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. 2015 Dec;146(6):509–525. doi: 10.1085/jgp.201511476

Figure 9.

Figure 9.

Effect of 10 µM ouabain at 9 mM K+ and 100 µM ouabain at 4.7 mM K+. Effects of 10 µM ouabain added as [K+]e was increased to 9 mM on (A) tetanic force and (B) resting EM of diaphragm. Effects of 100 µM ouabain at 4.7 mM K+ on (C) tetanic force in diaphragm and (D) resting EM of soleus (S), EDL (E), and diaphragm (D). Error bars represent the SEM of 5 muscles (A and B) and 86–177 fibers/5 muscles (C and D). *, mean tetanic force or resting EM of HyperKPP muscle was significantly different from the mean values of wild-type muscle; ANOVA and LSD, P < 0.05.