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Table 2 Resting membrane potential (RMP), action potential amplitude (AMP), action potential duration at 20% (ADP20), action potential duration at 50% (ADP50) and action potential duration at 90% (ADP90) of repolarization

From: Moderate intensity physical activity prevents increased blood glucose concentrations, fat pad deposition and cardiac action potential prolongation following diet-induced obesity in a juvenile-adolescent rat model

  CON PA HFHC HFHC + PA
RMP −69.5 ± 1.7 −64.1 ± 1.7 −67.1 ± 1.2 −62.4 ± 1.8*
APA 66.2 ± 2.8 65.6 ± 2.7 68.5 ± 2.1 64.3 ± 2.8
APD20 23.6 ± 0.5 24.5 ± 0.3 25.6 ± 0.7 23.9 ± 0.6
APD50 32.2 ± 1.4 34.0 ± 1.6 38.6 ± 1.4* 33.2 ± 1.1
APD90 70.6 ± 5.8 77.2 ± 0.4 91.9 ± 3.9* 77.9 ± 4.2
  1. Data expressed as Mean ± SEM; n = 16 for all groups. *P < 0.05 vs CON, P < 0.05 vs PA, P < 0.05 vs HFHC.