Osteoarthritis is a common cartilage condition and a major cause of pain and disability in older adults. Primary osteoarthritis results from changes over time often linked to things such as age, obesity, and a family history of osteoarthritis. Secondary osteoarthritis is caused by other conditions that damage cartilage.
Types of osteoarthritis
It is usually limited to one or a small number of joints.
It may be limited to a small number of joints if injury-related, or it may be in joints throughout body if disease-related.
It is seen in spine, hips, knees, thumbs, and top two sets of finger joints.
It is seen in hips, ankles, shoulders, wrists, and the middle set of finger joints.
No specific inflammatory or metabolic condition known to be associated with arthritis is present.
Conditions that cause damage to cartilage may be present, such as: