A small dog as a source of warmth

Accounts of ancient Central America describe people pressing small dogs against aching muscles. The principle was simple: a warm body held against a sore area transfers heat through the skin, much as a heated cloth does. The dog could also be carried wherever the person needed comfort, making it a living, portable source of warmth.

Comfort built into companionship

This use depended on a close relationship between people and dogs. A calm companion could stay beside someone at rest and provide steady warmth without a fire, vessel, or prepared compress. It was not a cure in itself; the likely comfort came from heat and contact, while the dog’s presence made the treatment intimate and immediate.

The image is striking because it turns an everyday bond into practical care: a small dog could be both companion and warm body against a painful muscle.