Rucking activity and trail running with backpack
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@Lazyjones i think we might be talking about different things. Enegry Expenditure vs Power/Strength needed. Lets leave it at that it is complicated. Cheers
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@aiv4r Yeah.
I’m sure I’m right about physics, but… also I fixed myself on GPS related activities too much. For all other sports there’s no escape from HR as indicator, you are right in this case.