. 2009 Apr 7;64A(6):618–628. doi: 10.1093/gerona/glp026

Table 4.

FO in Old CR Rats

	Group	8-Mo AL	30-Mo AL	30-Mo CR
Body weight (g)	CON	414 ± 38	533 ± 48	349 ± 23
Body weight (g)	FO	404 ± 25	505 ± 45	303 ± 36
PL wet weight (mg)	CON	419 ± 12	353 ± 24	327 ± 29
PL wet weight (mg)	FO	513 ± 13^*	389 ± 45	413 ± 52^*
PL protein content (mg)	CON	91 ± 3	67 ± 5	79 ± 8
PL protein content (mg)	FO	107 ± 2^*	79 ± 11	99 ± 9^**

Notes: Functional overload (FO) was induced in the plantaris (PL) muscle for 14 days in three groups of male Fisher 344–Brown Norway F1 hybrid rats: 8-mo ad-libitum fed, 30-mo ad-libitum fed, and 30-mo 40% calorie restricted (CR). Data are mean ± standard deviation (n = 6 per group).

A significant difference between the control (CON) and FO groups (p < .001) within a group.