The knee includes three important groups of bursae. The prepatellar bursa lies in front of the patella. The anserine bursa is located on the inner part of the knee about 2 ins below the joint. The infrapatellar bursa is located underneath the patella.. Anatomy of the Knee The knee joint`s primary function is to bend and straighten for moving the body. The knee is more than a simple hinge just. In addition, it twists and rotates. In order to perform all of these actions and to support the entire body while doing so, the knee relies on a number of structures, including bones, ligaments, tendons, and cartilage.In the other case, a judge upheld it.S. Supreme Court . This article was reprinted from kaiserhealthnews.org with permission from the Henry J. Kaiser Family Foundation. Kaiser Health Information, an unbiased news service editorially, is a scheduled program of the Kaiser Family members Foundation, a nonpartisan healthcare policy research company unaffiliated with Kaiser Permanente.. Calf vein thrombosis and superficial venous thrombosis: tips on management Venous thrombotic problems are normal in medical practice, and management guidelines for DVT and pulmonary embolism are more developed. However, the optimal management of calf vein and superficial venous thrombosis can be more controversial.