THE UPPER LIMB 



379 



has on its outer side the superficial head of the flexor brevis pollicis, 

 and on its inner side the adductor obhquus polhcis. 



Hypothenar Muscles. — The short muscles of the little finger are 

 three in number, namely, the abductor, flexor brevis, and opponens, 

 minimi digiti. 



-- Flexor Carpi Radialis 



.l__lS. Flexor Longus Pollicis 



[1 



Abductor Pollicis (cut) 



Head of Flexor 

 Pollicis 



Flexor Carpi Ulnaris 



Flexor Sublimis Digitcrum 



Anterior Annular 



Ligament 



Abductor Minimi 



Digiti 

 Flexor Brevis Minimi _ "' 



Digiti JUJi, 



Opponens Minimi '• ^ ' 



Digiti 



3rd Palmar Inteross. 



4th Dorsal Inteross. 



2nd Palmar Inteross. 



3r Dorsal Inteross.-'" 

 2nd Dorsal Inteross.,-" 



--ist Dorsal 

 Interosseous 



— -ist Palmar 

 Interosseous 



^.ist Lumbricalis 



Fig. 203. — The Thenar and Hypothenar Muscles. 





I. Abductor Minimi Digiti — Origin. — ^The lower part of the pisi- 

 form bone. 



Insertion. — (i) The inner side of the base of the first phalanx of 

 the little finger, in common with the flexor brevis minimi digiti ; 

 and (2) the inner margin of the tendon of the extensor minimi digiti 

 on the back of the phalanx. 



Nerve-supply. — The deep division of the ulnar nerve. 



