A degree of synostosis is controlled with roentgenographs aftersix weeks. Ossification is usually present at that time. Traction is removed when clinical and roentgenographic examinations confirm ossification, and knee motions range from nearty full extension to about 110๐ flexion. Traction must be continued for six to eight weeks in intraarticular knee fractures, and for ten to 12 weeks in multifragment and multilevel fractures of theshaft of femurs longer in some cases. A few week of rehabilitation period depends on the range of knee motions and muscle strength in comparison with an opposite extremity. The ultimate goal of the treatment and rehabilitation is full range of knee motions and a minimum 70๐ of muscle strength. Moment of force in the special post. Then, patients are ambulated with crutches for a short time and weight bearing.