title: Histochemical manifestations of age and endurance training in skeletal muscle fibers.
mesh_terms: D000222:Adaptation, Physiological; D000251:Adenosine Triphosphatases / Q000378:metabolism; D000367:Age Factors; D000818:Animals; D000842:Ankle; D005528:Foot; D006168:Guinea Pigs; D006614:Hindlimb; D006651:Histocytochemistry; D008297:Male; D009119:Muscle Contraction; D009132:Muscles / Q000201:enzymology*; D009210:Myofibrils / Q000201:enzymology; D005082:Physical Exertion; D013385:Succinate Dehydrogenase / Q000378:metabolism*; D013848:Thigh
chemical_list: D013385:Succinate Dehydrogenase; D000251:Adenosine Triphosphatases