There are many types of arthritis and OA (osteoarthritis) is the commonest type of arthritis which affects the large and weight wearing joint of the body like the hip, knee, etc. Osteoarthritis basically a degenerative joint disease, articular cartilage starts deteriorating and damages the joint. Hip joint is the third commonest joint to have osteoarthritis after the knee joint and fingers.
Diagnosis of hip osteoarthritis is quite difficult because there are many conditions that also have the same symptoms, conditions like Hip bursitis, tendonitis, any muscle injury, SI joint pain, etc.