OLAMENESS IN THE HIND LEG 



193 



patella, according to Strangeways, may be considered a sesamoid 

 bone. 



The quadriceps group of muscles is assisted by the anterior 

 digital extensor (extensor pedis) peroneus tertius and tibialis 



Fema 



Accessory cartilage of . 



patella [ 



Medial ridge of trochlea 



Medial patellar ligament 



Medial epicondyle 



Medial femoro-lihial ■ i. 

 ligament |. 



Medial mentbcw -'-^ 



edial ment^cw —^ — \ 

 ondiile of tibia — ET" i 



Medial condyle of 



Tuberosity of 'Ma 



~ Patella 



Biceps femoris 

 - Lateral patellar ligament 



Lateral femoro-libial 

 ligament 



Lateral meniscus 

 Lateral condyle of tibia 



Interosseous sj)ace 



Fibula 



Interosseous ligament 



Fig. 45— Left Stifle joint; front view. The capsules are removed. 1. Middle 

 patellar ligament. 2. Stump of fascia lata. 3. Stump of common tendon of 

 extensor longus and peroneus tertius. (From Sisson's "Anatomy of Domestic 

 Animals.") 



anticus (flexor metatarsi) muscles. The latter pair (flexor 

 metatarsi, muscular and tendinous portions, because of their 

 attachment to the external condyle of the femur and to the 

 metatarsal bone) are enabled to automatically flex the tarsal 

 joint when the stifle is flexed. 



