平。