【摘要】 <正> 随着体育运动的发展,骨骺慢性损伤发病率有所增高。1972年曲绵域报导102名20岁以下的体操运动员患椎体缘离断症者32名,占31.3%。1980年邱励慎报告男体操运动员桡骨远端骨骺损伤发病率高达80%。该病不仅影响运动员的训练及比赛成绩,甚至影响青少更多还原

【Abstract】 A special motor traction device was used in 38 rabbits to force flextions and extensions on the rightankle to tract the epiphysis of calcaneum and compress the distal end of tibia. A gross view of the excisedspecimens through X-ray, histo and histochemical examinations showed positive pathological changesin the blood supply of 21 rabbits in the form of swelling. subcutaneous adhesion. hemorrage and enlarge-ment of the calcaneus and distal end of tibia. The perichondral ring of the epiphyseal plate had thicken-ed with cell proliferation. and the trabeculas of epiphysis and metaphysis had also increased and thicken-ed, although no osteonecrosis was detected. The surrounding tissues revealed hemorrage, traumatic inflam-mation and hyperplasia of fibers and cartilage or new bone formation as well as hyperremia of the mar-row cavity. The occurrence of the morbid changes was closely correlated to the duration of traction andlocal disturbance of blood supply. We hold that the chronic injury of extracapsular compressive epiphysisis a kind of hyperplastic developemental bone disorder caused by local ischemia and mechanical irrita-tion. and that enthesiopathy of the tendon insertion should also be regarded as a pathological change ofthe epiphyseal chronic injury.更多还原