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A sprain is an injury to the ligaments around a joint. Ligaments are strong, flexible fibers that hold bones together. When a ligament is stretched too far or tears, the joint will become painful and swell.
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Wrist arthroscopy is used for diagnosis. But in some cases, it is used in treatment. It works best for showing ligament tears, or damage to the triangular fibrocartilage complex (TFCC) or cartilage.
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