Knee pain can result from several conditions, including:
• Osteoarthritis – A degenerative joint disease that causes cartilage breakdown.
• Rheumatoid arthritis – An autoimmune condition leading to joint inflammation.
• Ligament injuries – Such as ACL or MCL tears, common in athletes.
• Meniscus tears – Often due to sudden twisting motions.
• Tendinitis – Inflammation of tendons ... https://www.benedeek.com/blogs/165915/Can-My-Knee-Pain-Be-Treated-Without-Surgery