334 



FASCIAE AND MUSCLES OF THE HORSE 



Structure.— The origin is by means of a strong tendon in common with the 

 peroneus tertius, on which also many fibers arise. The common tendon passes 

 downward in the groove between the lateral condyle and the tuberosity of the tibia, 



Patella 



Crest of tibia '-l^ft. 



Long digital extensor ^^ffifsiV 



Lateral digital extensor 



Proxinwl nnnidar liga 

 Lateral m- 



Middle annular ligament 



Distal annular ligament 



Tendon of long extensor 



Tendon of lateral extensor 



Branch of suspensory ligament to 

 extensor tendon 



Gastrocnemius, lateral head 



Salens 



Tendon of gastrocnemius 

 Tarsal tendmi of biceps femoris 

 Deep flexor 



----__ Superficial 

 ,' flexor tendon 



Superficial fiexor 

 tendon 



Deep fiexor tendon 



Suspensory 

 ligament 



Fig. 292. — Muscles of Lower Part of Thigh, Leg, and Foot of Horse; Lateral View. 



o'. Fascia lata; g, g', g", biceps femoris; r, semitendinosus; 5i', lateral condyle of tibia. The extensor brevis is visible 



in the angle between the long and lateral extensor tendons, but by an oversight it is not marked. (After Ellen- 



berger-Baum, Anat. fvir Kiinstler.) 



where a pouch from the femoro-tibial capsule descends three or four inches (ca. 

 7.5 to 10 cm.) beneath the tendon. The belly is fusiform and somewhat flattened. 

 The long tendon of insertion begins in the belly about its middle, and is clear of the 



