INTEROSSEOUS MUSCLES. 395 



Between the metatarsal bones are four external and three internal interossei : 

 and one muscle which is common to all the metatarsal bones. 



Interossei Pedis Externi, Bicipites. 



1. Abductor Indicis Pedis , 



Arises, tendinous and fleshy, by two origins, from the root 

 of the inside of the metatarsal bone of the fore toe, from the 

 outside of the root of the metatarsal bone of the great toe, and 

 from the os cuneiforme internum. 



Inserted, tendinous, into the inside of the root of the first 

 joint of the fore toe. 



Use. To pull the fore toe inwards from the rest of the small 

 toes. 



2. Adductor Indicis Pedis, 



Arises, tendinous and fleshy, from the roots of the metatarsal 

 bones of the fore and second toe. 



Inserted, tendinous, into the outside of the root of the first 

 joint of the fore toe. 



Use. To pull the fore toe outwards towards the rest. 



3. Adductor Medii Digiti Pedis, 



Arises, tendinous and fleshy, from the roots of the metatarsal 

 bones of the second and third toes. 



Inserted, tendinous, into the outside of the root of the first 

 joint of the second toe. 



Use. To pull the second toe outwards. 



4. Adductor Tertii Digiti Pedis, 



Arises, tendinous and fleshy, from the roots of the metatarsal 

 bones of the third and little toe. 



Inserted, tendinous, into the outside of the root of the first 

 joint of the third toe. 



Use. To pull the third toe outwards. 



