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carry far

What it costs the body

Hot spot

The localised burning that precedes a blister. It is the single most actionable signal in rucking: stopping to fix a hot spot costs three minutes, and ignoring one can cost the rest of the event.

Feet and blisters →

Related terms

ChafingSkin damage from repeated rubbing, usually where a hip belt, shoulder strap or seam crosses skin.
Overuse injuryDamage accumulated from repetition rather than a single incident — stress reactions, tendinopathies, persistent joint pain.

Where it comes up

Guides that use this term in context, rather than only defining it.

Boots, socks and the blister problemLoad changes how your foot moves inside the shoe. What to do about it before 20 km, not after.
Rucking vs incline treadmill walkingBoth raise the cost of walking without making you run. One loads the skeleton, the other loads the climb — and each rehearses something the other cannot.

More from What it costs the body

Pandolf equationMetabolic costTerrain factorGround reaction forceAscentVO₂ maxDOMSChafingOveruse injuryBone mineral density

All 69 terms