ELECTRICAL CHANGES 



43 



dissection — a fact which led Du Bois-Raymond to regard it 

 as a phenomenon not dependent upon injury, but a property 

 of uninjured resting muscle. Hence the name " current 



SEC. 



Fig. 6. — Diphasic variation in frog's sartorius (Keith Lucas, from The 



Jourruil of Physiology). 



of rest " by which it was called. From Hermann, however, 

 came the demonstration that in the intact resting muscle, 

 and also in the dead muscle, the muscle is at the same 

 potential throughout, but that when a part of the muscle is 



