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. 2010 Sep 20;588(Pt 22):4549–4562. doi: 10.1113/jphysiol.2010.191510

Figure 8. In Kir6.2−/− FDB, decreases in tetanic force and increases in unstimulated force were less during FAT2 than during FAT1.

Figure 8

A, fatigue protocols. All fatigue bouts were elicited with one tetanic contraction every second for 3 min. ‘×’ indicates the end of an experiment. FAT1 and FAT2 were elicited under control conditions (Con) or in the presence of 1 μm verapamil (Ver) added 30 min prior to and removed immediately after FAT1-Ver. B and C, tetanic force(B) and, unstimulated force (C) are expressed as a percentage of the pre-FAT1 tetanic force. Vertical bars represent the s.e.m. of 5 FDB bundles. *Tetanic force and unstimulated force significantly different from FAT1, ANOVA and LSD, P < 0.05.