"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." About 16% of people worldwide have knee arthritis, which, if left untreated, can lead to flare-ups of ...

The knee is the largest joint in the body (and one of the most complex), meaning it’s also one of the most problem-prone. While knee strengthening exercises can help keep the joint in tip-top shape, ...

If your knee is swollen, it's also called an infused knee. Swelling happens when fluid builds up around or behind the joint in your knee. An infused knee may also be called an effusion in your knee ...

A recent meta-analysis examined 217 trials involving 15,684 participants and six types of exercise to manage knee ...

Psoriatic arthritis, a chronic autoimmune condition, links psoriasis with joint inflammation, affecting skin, nails, eyes, and even internal organs. Early signs include joint pain, swelling, and ...

Joints often crack due to harmless gas bubbles in fluid or tendons moving over bones. While usually normal, persistent pain, ...

If you’ve been noticing that your fingers, elbows and/or knees feel stuck and sore at times, the reason could be arthritis. “Arthritis can best be defined as tenderness and swelling of one or more ...

Septic arthritis of the knee involves a sudden, severe infection in one or both knee joints. Without treatment, it can impair mobility, lead to permanent damage, or even be fatal. Septic arthritis is ...

Pauciarticular juvenile rheumatoid arthritis (PJRA), also known as oligoarticular juvenile idiopathic arthritis (JIA), is a type of arthritis that affects children under 16. It causes inflammation in ...