Each browser has its own settings to control how PDFs open from a web page. Acrobat DC and Acrobat Reader DC do not include a preference setting to open web-based PDFs. To change the display behavior, follow the instructions below for your browser, or see the browser documentation on how to control plug-ins or add-ons.
Less common causes of posterior knee pain. Referred pain is where an injury or problem elsewhere causes pain at the back of the knee. This can be from the lower back or lumbar spine and pain is referred down into the knee through the sciatic nerve. Or pain from the patellofemoral joint or between the kneecap and thigh bone can also refer pain into the back of the knee.
In most cases, upper and middle back pain is caused by: 1  Overuse, muscle strain, or injury to the muscles, ligaments, and discs that support your spine.2  Poor posture. 3  Myofascial painMyofascial pain that affects the connective tissue of a muscle or group of muscles.onditions that put pressure on the spinal nerves also can cause pain. These include: 1  OsteoarthritisOsteoarthritis. 2  This occurs when the cartilage that cushions the small facet joints in the spine breaks down. 3  When this happens, the back bones rub together and cause damage and pain.