Table 2.
Effects of Voluntary Running on Adrenal Steroids in the Rat. All animals were 2 to 4 months of age at the start of the studies. Durations were rounded to the nearest week.
| Citation | Strain | Sex | Housing | Duration | Distance | Parameter | Results |
|---|---|---|---|---|---|---|---|
| (Stranahan et al., 2006) | SD | M | individual or group |
2 wk | 2 km/d | basal and post- immobilization stress CORT |
prolonged ↑ in CORT in individually housed runners |
| (Zheng et al., 2006) | SD | M | individual | 5–8 wk | not reported |
basal CORT | ↑ basal CORT |
| (Fediuc et al., 2006) | SD | M | individual | 5 wk | 9 km/d | circadian and post-immobilization stress CORT | circadian phase-dependent ↑ in CORT; no change in stress-induced CORT |
| (Makatsori et al., 2003) | Lewis | M | individual | 3 wk | 5 km/d | basal ACTH and CORT | ↑ basal CORT and ACTH |
| (Campisi et al., 2003) | Fischer F344 | M | individual | 8 wk | 3 km/d | basal and post-shock stress CORT | no change |
| (Naylor et al., 2005) | SHR | F | individual | 1 or 3 wk | 22 km/d | basal CORT | duration-dependent ↑ in basal CORT |