<unk>  is a form of osteoarthritis and the former can occur after the latter. However,<unk>  can also occur after the development of chronic inflammatory arthritis. Generally,<unk>  is classified in two groups:<unk><unk>  osteoarthritis and<unk><unk>  inflammatory arthritis.<unk><unk>  osteoarthritis<unk><unk>  osteoarthritis is the most common variation of<unk> . Between 20 and 50% of all osteoarthritis cases are preceded by<unk> . Patients having<unk><unk>  osteoarthritis are usually younger than osteoarthritis patients without any previous physical injuries.<unk><unk>  inflammatory arthritis Less common is<unk><unk>  inflammatory arthritis, accounting for between 2 and 25% of all<unk>  cases. There are reports about a connection between previous physical injury and inflammatory arthritis, such as rheumatoid arthritis or psoriatic arthritis.
Post-traumatic arthritis
Facet joint arthrosis
Transient synovitis
Calcific bursitis
Hypertrophic osteoarthropathy
Inflammatory arthritis
Bursitis
Shoulder arthritis