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Skip Navigation LinksHome > April 2013 - Volume 35 - Issue 2 > High-Intensity Exercise Tolerance: An Update on Bioenergeti...
Strength & Conditioning Journal:
doi: 10.1519/SSC.0b013e31828a9520
Article

High-Intensity Exercise Tolerance: An Update on Bioenergetics and Assessment

Pettitt, Robert W. PhD, ATC, CSCS*D; Clark, Ida E. MS

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Abstract

ABSTRACT: THE STEADY-STATE MODEL OF BIOENERGETICS FAILS TO ACCURATELY DESCRIBE THE METABOLISM FOR HIGH-INTENSITY POWER. THIS ARTICLE REEXAMINES THE ROLE OF PHOSPHOCREATINE, LACTATE PRODUCTION, AND THE IMPORTANCE OF AEROBIC METABOLISM DURING SHORT-TERM HIGH-INTENSITY POWER PERFORMANCE. METABOLIC AND MECHANICAL TESTS OF HIGH-INTENSITY POWER HAVE EVOLVED IN THE PAST 40 YEARS. THE AUTHORS COMPARED THE MAXIMAL ACCUMULATED OXYGEN-DEFICIT MODEL VERSUS THE CRITICAL POWER MODEL AND SUMMARIZED THE RECENTLY DEVELOPED 3-MINUTE ALL-OUT EXERCISE TEST (3 MT). THE 3 MT OFFERS THE STRENGTH AND CONDITIONING PROFESSIONAL A SIMPLE METHOD OF ESTIMATING AN ATHLETE'S TOLERANCE TO HIGH-INTENSITY POWER EXERCISE.

© 2013 National Strength and Conditioning Association

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