人体的功能和活动多数是在站立负重状态下完成的,骨科疾病的症状也多在站立负重时加重,而卧床休息时减轻。人体骨骼是一个整体,尤其是脊柱和双下肢在站立状态下的空间关系和力线排列,对人体的运动和支持功能非常重要,所以理想的骨科影像学检查应该是站立位负重状态下,全身三维成像。 Most of the body’s functions and activities are carried out in standing load condition, the symptoms of orthopedic diseases are more in the standing load increased, while bed rest reduced. The human skeleton is a whole body, especially the spine and lower extremities in the standing state of the spatial relationship and force line arrangement, the human body movement and support functions is very important, so the ideal orthopedic imaging examination should be standing position weight state, the whole body 3D imaging.