128 GENERAL PROPERTIES OF LIVING TISSUES 



currents of considerable intensity are necessary 

 to overcome it. Once through the epidermis, the 

 current spreads immediately in all directions 

 through the cutis, where it stimulates the very 



Mm. lumbricales 



M. opponens digit, min. 



M. flexor digit, min. 



M. abd. digit min. 



M. palmaris brevis 



N. ulnaris (ram. vol. 

 N. medianus 



M. flexor digit, subl. 

 (ind. and minim.) 



M. flexor, digit, subl. 

 (II & III) 



M. flexor digit profund. 



M. ulnaris internus 



(flexor carp, uln.) 



M. palm, longus 



Mi pronator teres 



N. medianus 



M. adductor poll. 

 M. flexor poll, brevis 

 M. opponens pollicis 

 M. abductor poll, brevis 



M. flexor pollicis longus 



M. flexor digit, aubl. 



M. rad. internus (flexc 

 carp, rad.) 



M. supin. longus 



N. ulnaris 



Pig 35. The motor points on the anterior surface of the forearm and 

 hand. 



numerous sensory nerves. When the muscles or 

 motor nerves are reached, the density is much 

 reduced, and may not suffice for stimulation. 

 Thus the result may be not motor stimulation, 

 but simply pain from stimulation of the sensory 



