Skeletal muscle TBARS levels, protein carbonyl groups and Mn-SOD and Cu-SOD protein levels. TBARS levels are expressed in nmol/mg protein. Protein carbonyl groups, Mn-SOD, Cu-SOD and UCP3 protein levels are expressed as % AU (arbitrary units), where control male rats were set as 100%. Values are expressed as the mean ± S.E.M of eight animals per group. ANOVA (p < 0.05): S sex effect, D HFD effect, S*D sex and HFD interactive effect and NS non significant effect. Student's t-test (p < 0.05): aHFD vs control, bfemale vs male.