There are many reasons for joint pain; Joint ligament injury, synovitis of wrist key sheath, swelling of lesion, synovial plica syndrome of knee joint.

Guiding opinions:

Cryoglobulinemia, foreign body synovitis, bursitis of greater trochanter of femur, piriformis syndrome, calcaneal inflammation, etc. Arthralgia is not necessarily arthritis. It is recommended to treat after diagnosis.