1.the friction between a body and the surface on which it moves (as between an automobile tire and the road)
2.(orthopedics) the act of pulling on a bone or limb (as in a fracture) to relieve pressure or align parts in a special way during healing;
his leg was in traction for several days
traction 1、解释: traction n. 牵引;【机】【车辆】牵引力。 通过牵拉肢体或头颅而达到骨折与脱位的复位、制动、解疼、止痛以及纠正畸形等的治疗措施。 有3种方式 : ①骨牵引是用金属针穿过骨骼,借助牵引装置进行,常用于股骨骨折的有股骨髁上牵引或胫骨结节牵引,用于颈椎骨折的为颅骨牵引。 ②皮牵引是用胶布条粘贴或泡沫塑料条紧贴于患肢皮肤,外用绷带包扎而进行牵引。 ③吊带牵引可用于颈椎病锛堈眚⒌醮R級、腰椎