Relationship between training status and maximal fat oxidation rate

Adriano Lima-Silva, Romulo Bertuzzi, Flavio Pires, Joao Gagliardi Joao, Ronaldo Barros, John Hammond, Monica Kiss

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    Abstract

    This study aimed to compare maximal fat oxidation rate parameters between moderate- and low-performance runners. Eighteen runners performed an incremental treadmill test to estimate individual maximal fat oxidation rate (Fatmax) based on gases measures and a 10,000-m run on a track. The subjects were then divided into a low and moderate performance group using two different criteria: 10,000-m time and VO2max values. When groups were divided using 10,000-m time, there was no significant difference in Fatmax (0.41 ± 0.16 and 0.27 ± 0.12 g.min(-1), p = 0.07) or in the exercise intensity that elicited Fatmax (59.9 ± 16.5 and 68.7 ± 10.3 % O2max, p = 0.23) between the moderate and low performance groups, respectively (p > 0.05). When groups were divided using VO2max values, Fatmax was significantly lower in the low VO2max group than in the high VO2max group (0. 29 ± 0.10 and 0.47 ± 0.17 g.min(-1), respectively, p < 0.05) but the intensity that elicited Fatmax did not differ between groups (64.4 ± 14.9 and 61.6 ± 15.4 %VO2max). Fatmax or %VO2max that elicited Fatmax was not associated with 10,000 m time. The only variable associated with 10,000-m running performance was %VO2max used during the run (p < 0.01). In conclusion, the criteria used for the division of groups according to training status might influence the identification of differences in Fatmax or in the intensity that elicits Fatmax. Key pointsThe results of the present study suggest that the criteria used to categorize aerobic training status of subjects can influence the magnitude of differences in Fatmax.The Fatmax is similar between groups with similar 10,000-m running performance.The 10,000-m running performance seems to be associated with an increased ability to oxidize carbohydrate
    Original languageEnglish
    Pages (from-to)31-35
    Number of pages5
    JournalJournal of Sports Science and Medicine
    Volume9
    Issue number1
    Publication statusPublished - 2010

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    Lima-Silva, A., Bertuzzi, R., Pires, F., Gagliardi Joao, J., Barros, R., Hammond, J., & Kiss, M. (2010). Relationship between training status and maximal fat oxidation rate. Journal of Sports Science and Medicine, 9(1), 31-35.
    Lima-Silva, Adriano ; Bertuzzi, Romulo ; Pires, Flavio ; Gagliardi Joao, Joao ; Barros, Ronaldo ; Hammond, John ; Kiss, Monica. / Relationship between training status and maximal fat oxidation rate. In: Journal of Sports Science and Medicine. 2010 ; Vol. 9, No. 1. pp. 31-35.
    @article{f02767333a2f453fa4eddf1fc2447dbd,
    title = "Relationship between training status and maximal fat oxidation rate",
    abstract = "This study aimed to compare maximal fat oxidation rate parameters between moderate- and low-performance runners. Eighteen runners performed an incremental treadmill test to estimate individual maximal fat oxidation rate (Fatmax) based on gases measures and a 10,000-m run on a track. The subjects were then divided into a low and moderate performance group using two different criteria: 10,000-m time and VO2max values. When groups were divided using 10,000-m time, there was no significant difference in Fatmax (0.41 ± 0.16 and 0.27 ± 0.12 g.min(-1), p = 0.07) or in the exercise intensity that elicited Fatmax (59.9 ± 16.5 and 68.7 ± 10.3 {\%} O2max, p = 0.23) between the moderate and low performance groups, respectively (p > 0.05). When groups were divided using VO2max values, Fatmax was significantly lower in the low VO2max group than in the high VO2max group (0. 29 ± 0.10 and 0.47 ± 0.17 g.min(-1), respectively, p < 0.05) but the intensity that elicited Fatmax did not differ between groups (64.4 ± 14.9 and 61.6 ± 15.4 {\%}VO2max). Fatmax or {\%}VO2max that elicited Fatmax was not associated with 10,000 m time. The only variable associated with 10,000-m running performance was {\%}VO2max used during the run (p < 0.01). In conclusion, the criteria used for the division of groups according to training status might influence the identification of differences in Fatmax or in the intensity that elicits Fatmax. Key pointsThe results of the present study suggest that the criteria used to categorize aerobic training status of subjects can influence the magnitude of differences in Fatmax.The Fatmax is similar between groups with similar 10,000-m running performance.The 10,000-m running performance seems to be associated with an increased ability to oxidize carbohydrate",
    author = "Adriano Lima-Silva and Romulo Bertuzzi and Flavio Pires and {Gagliardi Joao}, Joao and Ronaldo Barros and John Hammond and Monica Kiss",
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    Lima-Silva, A, Bertuzzi, R, Pires, F, Gagliardi Joao, J, Barros, R, Hammond, J & Kiss, M 2010, 'Relationship between training status and maximal fat oxidation rate', Journal of Sports Science and Medicine, vol. 9, no. 1, pp. 31-35.

