Table 2.
Body and cardiac mass
| Body Mass, g | Cardiac Mass, mg | HW/BW, mg/g | |
|---|---|---|---|
| Soy | |||
| Sedentary | |||
| Males (n = 8) | 29.5 ± 0.6 | 146.9 ± 5.1 | 4.89 ± 0.08 |
| Females (n = 8) | 23.2 ± 0.4 | 115.1 ± 2.2 | 4.96 ± 0.08 |
| Exercised | |||
| Males (n = 5) | 27.4 ± 0.8 | 139.8 ± 4.0 | 5.11 ± 0.02† |
| Females (n = 5) | 21.2 ± 0.7 | 121.1 ± 4.7 | 5.72 ± 0.10† |
| Casein | |||
| Sedentary | |||
| Males (n = 9) | 27.4 ± 0.9 | 142.3 ± 3.8 | 4.91 ± 0.10 |
| Females (n = 14) | 22.6 ± 0.8 | 116.8 ± 2.9* | 5.23 ± 0.17 |
| Exercised | |||
| Males (n = 8) | 26.4 ± 1.2 | 155.1 ± 6.1 | 5.90 ± 0.15† |
| Females (n = 10) | 21.9 ± 0.6 | 134.6 ± 3.8*† | 6.15 ± 0.07† |
Values are means ± SE. Summary of morphometric data from sedentary and exercised C57Bl/6J male and female mice eating a soy- or casein-based chow as indicated. Heart rate/body weight (HW/BW) was determined by dividing cardiac mass (in mg) by body weight (in g).
*
P < 0.05, from values obtained for males; †P < 0.05, from values obtained in respective sedentary counterparts.