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. 2011 Jun 17;301(3):H1090–H1096. doi: 10.1152/ajpheart.00233.2011

Fig. 1.

Fig. 1.

The daily food intake and postprandial plasma glucose levels in sedentary (Sed) and exercised (Ex) animals. A: obese Zucker rats (OZ) exhibit significantly higher daily food intake compared with age-matched (9–11 wk) lean Zucker rats (LZ) in either the Sed (*significant difference: 9 wk, P = 0.001; 10 wk, P = 0.001; 11 wk, P = 0.001, two-way ANOVA) or Ex group (#significant difference: 9 wk, P = 0.001; 10 wk, P = 0.001; 11 wk, P = 0.001, two-way ANOVA). Exercise training did not change food intake significantly in LZ or OZ. B: the fasting glucose levels were not significantly different between Sed and Ex rats in both LZ and OZ groups. OZ exhibited significantly higher postprandial hyperglycemia compared with LZ in Sed group (*significant difference: 20 min, P = 0.013; 50 min, P = 0.001; 90 min, P = 0.025, two-way ANOVA; #significant difference: P = 0.04 vs. LZ Ex). Exercise normalized the enhanced postprandial glucose levels in OZ, which has no effect on LZ. Values are means ± SE (LZ Sed, n = 5; OZ Sed, n = 6; LZ Ex, n = 6; OZ Ex, n = 5).