Antioxidants/pharmacology; Blueberry Plants/chemistry; Flavonoids/pharmacology; Fruit/chemistry; Muscle, Skeletal/drug effects; Oxidative Stress/drug effects; Phenols/pharmacology; Animals; Anthocyanins/analysis; Anthocyanins/chemistry; Anthocyanins/isolation & purification; Antioxidants/analysis; Antioxidants/chemistry; Antioxidants/isolation & purification; Biomarkers/metabolism; Cell Differentiation/drug effects; Cell Line; Creatine Kinase/metabolism; Dose-Response Relationship, Drug; Flavonoids/analysis; Flavonoids/chemistry; Flavonoids/isolation & purification; Glycosides/analysis; Glycosides/chemistry; Glycosides/pharmacology; Ionophores/toxicity; Lactate Dehydrogenases/metabolism; Muscle Fibers, Skeletal/cytology; Muscle Fibers, Skeletal/drug effects; Muscle Fibers, Skeletal/enzymology; Muscle, Skeletal/enzymology; Phenols/analysis; Phenols/chemistry; Phenols/isolation & purification; Phytotherapy; Plant Extracts/chemistry; Plant Extracts/isolation & purification; Plant Extracts/pharmacology; Polyphenols; Rats; Reactive Oxygen Species/analysis; Time Factors