Results of two-way ANOVA testing for the effect of ultraviolet B radiation (UV-B) and N-acetylcysteine (NAC) on critical sustained swimming speed (Ucrit), glutathione concentration, protein carbonyl concentration (PC), lipid peroxidation (LP), sarco-endoplasmic reticulum Ca2+-ATPase (SERCA) activity, state 3 and state 4 rates of mitochondrial respiration, respiratory control ratio (RCR), and amount of ATP produced per atom of oxygen consumed (P:O ratio)