AND PHYSIOLOGY. 



133 



Fig. 148. Fia. 149. 



A Yiew of the Outer Layer of Muscles the Le S- Tendon of the Quadriceps 

 on the Back of the Fore- Arm (Extensors). Femoris. 2, Spine of the Tibia. 3, Tibi- 

 1, Lower portion of the Biceps Flexor. 2, alis Anticus. 4, Extensor Communis Digi- 

 Part of the Brachialis Internus. 3, Lower torum. 5, Extensor Proprius Pollicis. 6, 

 part of the Triceps Extensor. 4, Supinator Peroneus Tertius. T, Peroneus Longus. 

 Radii Longus. 5, Extensor Carpi Eadialis 8 > Peroneus Brevis. 9, 9, Borders of th« 

 Longior. 6, Extensor Carpi Eadialis Bre- Soleus. 10, Portion of the Gastrocnemius, 

 yior. 7, Tendinous Insertions of these two H> Extensor Brevis Digitorum. 

 Muscles. 8, Extensor Communis Digito- 

 rum. 9, Portion of the Extensor Communis Digitorum called Auricularis. 10, 

 Extensor Carpi Ulnaris. 11, Anconeus. 12, Portion of the Flexor Carpi Ulnaris. 

 13, Extensor Minor Pollicis. The Muscle nearest the Figure is the Extensor Ossis 

 Metacarpi Pollicis. 14, Extensor Major Pollicis. 17, Posterior Annular Ligament. 

 The distribution of the Tendons of the Extensor Communis is seen on the backs of 

 the Fingers. 



