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Related Experiment Video

Updated: May 13, 2026

Evaluation of the Impact of a New Cooling Cell Processor System on Islet Cell Isolation Facility

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Published on: August 11, 2023

Palm cooling does not improve running performance.

C M Scheadler¹, N W Saunders, N J Hanson

¹Health and Exercise Science, The Ohio State University, Health and Exercise Science, Columbus, USA. devor.3@osu.edu

International Journal of Sports Medicine

|February 28, 2013

Summary

This summary is machine-generated.

The BEX Runner palm cooling device did not improve exercise performance in heat. This study found no significant difference in total exercise time when using the device, with reduced time to exhaustion.

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Area of Science:

Exercise Physiology
Environmental Heat Stress
Thermoregulation

Background:

Heat stress during exercise poses significant physiological challenges.
Effective thermoregulation strategies are crucial for endurance performance.
Palm cooling is a potential method for mitigating heat strain.

Purpose of the Study:

To evaluate the efficacy of the BEX Runner palm cooling device.
To assess its impact on exercise performance under combined heat and exercise stress.
To determine if palm cooling affects core temperature rise during exertion in heat.

Main Methods:

Twelve participants completed time-to-exhaustion runs at 75% VO2max in 30°C and 50% humidity.
Runs were conducted with and without the BEX Runner palm cooling device.
Core temperature, heart rate, and perceived exertion were monitored throughout.

Main Results:

Time to exhaustion was significantly shorter with the palm cooling device compared to the control.
Total exercise time, including warm-up, showed no significant difference between conditions.
The rate of core temperature increase was similar in both the treatment and control trials.

Conclusions:

The BEX Runner palm cooling device did not enhance exercise performance in hot conditions.
Palm cooling did not attenuate the rise in core body temperature during prolonged exercise in heat.
The device did not improve endurance capacity under the tested environmental heat stress conditions.