When you’re five miles deep into a pack-out, your muscles are screaming and...

https://sierra-wiki.win/index.php/The_Real_Grind:_Optimizing_Post-Hunt_Recovery_in_the_Backcountry

When you’re five miles deep into a pack-out, your muscles are screaming and your focus starts to fade. Most guys just hit the sleeping bag and hope for the best, but that’s how you burn out by day three. True recovery is an active process