    Relationship between training status and maximal fat oxidation rate. / Lima-Silva, Adriano; Bertuzzi, Romulo; Pires, Flavio; Gagliardi Joao, Joao; Barros, Ronaldo; Hammond, John; Kiss, Monica.

    In: Journal of Sports Science and Medicine, Vol. 9, No. 1, 2010, p. 31-35.

    Research output: Contribution to journalArticle

    TY - JOUR

    T1 - Relationship between training status and maximal fat oxidation rate

    AU - Lima-Silva, Adriano

    AU - Bertuzzi, Romulo

    AU - Pires, Flavio

    AU - Gagliardi Joao, Joao

    AU - Barros, Ronaldo

    AU - Hammond, John

    AU - Kiss, Monica

    PY - 2010

    Y1 - 2010

    N2 - This study aimed to compare maximal fat oxidation rate parameters between moderate- and low-performance runners. Eighteen runners performed an incremental treadmill test to estimate individual maximal fat oxidation rate (Fatmax) based on gases measures and a 10,000-m run on a track. The subjects were then divided into a low and moderate performance group using two different criteria: 10,000-m time and VO2max values. When groups were divided using 10,000-m time, there was no significant difference in Fatmax (0.41 ± 0.16 and 0.27 ± 0.12 g.min(-1), p = 0.07) or in the exercise intensity that elicited Fatmax (59.9 ± 16.5 and 68.7 ± 10.3 % O2max, p = 0.23) between the moderate and low performance groups, respectively (p > 0.05). When groups were divided using VO2max values, Fatmax was significantly lower in the low VO2max group than in the high VO2max group (0. 29 ± 0.10 and 0.47 ± 0.17 g.min(-1), respectively, p < 0.05) but the intensity that elicited Fatmax did not differ between groups (64.4 ± 14.9 and 61.6 ± 15.4 %VO2max). Fatmax or %VO2max that elicited Fatmax was not associated with 10,000 m time. The only variable associated with 10,000-m running performance was %VO2max used during the run (p < 0.01). In conclusion, the criteria used for the division of groups according to training status might influence the identification of differences in Fatmax or in the intensity that elicits Fatmax. Key pointsThe results of the present study suggest that the criteria used to categorize aerobic training status of subjects can influence the magnitude of differences in Fatmax.The Fatmax is similar between groups with similar 10,000-m running performance.The 10,000-m running performance seems to be associated with an increased ability to oxidize carbohydrate

    AB - This study aimed to compare maximal fat oxidation rate parameters between moderate- and low-performance runners. Eighteen runners performed an incremental treadmill test to estimate individual maximal fat oxidation rate (Fatmax) based on gases measures and a 10,000-m run on a track. The subjects were then divided into a low and moderate performance group using two different criteria: 10,000-m time and VO2max values. When groups were divided using 10,000-m time, there was no significant difference in Fatmax (0.41 ± 0.16 and 0.27 ± 0.12 g.min(-1), p = 0.07) or in the exercise intensity that elicited Fatmax (59.9 ± 16.5 and 68.7 ± 10.3 % O2max, p = 0.23) between the moderate and low performance groups, respectively (p > 0.05). When groups were divided using VO2max values, Fatmax was significantly lower in the low VO2max group than in the high VO2max group (0. 29 ± 0.10 and 0.47 ± 0.17 g.min(-1), respectively, p < 0.05) but the intensity that elicited Fatmax did not differ between groups (64.4 ± 14.9 and 61.6 ± 15.4 %VO2max). Fatmax or %VO2max that elicited Fatmax was not associated with 10,000 m time. The only variable associated with 10,000-m running performance was %VO2max used during the run (p < 0.01). In conclusion, the criteria used for the division of groups according to training status might influence the identification of differences in Fatmax or in the intensity that elicits Fatmax. Key pointsThe results of the present study suggest that the criteria used to categorize aerobic training status of subjects can influence the magnitude of differences in Fatmax.The Fatmax is similar between groups with similar 10,000-m running performance.The 10,000-m running performance seems to be associated with an increased ability to oxidize carbohydrate

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    JO - Journal of Sports Science and Medicine

    JF - Journal of Sports Science and Medicine

    SN - 1303-2968

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    Lima-Silva A, Bertuzzi R, Pires F, Gagliardi Joao J, Barros R, Hammond J et al. Relationship between training status and maximal fat oxidation rate. Journal of Sports Science and Medicine. 2010;9(1):31-35.