Journal
EUROPEAN JOURNAL OF CARDIOVASCULAR PREVENTION & REHABILITATION
Volume 15, Issue 6, Pages 726-734Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1097/HJR.0b013e328304fed4
Keywords
anaerobic threshold; blood lactate; exercise training; isocapnic buffering period; respiratory compensation point
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Determination of an 'anaerobic threshold' plays an important role in the appreciation of an incremental cardiopulmonary exercise test and describes prominent changes of blood lactate accumulation with increasing workload. Two lactate thresholds are discerned during cardiopulmonary exercise testing and used for physical fitness estimation or training prescription. A multitude of different terms are, however, found in the literature describing the two thresholds. Furthermore, the term 'anaerobic threshold' is synonymously used for both, the 'first' and the 'second' lactate threshold, bearing a great potential of confusion. The aim of this review is therefore to order terms, present threshold concepts, and describe methods for lactate threshold determination using a three-phase model with reference to the historical and physiological background to facilitate the practical application of the term 'anaerobic threshold'. Eur J Cardiovasc Prev Rehabil 15:726-734 (C) 2008 The European Society of Cardiology
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