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Related Experiment Video

Updated: Jun 13, 2026

Measurement of Insulin- and Contraction-Stimulated Glucose Uptake in Isolated and Incubated Mature Skeletal Muscle from Mice
08:01

Measurement of Insulin- and Contraction-Stimulated Glucose Uptake in Isolated and Incubated Mature Skeletal Muscle from Mice

Published on: May 16, 2021

Environmental temperature and glycogen resynthesis.

M Naperalsky1, B Ruby, D Slivka

  • 1University of Montana, Montana Center For Work Physiology and Exercise Metabolism, Missoula, United States.

International Journal of Sports Medicine
|May 14, 2010
PubMed
Summary
This summary is machine-generated.

Minimizing heat exposure post-exercise enhances muscle glycogen resynthesis. Recovery in cooler temperatures (room temperature) promotes better fuel replenishment compared to hot environments, aiding athletic recovery.

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Measurement of Insulin- and Contraction-Stimulated Glucose Uptake in Isolated and Incubated Mature Skeletal Muscle from Mice
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Area of Science:

  • Exercise Physiology
  • Sports Science
  • Human Metabolism

Background:

  • Muscle glycogen is the primary fuel source for high-intensity exercise.
  • Effective glycogen resynthesis is crucial for subsequent exercise performance and recovery.
  • Environmental temperature during recovery can influence metabolic processes.

Purpose of the Study:

  • To investigate the impact of hot versus room temperature recovery environments on muscle glycogen resynthesis.
  • To compare whole-body carbohydrate oxidation and serum glucose levels between hot and room temperature recovery conditions.
  • To determine the optimal recovery temperature for post-exercise glycogen replenishment.

Main Methods:

  • Nine male participants underwent cycling exercise followed by 4 hours of recovery in either a hot (32.6°C) or room temperature (22.2°C) environment.
  • Muscle biopsies, blood samples, and expired gas analysis were used to measure glycogen, glucose, insulin, and carbohydrate oxidation.
  • Core body temperature was continuously monitored throughout the recovery period.

Main Results:

  • Higher average core temperature and carbohydrate oxidation were observed in the hot recovery condition.
  • Serum glucose levels were elevated in the hot recovery group at later time points.
  • Muscle glycogen levels at 4 hours post-exercise were significantly higher in the room temperature recovery group compared to the hot group.

Conclusions:

  • Recovery in a cooler environment (room temperature) is more effective for muscle glycogen resynthesis than recovery in a hot environment.
  • Minimizing heat exposure after exercise is important for optimizing post-exercise recovery and fuel restoration.
  • Environmental temperature plays a significant role in modulating metabolic recovery after strenuous exercise.