Hand fatigue almost never announces itself early. It accumulates after weeks of automation writing, vocal comping, and dense editing, especially when the wrist is kept in a compromised angle. Desk height, reach distance, and surface geometry determine whether your hands stay neutral or keep compensating. Even a "good" mouse becomes irrelevant when the chair and work surface heights are mismatched. Once deadlines tighten, that physical inefficiency starts bleeding into attention and judgment. A sensible upgrade is not about adding features for the sake of it; it's about removing the mechanical triggers that create strain. In this article, we will discuss what to evaluate if you want to improve comfort without destabilizing your workflow.