Table 2.

Cardiac structure of the control and trained rats during the 3 month training period. Results are presented as mean ± SD.

	Control (n=8)				Trained (n=12)
	Month				Month
	0	1	2	3	0	1	2	3
LVIDd, cm	0.73 ± 0.06	0.72 ± 0.05	0.75 ± 0.04	0.77 ± 0.03	0.71 ± 0.03	0.72 ± 0.04	0.72 ± 0.02	0.75 ± 0.03
PWTd, cm	0.138 ± 0.008	0.138 ± 0.004	0.140 ± 0.002	0.143 ± 0.005	0.138 ± 0.005	0.140 ± 0.002	0.155 ± 0.005*	0.155 ± 0.004*
IVSTd, cm	0.138 ± 0.007	0.138 ± 0.004	0.140 ± 0.001	0.143 ± 0.006	0.138 ± 0.004	0.140 ± 0.002	0.155 ± 0.004*	0.155 ± 0.005*
LVM, g	0.59 ± 0.04	0.62 ± 0.07	0.68 ± 0.06	0.72 ± 0.03	0.61 ± 0.02	0.67 ± 0.06	0.76 ± 0.02*	0.84 ± 0.06*
RWT	0.38 ± 0.023	0.38 ± 0.022	0.37 ± 0.022	0.37 ± 0.024	0.39 ± 0.021	0.39 ± 0.022	0.43 ± 0.024*	0.42 ± 0.022*

IVSTd, diastolic interventricular septum thickness; LVIDd, left ventricular end-diastolic internal diameter; LVM, left ventricular mass; PWTd, diastolic posterior wall thickness; RWT, relative wall thickness. * P<0.05, TR x CO group at the same age.