394 



MUSCLES ON THE SOLE OF THE FOOT. 



Fig. 106.* Inserted into the external os sesa- 



moideum, and root of the inetatarsal 

 bone of the great toe. 



Use. To bring this toe nearer the 

 rest. 



Near the outer edge of the foot, 

 under the second portion of the aponeu- 

 rosis plantaris, are the muscles pecu- 

 liar to the little toe, viz. 



1. Adductor Minimi Digiti Pedis. 



Arises, tendinous and fleshy, from 

 the semicircular edge of a cavity on 

 the inferior part of the protuberance of 

 the os calcis, and from the root of the 

 metatarsal bone of the little toe. 



Inserted into the root of the first 

 joint of the little toe externally. 

 Use. To draw the liyle toe outwards from the rest, and assist 

 in preserving the arched form of the foot. 



2. Flexor Brevis Minimi Digiti Pedis, 



Arises, tendinous, from the os cuboides, near the sulcus 

 or furrow for lodging the tendon of the peroneus longus ; 

 fleshy from the outside of the metatarsal bone that sustains the 

 little toe, below its protuberant part. 



Inserted, into the anterior extremity of the metatarsal bone, 

 and root of the first joint of this toe. 



Use. To bend this toe. 



* The third and a part of the second layer of muscles of the sole of the foot. 1. 

 The divided edge of the plantar fascia. 2. The musculus accessorius. 3. The 

 tendon of the flexor longus digitorum, previously to its division. 4. The ten- 

 don of the flexor longus pollicis. 5. The flexor brevis pollicis. 6. The ad- 

 ductor pollicis. 7. The flexor brevis minimi digiti. 8. The transversus pedis. 

 9. Interossei muscles, plantar and dorsal. 10. A convex ridge formed by the 

 tendon of the peroneus longus muscle in its oblique course across the foot. 



