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The patella , or kneecap, helps protect the femur and also helps the joint work properly. Because the kneecap is so important, if there are any problems with it, this can affect the way the knee functions and it can cause pain and discomfort. Doctors have found that fractures around the knee replacement, periprosthetic patellar fractures, which include fractures of the femur, may be the most common type of fracture that result in knee replacement complications. The authors of this article review fractures after knee replacements have been performed, the classification systems used to identify the fractures, and the treatment decisions made by the doctors. They found there was no universal classification that could help doctors categorize the fractures, the type of treatment, and probable outcomes. Statistics show that periprosthetic fractures occurred in 0.11 percent to 21.4 percent of patients who underwent a knee replacement. Statistics from the Mayo Clinic Joint registry list a rate ...
I'm in fairly good health but for the past 30 years I have been experiencing a sharp pain in the front left side of my head, its not a headache. It comes and goes sometimes I wont have it for maybe 5 years then it comes and goes today and a few months ago, please help me on this, I'm a 53 year old female. Anabela.
Get thee to a doctor!
Seriously, what you're describing could be ice pick headaches. You can find more info on them in Ice Pick Headaches - The Basics . Also, please see Seeking Migraine and Headache Diagnoses and Medical Advice .
Good luck, John Claude Krusz and Teri Robert
If you need help finding a Migraine and headache specialist, visit our listing of Patient Recommended Specialists .
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There is some convincing evidence that altered kinematics is a major factor in patellofemoral pain syndrome (PFPS). Kinematics refers to patterns of movement -- specifically how the patellofemoral joint and the knee joint rotate and glide in relation to one another during motion. The patellofemoral joint occurs where the patella (kneecap) glides up and down over the femur (thighbone). Increased pressure from contact between the patella and the femur can lead to PFPS. This is called retropatellar stress -- it means behind the kneecap. Stress on the patellofemoral joint is made worse by rotations of the lower leg during weight-bearing activities. And repetitive actions with weight-bearing load during running and jumping increase retropatellar stress. The result is PFPS. In this study, physical therapists attempt to use a two-dimensional (2-D) method of measuring knee alignment. The measurement was called the frontal plane projection angle (FPPA). The hope was to find a simple tool to use ...
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