SHOULDER, .lA'V, I-OR I-'.A k.M, AND IIAXD. 



The cutaneous branch of the musculo-cutaneous nerve supplies the skin over 

 tlie insertion of the biceps ; inasmuch as the supinator longus is also a flexor of 

 the forearm, and receives a part of its nerve-supply from the musculo-cutaneous 

 nerve, the skin over the insertion of this muscle is also supplied by the same 

 See Milton's law in the introductory chapter. 



nerve. 



Flexor brevis 

 pollioia 



Abductor pollicia 



Flexor carpi ulnarlB 

 Abductor minimi 

 digitl 



Flexor breviB and 

 opponena minimi 

 digit! 



Flexor oarpi 



ulnaria 



Adductor pollioia 



Opponena minimi 

 digit! 



Abductor and 

 flexor breviB 

 minimi digit! 



Opponena pollicla 



Occaaional insertion Into trapezium 

 Extensor oasis metaoarpi pollicia 



Flexor oarpi radialia 

 Interosseus primus volariB 

 Opponena pollioia 



Flexor breviB and 

 Abductor pollicis 



Flexor brevia and 

 Adductor polllciB 



Flexor IOUKUB 

 pollioia 



Flexor profundus digltorum 



Fic;. 109. TIIK I.KKT HAND. (Palmar surface.) 



DEEP FASCIA OF THE HAND. 



The deep fascia fascia profunda lies immediately under the superficial 

 fascia, being in intimate trabecular relation with the deep layer of the superficial 

 fascia. In the palm of the hand it is very dense and heavy ; over the thenar and 

 hypothenar eminences it is very thin. 



The deep fascia takes the following special names : 



1. The anterior annular ligament in front of wrist. 



2. The palmar fascia in palm of the hand. 



3. The ligamenta vaginales on flexor side of the digits. 



