title: Serum enzyme activity and physical condition.
mesh_terms: D000293:Adolescent; D000328:Adult; D001219:Aspartate Aminotransferases / Q000097:blood*; D003402:Creatine Kinase / Q000097:blood*; D006801:Humans; D007770:L-Lactate Dehydrogenase / Q000097:blood*; D008297:Male; D005082:Physical Exertion; D010809:Physical Fitness
chemical_list: D007770:L-Lactate Dehydrogenase; D001219:Aspartate Aminotransferases; D003402:Creatine Kinase