182 cases of surgical treatment of knee deformities in children with spina bifida between 1968 and 1977 are reviewed. The most number of cases had very good or good success. 138 supracondylar osteotomies produced very good results in 18 cases; reosteotomy was necessary in 10 cases. EGGERs procedure in 26 cases made very good results and good results in 6 cases. Quadriceps-Z-plasty with anterior capsulotomy produced very good results in 11 cases, only one bad result here was produced by skin-breakdown.