The Science around Core Body Temperature Measurement Methods

Understanding how core body temperature is measured is essential for optimizing performance and managing exertion in the heat. From traditional medical-grade methods to today’s advanced wearables, each approach has its strengths—and its trade-offs.

This guide explains the most common ways to measure core temperature, why even the most accurate tools can vary, and how HeatSense’s Core-powered solution delivers trusted, research-backed insights without slowing athletes down.

Want the full breakdown? Read the full article comparing core temp methods used in labs, hospitals, and high-performance sports.