Phenomena and Processes

Anaerobic Threshold

The oxygen consumption level above which aerobic energy production is supplemented by anaerobic mechanisms during exercise, resulting in a sustained increase in lactate concentration and metabolic acidosis. The anaerobic threshold is affected by factors that modify oxygen delivery to the tissues; it is low in patients with heart disease. Methods of measurement include direct measure of lactate concentration, direct measurement of bicarbonate concentration, and gas exchange measurements.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The oxygen consumption level above which aerobic energy production is supplemented by anaerobic mechanisms during exercise, resulting in a sustained increase in lactate concentration and metabolic acidosis. The anaerobic threshold is affected by factors that modify oxygen delivery to the tissues; it is low in patients with heart disease. Methods of measurement include direct measure of lactate concentration, direct measurement of bicarbonate concentration, and gas exchange measurements.

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Classification

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Synonyms

3 entry terms
  • Anaerobic Thresholds
  • Threshold, Anaerobic
  • Thresholds, Anaerobic

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Aspects Covered

6 allowable subheadings

Indexed with the subheadings drug effects, ethics, genetics, immunology, physiology, radiation effects.

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History Note

89

MeSH Record

Previous Indexing

  • Exertion (1966-1988)
  • Oxygen Consumption (1966-1988)

MeSH Hierarchy

Tree Numbers

MeSH Record

NLM Classification

WF 110

AMA Style

References

  1. National Library of Medicine. Anaerobic Threshold. Medical Subject Headings (MeSH). 2026. Unique ID D015308. http://id.nlm.nih.gov/mesh/2026/D015308
  2. Anaerobic Threshold. In: Wikipedia. https://en.wikipedia.org/wiki/Lactate_threshold
  3. Anaerobic Threshold. In: Wikidata. https://www.wikidata.org/wiki/Q3480702