Joints

Adhesive capsulitis, also known as frozen shoulder, is a condition associated with…

Neuropathic arthropathy, refers to a progressive fragmentation of bones and joints in the…

Osteoarthritis is a type of degenerative joint disease that results from breakdown of…

Rheumatoid arthritis (RA) is a long-term autoimmune disorder that primarily affects…

Achilles tendinitis, also known as Achilles tendinopathy, is soreness and irritation of…

An anterior cruciate ligament injury occurs when the anterior cruciate ligament (ACL) is…

Adult-onset Still's disease (AOSD) is a form of Still's disease, a rare systemic…

Ankylosing spondylitis (AS) is a type of arthritis from the disease spectrum of axial…

Arthrogryposis (AMC) is congenital joint contracture in two or more areas of the body. It…

A Baker's cyst, also known as a popliteal cyst, is a type of fluid collection behind the…

Boutonniere deformity is a deformed position of the fingers or toes, in which the joint…

A bunion, also known as hallux valgus, is an outward deformity of the foot's…

Bursitis is the inflammation of one or more bursae in the body. Bursae are small sacs…

Calcific tendinitis is a common and expected aspect of tendinopathy or enthesopathy where…

Carpal tunnel syndrome (CTS) is a nerve compression syndrome caused when the median…

Clinodactyly is a medical term describing the curvature of a digit in the plane of the…

Coxa vara is a deformity of the hip, whereby the angle between the head and the shaft of…

De Quervain syndrome or De Quervain tendinopathy occurs when two tendons that control…

Discoid meniscus is a rare human anatomic variant that usually affects the lateral…

Dupuytren's contracture is a condition in which one or more fingers become permanently…

Familial Mediterranean fever (FMF) is a hereditary inflammatory disorder. FMF is an…

Femoroacetabular impingement (FAI) is a condition involving one or more anatomical…

Flat feet, also called pes planus or fallen arches, is a postural deformity in which the…

A ganglion cyst is a fluid-filled sack associated with a joint or tendon sheath. It most…

Genu valgum, commonly called "knock-knee", is a condition in which the knees angle in and…

Genu varum is a varus deformity marked by (outward) bowing at the knee, which means that…

Golfer's elbow is tendinosis of the lateral or medial common flexor tendon and pronator…

Gout, also called rheumatic gout, is a form of inflammatory arthritis characterized by…

Greater trochanteric pain syndrome (GTPS), a form of bursitis, is inflammation of the…

Hemarthrosis is a bleeding into joint spaces. It is a common feature of hemophilia.

Hallux rigidus or stiff big toe is stifffness, or an abnormally limited range of motion,…

A hammer toe, hammertoe or contracted toe is a deformity of the muscles and ligaments of…

Hip dysplasia is an abnormality of the hip joint where the socket portion does not fully…

Iliotibial band syndrome (ITBS) is the second most common knee injury, and is caused by…

Juvenile idiopathic arthritis (JIA), also known as juvenile arthritis and formerly known…

Kienböck's disease is a disorder of the wrist. It is named for Dr. Robert Kienböck, a…

Köhler disease is a rare bone disorder of the foot found in children between six and nine…

Lupus, formally called systemic lupus erythematosus (SLE), is an autoimmune disease in…

A mallet finger, also known as hammer finger or PLF finger or Hannan finger, is an…

A tear of a meniscus is a rupturing of one or more of the fibrocartilage strips in the…

Morton's neuroma is a benign neuroma of an intermetatarsal plantar nerve, most commonly…

Patellar tendinitis, also known as jumper's knee, is an overuse injury of the tendon that…

Chondromalacia patellae is an inflammation of the underside of the kneecap and softening…

Pes cavus, also known as high arch, is an orthopedic condition that presents as a hollow…

Plantar fasciitis or plantar heel pain is a disorder of the plantar fascia, which is the…

Plica syndrome is a condition that occurs when a plica becomes irritated, enlarged, or…

Polydactyly is a birth defect that results in extra fingers or toes. The hands are more…

Calcium pyrophosphate dihydrate (CPPD) crystal deposition disease, also known as…

Psoriatic arthritis (PsA) is a chronic inflammatory arthritis. The classic features of…

Reactive arthritis, previously known as Reiter's syndrome, is a form of inflammatory…

Rotator cuff tendinopathy is a process of senescence. The pathophysiology is mucoid…

The term sacroiliac joint dysfunction refers to abnormal motion in the sacroiliac joint,…

Sacroiliitis is a condition caused by inflammation within the sacroiliac (SI) joint,…

Acute septic arthritis, infectious arthritis, suppurative arthritis, pyogenic arthritis,…

Sjögren's disease (SjD), previously known as Sjögren syndrome or Sjögren's syndrome, is a…

A SLAP tear or SLAP lesion is an injury to the superior glenoid labrum that initiates in…

Snapping hip syndrome, also referred to as dancer's hip, is a medical condition…

A sprain is a soft tissue injury of the ligaments within a joint, often caused by a…

Stickler syndrome is a group of rare genetic disorders affecting connective tissue,…

Swan neck deformity is a deformed position of the finger, in which the joint closest to…

Syndactyly is a condition wherein two or more digits are fused together. It occurs…

Synovial osteochondromatosis (SOC) (synonyms include synovial chondromatosis, primary…

Tennis elbow, also known as lateral epicondylitis, is an enthesopathy of the origin of…

Tenosynovial giant cell tumor (TGCT) is a non-malignant tumor defined histologically as…

Tenosynovitis is the inflammation of the fluid-filled sheath that surrounds a tendon,…

A metatarsophalangeal joint sprain is an injury to the connective tissue between the foot…

Whiplash, whose formal term is whiplash associated disorders (WAD), is a range of…