MUSCLES OF THE FOOT. 



227 



Insertion Divides into four tendons, which are per- 

 forated by the tendons of the flexor longus digi- 

 torum ; inserted on the side of second phalanges. 



Nerve Internal plantar. 

 ABDUCTOR MINIMI DIGITI. 



Origin Outer tubercle and inferior surface of os calcis. 



Insertion Outer side of 

 base of first phalanx of 

 little toe. 



Nerve External plantar. 



Second Layer. 

 FLEXOR ACCESSORIUS. 



Origin Two heads, 

 outer, from in front of 

 outer tubercle ; inner, 

 from in front of inner 

 tubercle. 



Insertion Posterior edge 

 of the tendon of flexor 

 longus digitorum. 



Nerve External plantar. 



FOUR LUMB RIG ALES. 



Origin From sides of 



tendons of long flexor. 



FIG. 102. SECOND LAYER OF MUS- 

 CLES OF FOOT. 



1, flexor accessorius ; 2, flex. long, digitorum ; 

 3, flex. long, pollicis. 



Insertion Each muscle is 



inserted on the inner 



side of the bases of first 



phalanges of the four outer toes. 

 Nerves Internal and external plantar. 



Third Layer. 



FLEXOR BREVIS POLLICIS. 



Origin From inner part of cuboid and outer cunei- 

 form, and tendon of posterior tibial. 



