Glossary

Looking for rheumatic disease types, treatments, and associated rheumatology definitions? From abatacept to WOMAC, learn about common terms related to arthritis and rheumatic and musculoskeletal diseases. Looking for information about MACRA? See MACRA terms and definitions.


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Joint arthroplasty/replacement

Creation of an artificial joint to correct advanced degenerative arthritis.

Joint hypermobility

Increased range of movement of joins, and joint laxity, occurring normally in children and adolescents or as a result of disease.

Juvenile idiopathic arthritis (JIA)

Chronic, inflammatory arthritis affecting children and adolescents. Includes several types of juvenile rheumatic diseases, including juvenile rheumatoid arthritis. Symptoms may include joint inflammation, pain, fever, morning stiffness, reduced activity level, and difficulty moving certain joints. May cause some children to develop severe complications, including eye inflammation or rashes. Treatments include nonsteroidal antiinflammatory drugs, disease-modifying antirheumatic drugs, biologics and glucocorticoids.

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Juvenile rheumatoid arthritis

Chronic arthritis beginning in childhood, most cases of which are pauciarticular, i.e., affecting few joints.