Energy expenditure

Energy expenditure estimates the energy a player used moving during a session, in kilocalories, from their metabolic power and body mass.

Category
Load
Unit
Kilocalories (kcal)

How it is calculated

Energy (kcal) = Σ (metabolic power × time) × body mass ÷ 4184

The app adds up metabolic power over every sample to get energy per kilogram, multiplies by the player's body mass, and converts joules to kilocalories.

If a player has no weight on their profile, the app uses 75 kg.

How to read it

Use it to plan fuelling around heavy sessions. It covers the cost of moving, not the player's total daily energy use.

References

  1. di Prampero PE, Fusi S, Sepulcri L, Morin JB, Belli A, Antonutto G (2005). Sprint running: a new energetic approach. Journal of Experimental Biology, 208(14), 2809–2816.
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