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de Lima FD, Correia AL, Teixeira Dda S, et al. Acute metabolic response to fasted and postprandial exercise. Int J Gen Med. 2015;8:255-60doi: 10.2147/IJGM.S87429.
de Lima, F. D., Correia, A. L., Teixeira, D. d. a. . S., da Silva Neto, D. V., Fernandes, �. �. S., Viana, M. B., Petitto, M., da Silva Sampaio, R. A., Chaves, S. N., Alves, S. T., Dantas, R. A., & Mota, M. R. (2015). Acute metabolic response to fasted and postprandial exercise. International journal of general medicine, 8255-60. https://doi.org/10.2147/IJGM.S87429
de Lima, Filipe Dinato, et al. "Acute metabolic response to fasted and postprandial exercise." International journal of general medicine vol. 8 (2015): 255-60. doi: https://doi.org/10.2147/IJGM.S87429
de Lima FD, Correia AL, Teixeira Dda S, da Silva Neto DV, Fernandes ÍS, Viana MB, Petitto M, da Silva Sampaio RA, Chaves SN, Alves ST, Dantas RA, Mota MR. Acute metabolic response to fasted and postprandial exercise. Int J Gen Med. 2015 Aug 13;8:255-60. doi: 10.2147/IJGM.S87429. eCollection 2015. PMID: 26316800; PMCID: PMC4540134.
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Int J Gen Med. 2015 Aug 13;8:255-60. doi: 10.2147/IJGM.S87429. eCollection 2015.

Acute metabolic response to fasted and postprandial exercise.

International journal of general medicine

Filipe Dinato de Lima, Ana Luiza Matias Correia, Denilson da Silva Teixeira, Domingos Vasco da Silva Neto, Ítalo Sávio Gonçalves Fernandes, Mário Boratto Xavier Viana, Mateus Petitto, Rodney Antônio da Silva Sampaio, Sandro Nobre Chaves, Simone Teixeira Alves, Renata Aparecida Elias Dantas, Márcio Rabelo Mota

Affiliations

  1. University of Brasília, Brasília, DF, Brazil ; Universitary Center of Brasília (UniCEUB), Brasília, DF, Brazil.
  2. University of Brasília, Brasília, DF, Brazil.
  3. Universitary Center of Brasília (UniCEUB), Brasília, DF, Brazil.

PMID: 26316800 PMCID: PMC4540134 DOI: 10.2147/IJGM.S87429

Abstract

The aim of this study was to analyze the acute metabolic response to exercise in fasting and postprandial. For this, ten individuals were submitted to an incremental treadmill test, with an initial speed of 5 and 1 km/h increments every minute, with no inclination, and a body composition assessment. After this 1st day, all volunteers were submitted to two experimental procedures (fasting and postprandial), with an aerobic exercise performed for 36 minutes at 65% of maximal oxygen consumption. At postprandial procedure, all subjects ingested a breakfast containing 59.3 g of carbohydrate (76.73%), 9.97 g of protein (12.90%), 8.01 g of lipids (10.37%), with a total energy intake of 349.17 kcal. An analysis of plasma concentration of triglycerides, lactate, and glucose was performed in two stages: before and after exercise. The Shapiro-Wilk test was used to verify the normality of the data. For analysis of glucose concentration, plasma lactate, and triglycerides, we used a repeated measures analysis of variance factorial 2×2, with Bonferroni multiple comparison test. The significance level of P<0.05 was adopted. The results indicated a maintenance level of glucose at fasting and a decrease in glucose concentration at postprandial exercise. Both conditions increase plasma lactate. Triglycerides also increased in the two experimental conditions; however, after exercise fasting, the increase was significantly higher than in the postprandial exercise. These data suggest that both exercises could increase plasma lactate and triglycerides. However, exercise performed in fasting condition decreases glucose concentration and increases triglycerides, even more than postprandial exercise.

Keywords: aerobic exercise; blood glucose; energy metabolism; lactic acid; triglycerides

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