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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.
Photo Credit legs of runner image by jimcox40 from Fotolia.com. Numerous conditions can cause pain in the back of your knee, including injuries of, or damage to, muscles, tendons and ligaments in the posterior knee compartment, according to the Sports Injury Clinic website.ccording to the American Academy of Orthopaedic Surgeons, knee pain, including pain in the back of your knee that is caused by musculoskeletal problems, usually responds well to conservative therapies, such as rest, ice, compression, elevation and temporary activity modification.