Inclusion Criteria:  Among the 45-65 age group, 30 female patients diagnosed with knee osteoarthritis (Stage 1-2-3) and sarcopenia together Among the 45-65 age group, 30 females without osteoarthritis and sarcopenia will be included in the study as the control group.  Exclusion Criteria:  Diabetes Mellitus, Severe Coronary Artery Disease / Congestive Heart Failure, Severe Liver Failure, Neuromuscular disease, Lower extremity surgery, Rheumatological disease, Those who use walking aids