You worked up a sweat playing basketball, and now your knees are screaming in pain. Or maybe your knees are in agony just from sitting all day in front of your computer. If one or both of your knees ache after too much sitting, running, jumping or squatting, you may have patellofemoral pain (PFPS).
Bone marrow edema (BME) is when normal fatty bone marrow—the spongy tissue in the center of bones—is replaced with a watery mix of fluid and blood. Also known as a bone marrow lesion, BME occurs when arthritis, an injury, or a fracture damages the normal bone structure.
Dancers put unique demands on their hips, achieving extreme ranges of motion that can strain the joints and damage supporting tissues around them. Not surprisingly, hip injuries account for up to 17% of injuries in dancers and 27% among professional dancers.
For patients with symptomatic, radiographic, moderate-to-severe osteoarthritis or osteonecrosis of the hip or knee, total joint arthroplasty (TJA) should not be delayed in order to pursue additional nonoperative treatments, according to a clinical practice guideline issued by the American College of Rheumatology and the American Association of Hip and Knee Surgeons.
Water on the knee is when fluid collects around and inside the knee joint, causing pain and swelling. Also known as knee effusion or fluid on the knee, it can occur whenever there's damage to the joint due to injury or underlying disease, such as arthritis.