Table 1. Research design. Treatment n Week 0 Week 12 Week 13 CON 15 aSucrose Swimming performance Tissue harvest INCO 15 bIncomplete food Swimming performance Tissue harvest CREAT-I 15 cCr supplem started Swimming performance Tissue harvest CREAT-II 15 dCr supplem started Swimming performance Tissue harvest Cr supplementation 2 g·kg·day in 12 week CON = no Cr supplementation, INCO = no Cr supplementation and incomplete food intake, CREAT-I = Cr supplementation 1 g·kg·day, CREAT-II = Cr supplementation 2 g/kg/day CREAT-II). Sucrose placebo No Cr supplementation and incomplete food intake (lacking lysine and methionine in diet for rat) Cr supplementation 1 g·kg·day in 12 week