Long-term swimming in an inescapable stressful environment attenuates the stimulatory effect of endurance swimming on duodenal calcium absorption in rats

Table 2 Epithelial electrical properties of the duodenum of sedentary and swimming rats

Electrical property	2 weeks		4 weeks		6 weeks		8 weeks
Electrical property	Sedentary (n = 4)	Swimming (n = 4)	Sedentary (n = 8)	Swimming (n = 8)	Sedentary (n = 6)	Swimming (n = 8)	Sedentary (n = 6)	Swimming (n = 8)
PD (mV)	6.74 ± 0.51	6.23 ± 0.65	6.02 ± 1.23	6.25 ± 0.57	7.32 ± 0.36	5.93 ± 0.69	7.40 ± 0.72	4.30 ± 0.33***
Isc (μA/cm²)	66.79 ± 8.04	48.99 ± 4.76	52.48 ± 9.86	62.71 ± 7.47	70.08 ± 7.91	57.21 ± 9.43	63.39 ± 3.37	37.76 ± 4.92***
TER (Ω cm²)	108.03 ± 11.03	130.92 ± 6.97	120.74 ± 8.92	106.38 ± 8.49	111.29 ± 8.39	119.85 ± 14.77	118.39 ± 7.14	122.02 ± 6.20

ISSN: 1880-6562