PMID- 1917743 OWN - NLM STAT- MEDLINE DCOM- 19911113 LR - 20171213 IS - 8750-7587 (Print) IS - 0161-7567 (Linking) VI - 71 IP - 1 DP - 1991 Jul TI - Additive effects of training and high-fat diet on energy metabolism during exercise. PG - 197-203 AB - This study was conducted to obtain additional information about the adaptations after 12 wk of high-fat diet (HFD) per se or HFD combined with endurance training in the rat using a two [diet: carbohydrate (CHO) or HFD] by two (training: sedentary or trained) by two (condition at death: rested or exercised) factorial design. Adaptation to prolonged HFD increases maximal O2 uptake (VO2max; 13%, P less than 0.05) and submaximal running endurance (+64%, P less than 0.05). This enhancement in exercise capacity could be attributed to 1) an increase in skeletal muscle aerobic enzyme activities (3-hydroxyacyl-CoA dehydrogenase and citrate synthase in soleus and red quadriceps) or 2) a decrease in liver glycogen breakdown in response to 1 h exercise at 80% VO2max. When training is superimposed to HFD, the most prominent finding provided by this study is that the diet-induced effects are cumulative with the well-known training effect on VO2max, exercise endurance, oxidative capacity of red muscle, and metabolic responses to exercise, with a further reduction in liver glycogen breakdown. FAU - Simi, B AU - Simi B AD - Laboratoire de Physiologie, Faculte de Medecine, Unite de Recherche Associee 1341 Centre National de la Recherche Scientifique, Lyon, France. FAU - Sempore, B AU - Sempore B FAU - Mayet, M H AU - Mayet MH FAU - Favier, R J AU - Favier RJ LA - eng PT - Journal Article PL - United States TA - J Appl Physiol (1985) JT - Journal of applied physiology (Bethesda, Md. : 1985) JID - 8502536 RN - 0 (Dietary Carbohydrates) RN - 0 (Dietary Fats) RN - 0 (Liver Glycogen) RN - IY9XDZ35W2 (Glucose) SB - IM MH - Animals MH - Body Weight MH - Diet MH - Dietary Carbohydrates/pharmacology MH - Dietary Fats/*pharmacology MH - Energy Metabolism/*drug effects MH - Glucose/metabolism MH - Glycolysis/drug effects MH - Liver/drug effects/metabolism MH - Liver Glycogen/metabolism MH - Male MH - Muscles/enzymology/physiology MH - Oxygen Consumption/drug effects MH - *Physical Conditioning, Animal MH - Rats MH - Rats, Inbred Strains OID - NASA: 92011215 EDAT- 1991/07/01 00:00 MHDA- 1991/07/01 00:01 CRDT- 1991/07/01 00:00 PHST- 1991/07/01 00:00 [pubmed] PHST- 1991/07/01 00:01 [medline] PHST- 1991/07/01 00:00 [entrez] AID - 10.1152/jappl.1991.71.1.197 [doi] PST - ppublish SO - J Appl Physiol (1985). 1991 Jul;71(1):197-203. doi: 10.1152/jappl.1991.71.1.197.