Functional electrical stimulation effect on chondroprotection of knee osteoarthritis

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Functional electrical stimulation (FES) was developed and applied for more effective muscle strengthening method to knee osteoarthritis. FES was applied for 20min per day, five days a week and four weeks together with home exercise program. After four weeks, knee extension strength increased, muscle thickness of thigh and calf increased, JKOM and pain scores (VAS) were improved. These changes were statistically significant comparing to home exercise group. The results showed that FES was effective for conservative treatment of knee osteoarthritis.