ARTHROLOGY. 47 



Below. Ext. obturator. 

 Above. Small gluteal. 

 Action. 



Same as shoulder. 



FEMORO-TIBIAL ARTICULATION. 



A condyloid joint between the femur above, tibia below and 

 patella in front. 



FIG. 4. 



No. 2. External face; the external condyle of the femur and the meniscus have been 

 removed to show the crucial ligaments. i, Anterior crucial ligament; 2, Posterior 

 ditto; 3, Fibular insertion of the external lateral ligament; 4, Anterior patellar 

 ligaments. A, Internal meniscus; B, Anterior insertion of the external meniscus; 

 c, Passage for the tendinous cord common to the flexor of the metatarsus and the 

 anterior extensor of the phalanges; D, Anterior and superior tuberosity of the 

 tibia; E, Tibial crest. 



Ligaments. 



Anterior or ligamentum patella of three strong fasciculi from 

 patella to the anterior surface of the tibia. 



Ante-patellar aponeurosis, an expansion of the fascia lata bind- 

 ing patella to the femur by two lateral fasciculi. 



External lateral, from external condyle to head of fibula. 



Internal lateral, from internal condyle to inner tibial tuberosity. 



