IRCT201206065152N2 IRCT 2012-07-16 Vice chancellor for Research, Semnan University of Medical Sciences Investigation the effect of combination of whole body vibration training and strength exercise training on the knee osteoarthritis complication Comparison the effect of combination of whole body vibration training and strength exercise training versus strength exercise training on knee osteoarthritis complications in patient with knee osteoarthritis 2012-09-05 anticipated 32 Complete https://irct.ir/trial/5504 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment. N/A Osteoarthiritis of knee. Intervention 1: group 1: 1)convention electrothrapy 2) 3 set flexion and extension of knee joint for strengthening exercise. in the first set patient train with 60 to 65 percent of 10 RM. in the secondary set patient train with 70 to 75 percent of 10 RM. in the end set patient train with 80 to 85 percent of 10 RM. there is 2 minutes rest time between training sets. Intervention 2: group 2: 1)convention electrothrapy 2) 3 set flexion and extension of knee joint for strengthening exercise. in the first set patient train with 60 to 65 percent of 10 RM. in the secondary set patient train with 70 to 75 percent of 10 RM. in the end set patient train with 80 to 85 percent of 10 RM. there is 2 minutes rest time between training sets.3) patient stand up on the platform of WBV with her\his legs beside.6 set with 30 second platform oscillate to sagital axes. there is 30 seconds rest time between training sets.