Man sat on sofa holding knee in pain

Bursitis: Diagnosis and Treatment

Between the bones and surrounding soft tissues (tendons and muscles) are the bursae. Each bursa is a thin fluid-filled sac which is there to cushion and lubricate the soft tissues, helping the bones and soft tissues to glide over each other without friction. Sometimes the bursae can become inflamed – a condition known as bursitis.…

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