The effects of physical therapy on the knee joint dysfunction due to femur fracture C.E. Parkr, J. Baik, J.H. Rhee* One hundred and twenty - four knee joint dysfunction due to femur fractured treated, at dept of physical therapy Incheon christian hospital for 3 years since 1978were reviewed. Despite lack of progress note , the late results in sixty- eight cases of joint dysfunction were analysed clinically. The reselt obtained in this study are summerized as follow :1. Sex distribution of total patients surveyed showed that 73.5% in male, and26,5% in female. In age distribution, the most predominent age group was 21 ~.30years with 35.3%.2. About 56% of the cases were caused by traffic accident,3. The modalities of physical therapy suitable to each cases were applied, 94.1 %of all cases were treated with hot pack, 98.5 % active exercise, 73.5 % isometric exerclse .4. The improvement by physical therapy on knee joint dysfunction was classified into 4 grades and showed following results ; excellent 66.1%, good 26.5%, fair5.9% and poor 1,5% respectively.