The entire back, specifically the erector spinae.
Here’s a breakdown of what the term actually refers to, where it comes from, and how it functions in different contexts. orc massage guide
In many tabletop RPGs (like Dungeons & Dragons , Pathfinder , or Warhammer Fantasy Roleplay ), orcs are depicted as tough, muscular, and prone to violence. Within homebrew rules or flavor text, an “orc massage” refers to a used by orcish combatants to recover from battle. The entire back, specifically the erector spinae
This version often goes viral as a joke: “An orc massage guide: Step 1 – Lie down. Step 2 – Try not to cry. Step 3 – Cry a little. Step 4 – Feel amazing.” The entire back