Doctors use synovial fluid analysis, or synovial joint analysis, to help diagnose the cause of joint pain and to rule out infection. Common causes of joint pain include rheumatoid arthritis (RA), ...

Pain in the groin and hip is often related because the hip joint and groin are close together. The cause can be hard to identify, especially with radiating pain, but may include conditions like muscle ...

Rheumatoid arthritis (RA) can affect the hips, causing pain, stiffness, and swelling, similar to those of other joints in the body. RA-related hip pain can feel like a dull ache in the groin, buttocks ...

Synovial joints have a cavity filled with viscous synovial fluid to reduce friction between joint bones Osteoarthritis involves degeneration of cartilage tissue at synovial joints due to changes in ...