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
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: