This randomized controlled trial aims to compare the effectiveness Weighted dangling exercises versus vastus medialis oblique muscle neuromuscular electrical stimulation(VMO+NMES) in patients with knee osteoarthritis. The study will recruit 48 participants (accounting for 10% attrition), aged 40-60 years, from University of Lahore Teaching Hospital using convenience sampling. Participants will be randomly allocated into two groups: an interventional group receiving WDE and other interventional group undergoing VMO strength training with NMES. Both interventions will be administered three times per week for 8 weeks under professional supervision. Outcome measures including pain intensity (NPRS), Functional Disability (Western Ontario and McMaster Universities Osteoarthritis Index),Muscle Strength (MMT) will be assessed at baseline, 4 weeks, and 8 weeks. Data will be analyzed using SPSS, with appropriate parametric or non-parametric tests applied after checking data normality. Ethical approval will be obtained, informed consent will be secured, and participant confidentiality will be strictly maintained.
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Recent surgery (within three months) history of hip or knee joint replacement, tibial osteotomy, orthoses with systemic arthritis, history of trauma such as knee fracture and other with muscular disease of neurological disorders that would affect lower extremity function is excluded.