KNEE JOINT 



forwards, and somewhat medially, and, crossing the anterior 

 cruciate ligament obliquely, is attached to the anterior 

 portion of the lateral surface of the medial condyle. It 

 receives one, or sometimes two, strong slips from the posterior 

 horn of the lateral meniscus (Fig. 186). 



The anterior cruciate ligament is tight in extension, and 



Tendon of insertion 



of adductor magnus 



muscle (cut) 



Popliteal surface of femur 



'Anterior cruciate ligament 



Tendon of popliteus 

 muscle (cut) 



Lateral meniscus 



Groove on tibia for ten- 

 don of popliteus muscle 

 Capsule of proximal 

 tibio-fibular articulation 

 Fibular collateral 

 ligament 



Posterior tibio-fibular 

 ligament 



Head of fibula 



Accessory attach- 

 ment of lateral 

 meniscus 



Medial meniscus 



Posterior cruciate 

 ligament 



Tendon of 

 semi me rn- 

 branosus muscle (cut) 



Tibial collateral 



ligament 



Popliteal surface 



of tibia 



FIG. 186. The Knee Joint opened from behind by the removal of the 

 Posterior part of the Capsule. 



the posterior cruciate ligament is tight inflexion of the knee 

 joint. 



Menisci (O.T. Semilunar Cartilages). The menisci are two 

 crescentic plates of nbro-cartilage which are placed on the 

 condylar surfaces of the tibia. They deepen the surfaces upon 

 which the condyles of the femur roll, and, being movable, they 

 fill up the gaps which would otherwise arise during the move- 



