Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Glucose Homeostasis: Regulation of Blood Glucose

Glucose Homeostasis: Regulation of Blood Glucose

Carbohydrates consumed through foods are converted into glucose, a crucial energy source for the body. In the prandial state, high blood glucose levels stimulate the secretion of insulin from the pancreas. Insulin inhibits hepatic glucose production and stimulates glucose uptake and metabolism by muscle and adipose tissue. The excess glucose is converted into glycogen and stored in the liver and muscles.
During fasting, when blood glucose levels are low, the pancreas secretes glucagon. it...

Hypoglycemia and Glucagon

Hypoglycemia and Glucagon

Without prolonged fasting, healthy individuals maintain blood glucose levels above 3.5 mM due to a well-adapted neuroendocrine counterregulatory system that effectively prevents acute hypoglycemia, a potentially life-threatening condition. The primary clinical scenarios for hypoglycemia encompass diabetes treatment, inappropriate production of endogenous insulin or insulin-like substances by tumors, and the use of glucose-lowering agents in non-diabetic individuals. Notably, hypoglycemia in the...

Hormones Regulating Blood Glucose

Hormones Regulating Blood Glucose

Insulin is released by beta cells of the pancreas when blood glucose levels are high. It facilitates glucose absorption and utilization in insulin-dependent cells with insulin receptors on their plasma membranes. Insulin promotes glucose uptake by increasing the number of glucose transport proteins in the cell membrane, allowing glucose to enter the cell. As a result, glucose utilization and ATP production are enhanced.
In addition to accelerating glucose uptake and utilization, insulin has...

Metabolic States of the Body: The Postabsorptive State

Metabolic States of the Body: The Postabsorptive State

The postabsorptive state usually starts about four hours after a meal and lasts until the next meal is eaten. During this time, the digestive system stops absorbing nutrients, and the body uses stored energy reserves to maintain stable blood glucose levels.
Initially, glycogen stored in the liver is broken down to release glucose into the bloodstream, while glycogen in the muscles is broken down to supply glucose for energy directly within the muscle cells. As glycogen stores diminish,...

Hyperglycemia

Hyperglycemia

Hyperglycemia is an abnormally high blood glucose level. It is diagnosed by fasting glucose ≥126 mg/dL, 2-hour oral glucose tolerance test (or OGTT) ≥200 mg/dL, random glucose ≥200 mg/dL with symptoms, or HbA1c ≥6.5%. However, HbA1c results may be unreliable in certain conditions, such as anemia or hemoglobinopathies, and the diagnosis should be confirmed unless classic symptoms are present. Postprandial hyperglycemia is typically considered significant when glucose levels exceed 180 mg/dL two...

Hypoglycemia

Hypoglycemia

Hypoglycemia is a blood glucose level below 70 mg/dL. It commonly occurs in individuals using insulin or insulin-secreting drugs, but may also arise in non-diabetic conditions. People with type 1 diabetes are at the highest risk because they depend on exogenous insulin. People with type 2 diabetes are also at risk, especially when treated with insulin or medications such as sulfonylureas, which increase insulin release regardless of blood glucose levels. It develops when insulin levels exceed...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Are intertidal habitats keeping up with nutrient export? Insights from modelling climate and management scenarios.

The Science of the total environment·2025

Same author

Associations of diarrhea and bovine respiratory disease with growth, feed intake, and mortality during the preweaning period of Holsteins and beef-on-dairy calves.

Journal of dairy science·2025

Same author

Lurbinectedin in extensive-stage small-cell lung cancer: a brief report of the IFCT-2105 LURBICLIN study.

ESMO open·2024

Same author

[Severe hemoptysis in the onco-hematology patient].

Revue des maladies respiratoires·2023

Same author

Motivation and anxiety during the second COVID-19 lockdown in gym exercisers: The mediating role of affects and satisfaction with life.

Current psychology (New Brunswick, N.J.)·2022

Same author

The relationship between past exercise behavior and future exercise adherence: A sequential mediation analysis.

Journal of sports sciences·2022

Search research articles

Related Experiment Video

Updated: Jun 13, 2026

Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People

Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People

Published on: July 5, 2017

Changes in individual glucose threshold during military training.

C Rocha¹, A Canellas, D Monteiro

¹Gama Filho University, Post-Graduate Program in Physiology and Kinesiology of Physical Fitness and Health, Rio de Janeiro, Brazil.

International Journal of Sports Medicine

|April 29, 2010

Summary

Military physical training improved soldiers' individual glucose threshold (IGT), shifting it to higher exercise intensities. This indicates enhanced metabolic response to physical exertion after 30 and 90 days of training.

More Related Videos

Randomized Controlled Trial to Study the Acute Effects of Strength Exercise on Insulin Sensitivity in Obese Adults

Randomized Controlled Trial to Study the Acute Effects of Strength Exercise on Insulin Sensitivity in Obese Adults

Published on: December 1, 2023

Hyperglycemic Clamp and Hypoglycemic Clamp in Conscious Mice

Hyperglycemic Clamp and Hypoglycemic Clamp in Conscious Mice

Published on: January 26, 2024

Related Experiment Videos

Last Updated: Jun 13, 2026

Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People

Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People

Published on: July 5, 2017

Randomized Controlled Trial to Study the Acute Effects of Strength Exercise on Insulin Sensitivity in Obese Adults

Randomized Controlled Trial to Study the Acute Effects of Strength Exercise on Insulin Sensitivity in Obese Adults

Published on: December 1, 2023

Hyperglycemic Clamp and Hypoglycemic Clamp in Conscious Mice

Hyperglycemic Clamp and Hypoglycemic Clamp in Conscious Mice

Published on: January 26, 2024

Area of Science:

Exercise Physiology
Sports Science
Human Metabolism

Background:

Assessing metabolic adaptations during military physical training (MPT) is crucial for soldier health and performance.
The individual glucose threshold (IGT) reflects metabolic response to exercise intensity.

Purpose of the Study:

To evaluate the changes in IGT in healthy recruits undergoing MPT.
To determine if MPT influences blood glucose kinetics during incremental exercise.

Main Methods:

Nine healthy recruits underwent incremental treadmill tests before and after 30, 60, and 90 days of MPT.
Blood glucose concentration ([Gluc]) was measured during exercise pauses to determine IGT.
IGT was defined by the exercise intensity associated with the lowest blood glucose level.

Main Results:

Initial IGT was observed at 9.4+/-1.8 km/h.
After 30, 60, and 90 days of MPT, IGT shifted to 11.4+/-1.9, 11.2+/-2.1, and 11.9+/-1.4 km/h, respectively.
Significant improvement in IGT was noted after 30 and 90 days of training (p<0.05) compared to baseline.

Conclusions:

Military physical training significantly enhances the individual glucose threshold in recruits.
IGT shifts to higher exercise intensities following MPT, suggesting improved metabolic regulation.
Further research into various training modalities is recommended to validate these findings.