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.
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