Effect of pH and stimulus phase on work done by isolated frog sartorius muscle during cyclical contraction

1988 ◽  
Vol 9 (4) ◽  
pp. 329-333 ◽  
Author(s):  
E. D. Stevens
1980 ◽  
Vol 58 (5) ◽  
pp. 568-570 ◽  
Author(s):  
E. Don Stevens

Isolated frog sartorius muscle was incubated for 3 h in Ringer solution (5 mM phosphate buffer) at pH 7 or pH 8. Each muscle was stimulated supramaximally at 2 per second continuously. Muscles at pH 7 fatigued more quickly than those at pH 8. Muscles at pH 8 released acid whereas those at pH 7 did not.


Nature ◽  
1965 ◽  
Vol 206 (4991) ◽  
pp. 1358-1358 ◽  
Author(s):  
H. E. HUXLEY ◽  
W. BROWN ◽  
K. C. HOLMES

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