Figure 4.
Male Fischer 344 rats used in experiment 2 remained sedentary or were allowed voluntary access to running wheels for 6 weeks prior to wheel lock. A. Mean weekly body weight change (grams) of sedentary and physically active (6 wk Run) rats. B. The mean distance (kilometers) ran each week by the physically active rats. Values represent group means ± SEM. BL, Baseline.
