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Exercising before or after breakfast for skeletal muscle adaptation?

04 May 2017

The aim of the study is to understand whether exercising before or after breakfast is more beneficial for producing adaptations with skeletal muscle that allow a more efficient use of fats and carbohydrates for energy production (termed mitochondrial biogenesis). Participants will take part in six weeks of endurance exercise (cycling) training with pre- and post-training measures to understand skeletal muscle adaptations to endurance exercise.


  • • Male
  • • Aged: 18-38 y
  • • BMI: 18-30 kg/m2 (Normal)
  • • Achieve the UK government physical activity guidelines for adults (150 minutes of moderate intensity or 75 minutes of vigorous intensity activity per week)
  • • Good general health
  • • You are not currently taking part in another scientific/clinical study
  • • You are not taking any prescription drug / supplement thought to influence metabolism
  • • You are not on a high fat, low carbohydrate diet
  • • You do not regularly undertake periods of extended fasting e.g. ≥ 18 hours
  • • You are not a vegan
  • • If you have not previously (within the last twelve weeks) donated blood

Take part in this study


Ethical approval

This study has been approved by the NHS West Midlands Black Country Research Ethics Committee (WM/17/0001)

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Academic study

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