Lower Extremity II study guide What are the bones of the leg? Which forms the knee articulation? Which is the predominant weight bearing bone? What are the malleoli? Diagram a cross section of the leg. What is the deep investing fascia of the leg? Where are the: interosseous membrane, ant/lat/transverse intramuscular septa, superficial/deep peroneal n., anterior/posterior tibial a., peroneal a., tibial n.? What are the muscles of the anterior compartment of the leg? What are the general action, innervation, and blood supply? What are the two extensor retinacula of the ankle? What evertor is present in humans, but not other primates? What are shin splints? What is "drop foot"? What are the muscles of the lateral compartment of the leg? What are the general action, innervation, and blood supply? What are the muscles of the superficial posterior compartment of the leg? What are the general action, innervation, and blood supply? What is the common tendon of this group of muscles? What are the muscles of the deep posterior compartment of the leg? What are the general action, innervation, and blood supply? What is a ruptured calcaneal tendon? What are the contents of the popliteal fossa? How does the knee get "locked"? What is the purpose of this? What are the non-muscular structures that help prevent dislocation of the knee? Which collateral ligament of the knee is stronger? What is the terrible triad of structures that are commonly injured in tandem? Which cruciate ligament prevents anterior translation of the tibia relative to the femur? Which is injured with excessive hyperflexion? What is the innervation of the leg? What is the most commonly damaged nerve of the lower extremity? What are the arteries of the leg? What comprises the genicular anastamosis?