THE WRIST AND HAND 



1427 



brachio-radialis and flexor carpi radialis. Next to this tendon is the palmaris 

 longus, when present. At the mid-point of the front of the wrist and usually 

 under the palmaris longus is the median nerve. To the medial side of the palmaris 

 longus is the flexor sublimis, the tendons for the middle and ring-finger being in 

 front. The tendon of the flexor carpi ulnaris is most medial and between this and 

 the superficial flexor of the finger the ulnar nerve and vessels have come up into a 

 superficial position. 



Fig. 1144. — The Superficial Muscles of the Palm of the Hand. 



Flexor carpi radialis 



Abductor pollicis longus 



Opponens pollicis 



Abductor pollicis brevis 



Flexor pollicis brevis 



Abductor pollicis 



First lum- 

 ■\^^ brical 



--^^ — First dor- 

 V" -^-*V sal inter- 



» osseous 



Ligamentum vaginale 



Flexor digitorum sublimis 



Flexor digitorum profundus 



Flexor digitorum 

 profundus 



Fasciae and sheaths. — The transverse and dorsal carpal (annular) ligaments 

 bind down and hold in place the numerous tendons about the wrist. The trans- 

 verse carpal (anterior annular), when healthy, cannot be detected. It is attached 

 to the pisiform and triquetral (cuneiform) bones on the medial, and to the na- 

 vicular and greater multangular (trapezium) on the lateral, side. 



