“…By the end of the 20th century, knee, shoulder, hip and ankle arthroscopies were some of the most frequently performed surgeries in developed countries. 1 Questions were first raised about the efficacy of knee arthroscopy for advanced osteoarthritis in 2002, when Professor Moseley and colleagues published their landmark placebo-controlled trial. 2 Similarly, rigorous trials followed, each questioning the efficacy of arthroscopic partial meniscectomy and subacromial decompression—the two most common arthroscopic surgeries.…”