If you're an athlete who does an activity with a lot of jumping involved, or if you have a child or teen who plays such a sport, you may one day find yourself with jumper's knee. In the medical world, it's known as patellar tendonitis or patellar tendinopathy.
Knee effusion, sometimes called water on the knee, occurs when excess fluid accumulates in or around the knee joint. Common causes include arthritis and injury to the ligaments or meniscus, which is cartilage in the knee.
Sometimes, a person’s muscles may feel tight and rigid. In some cases, muscle tightness and rigidity may come with other symptoms, such as muscle pain, muscle spasms, or reduced mobility.
Knee braces can provide support to the knee joint. People may find these products beneficial following surgery or injury.
Although guidelines do not recommend use of opioids to manage pain for individuals with knee osteoarthritis, a recent study published early online in Arthritis Care & Research, an official journal of the American College of Rheumatology and the Association of Rheumatology Professionals, estimates that 858,000 Americans use opioids such as tramadol and oxycodone for their knee pain, equating to $14 billion in lifetime opioid-related societal costs, or nearly $0.5 billion annually.
