膝骨关节是骨关节结构广泛退行性的一种中老年常见病。包括：关节软骨剥脱、骨质增生、半月板损伤、滑膜炎等一系列改变。

Gonarthritis, a degenerative osteoarthrosis commonly found in old and middle-aged people, has symptoms of articular cartilage denudation, hyperosteogeny, meniscus injury, synovitis, etc.

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退行性膝关节炎是中老年人的常见病，严重影响生活质量。

Degenerative osteoarthritis of knee is one of the most common diseases of the elderly and worsen the quality of life.

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