Introduction | History of Empiricism. Empiricism is the theory that the origin of all knowledge is sense experience. It emphasizes the role of experience and evidence, especially sensory perception, in the formation of ideas, and argues that the only knowledge humans can have is a posteriori (i.e. based on experience).
The main anatomic structures of the posterolateral aspect of the knee are the lateral (fibular) collateral ligament (LCL) , the popliteus tendon and the popliteofibular ligament.
1 Popliteal pulse: Above the knee in the popliteal fossa, found by holding the bent knee. 2  The patient bends the knee at approximately 124Â°, and the physician holds it in both hands to find the popliteal artery in the pit behind the knee (Popliteal artery).