ARTHROLOGY 67 



The ligamentum popliteum arises from the fossa poplitea of the 

 distal extremity of the femur and extends downward to the posterior 

 rim of the head of the tibia. 



The anterior ligamentum cruciatum genu originates from the fossa 

 poplitea and extends outward antero-laterally to the rim of the 

 head of the tibia (Fig. 25, No. 6). 



The posterior ligamentum cruciatum genu is a short, strong liga- 

 ment which originates from the cavity of the internal condyle 

 of the femur, or condylus internus femoris, and inserts into the 

 internal glenoid cavity of the tibia (Fig. 25, No. i) or cavitas gle- 

 noidalis interna. 



The meniscus of th'^'femoro- tibial articulation is divided into 

 four parts, as follows: first, the. internal adhesio cornu antici carti- 

 laginis lunaice; second, the posterior adhesio cornu antici carlilaginis 

 lunatce; third, the external cornu carlilaginis lunata; fourth, the 

 anterior cornu antici carlilaginis lunata. The latter originates 

 between the condyles and passes around the ligamentum cruciatum 

 genu posticum (Fig. 16, No. B, 7). 



The inner semi-limar fibrous cartilage is well developed and is 

 joined by two ligaments between the femoral and the tibial surfaces 

 (Fig. 25, No. i). 



The external semi-lunar cartilage lies in a cavity between the 

 external femoral condyle and the head of the fibula (Fig. 25, No. 2). 



The fibrous cartilages are bound posteriorly by a ligament, 

 and by a second ligament to the head of the fibula, or capitulum 

 fibulae. Both pads of fibrous cartilage are connected by a transverse 

 ligament called the ligamentum transversale commune (Fig. 25, No. 5). 



The pateUa is provided with several ligaments, as follows: 



The anterior patellar ligament, broad, strong, and irregular in 

 •thickness, extends from the inferior margin of the patella to the 

 rim of the second tibial crest (Fig. 16, No. B, 3). 



Internal ligamentum laterale genu. 3, Anterior patellar ligament. 4, PateUa. 



5, Distal end of femur. 6, Proximal end of tibia. 7, Location of meniscus or 

 pad of fibrocartilage. 



C. Anterior view of tibio-tarsal articulation, i, Distal end of tibia. 2, Its 

 articular surface. 3, Ligamentum anticum. 4, Proximal end of metacarpus-. 



6, Pad of fibro-cartilage. 



D. The dorsal surface of the coccyx. I, The bilobate oil gland. 2, Its duct. 

 3, Levator coccygis. 



E. Inside view of pelvis and thigh. I, Obturator internus. 2, Ambiens. 3, 

 Vastus internus. 4, Internal ligamentum laterale genu. s> Tibialis anticus. 

 6, Loop through which the tibialis anticus passes. 7, Adductors of the thigh. 

 8, Loop for the extensor tendon. 



