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The effect of age and exercise on heart and body weight in rats.
| Rats | HW (mg) | BW (g) | HW/BW (mg/g) |
|---|---|---|---|
| Young (n = 10) | 730 ± 60 | 213 ± 31 | 3.55 ± 0.23 |
| Old (n = 9) | 1588 ± 155∗ | 583 ± 25∗ | 2.98 ± 0.26∗ |
| Exercised old (n = 8) | 1841 ± 143† | 484 ± 29† | 3.87 ± 0.25† |
Values are means ± SE. BW, body weight; HW, heart weight.
* P < 0.05 versus young rats; † P < 0.05 versus old rats.
