Inclusion Criteria: The inclusion criteria comprised a non-locked painful knee of more than 1 month, age between 35-50 years, a clinical history and examination compatible with degenerative meniscus, positive findings of a degenerative meniscal tear visible with magnetic resonance imaging (MRI), no response to nonoperative treatment of at least 3 months after onset of symptoms, and no evidence of advanced osteoarthritis (OA) on X-rays or MRI  Exclusion Criteria: The exclusion criteria employed were advanced knee OA, systemic inflammatory disease, a concurrent tear of posterior cruciate ligament, a concurrent collateral ligament repair, other problems causing knee pain (e.g., hip and ankle pathologies), a history of cardiopulmonary disease that could limit isokinetic and functional testing, an unstable medical condition, a serious cognitive deficit, a psychiatric problem, no capacity for independent walking and standing, an open wound on the skin, or pregnancy