Knee bursitis
A bursa is a fluid-filled sac that functions as a gliding surface to reduce friction between moving tissues of the body. There are three major bursae of the knee. Bursitis is usually not infectious, but the bursa can become infected. Treatment of non-infectious bursitis includes rest, ice, and medications for inflammation and pain. Infectious bursitis is treated with antibiotics, aspiration, and surgery.
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The reflex that is tested by tapping just below the bent knee on the patellar tendon. Normally this causes the quadriceps muscle to contract and bring the lower leg forward. It has given rise to the saying ‘a knee-jerk reaction.’ Also known as patellar reflex.
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The knee joint has three parts. The thigh bone (the femur) meets the large shin bone (the tibia) to form the main knee joint. This joint has an inner (medial) and an outer (lateral) compartment. The kneecap (the patella) joins the femur to form a third joint, called the patellofemoral joint. The patella protects the […]
- Knee ligaments
The medial collateral ligament (MCL) provides stability to the inner (medial) aspect of the knee. The lateral collateral ligament (LCL) provides stability to the outer (lateral) aspect of the knee. The anterior cruciate ligament (ACL), in the center of the knee, limits rotation and the forward movement of the tibia. The posterior cruciate ligament (PCL), […]
- Knee replacement, total
A surgical procedure in which damaged parts of the knee joint are replaced with artifical parts. The surgery is done by separating the muscles and ligaments around the knee to expose the inside of the joint. The ends of the thigh bone (femur) and the shin bone (tibia) are removed as is often the underside […]
- Knee, artificial
Total knee replacement, a surgical procedure in which damaged parts of the knee joint are replaced with artifical parts. The surgery is done by separating the muscles and ligaments around the knee to expose the inside of the joint. The ends of the thigh bone (femur) and the shin bone (tibia) are removed as is […]