n CME : Your SA Journal of CPD - Fat as fuel during exercise

Volume 26, Issue 7
  • ISSN : 0256-2170



Carbohydrate (CHO) and fat serve as the two main substrates for the production of energy during prolonged muscle contraction. Although CHO and fat are oxidised simultaneously, the relative contribution of these substrates to oxidative metabolism during exercise varies, and is dependent on a variety of factors, including exercise intensity and duration and substrate availability and training status, among other factors.

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