Effectiveness of Neuromuscle electrical stimulation in rehabilitation of knee osteoarthritis patients

INTERVENTION: Intervention 2 times a week for 8 weeks, 41 patients per group. 3 groups interventions groups Group 1: exercises (bike 10min, isometric quadriceps exercises, stretching) Group 2: Electrical stimulation (bike 10min, isometric quadriceps exercises plus electrical stimulation, stretching) CONDITION: Knee osteoarthritis patients PRIMARY OUTCOME: Analogic visual scale Function Pain Timed up and go test SECONDARY OUTCOME: Activity of Daily Living Scale(ADL) McMaster Osteoarthritis Index (WOMAC) Short Form ‐ 36 Western Ontario and INCLUSION CRITERIA: Knee osteoarthritis (grade 2 ou more in Kelgreen Lawrence classification), knee pain,