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Related Experiment Video

Updated: Feb 14, 2026

Implementation of In Vitro Drug Resistance Assays: Maximizing the Potential for Uncovering Clinically Relevant Resistance Mechanisms
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Is Mechanical Power a Valid and Relevant Parameter to Control Resistance Training?

Sebastian Puschkasch-Möck1, G Gregory Haff2, Michael Behringer3

  • 1Department of Exercise Science, Olympic Training and Testing Center of Hessen, Frankfurt am Main, Germany.

Journal of Strength and Conditioning Research
|February 12, 2026
PubMed
Summary

Mechanical power is not a reliable parameter for controlling resistance training for athletes. Maximal strength development, followed by speed-focused exercises, is a more effective strategy for long-term power gains.

Keywords:
ballistic trainingexplosive strengthloading strategystrength trainingtask specificityweightlifting

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Area of Science:

  • Exercise Physiology
  • Sports Biomechanics
  • Strength and Conditioning

Background:

  • Theoretical models suggest maximal mechanical power occurs at intermediate loads and velocities.
  • This has led to the common use of optimal power load prescriptions in resistance training.
  • This review critically evaluates the validity and relevance of mechanical power for controlling resistance training.

Purpose of the Study:

  • To critically evaluate mechanical power as a parameter for controlling resistance training.
  • To assess its relevance for improving athletic performance.
  • To compare its effectiveness against traditional strength-based training methods.

Main Methods:

  • Literature review of studies on mechanical power in resistance training.
  • Analysis of theoretical models of force-velocity and force-length relationships.
  • Evaluation of neuromuscular adaptations and methodological limitations.

Main Results:

  • Many studies on power-oriented training have limitations (short duration, untrained participants, inconsistent protocols).
  • Estimating mechanical power in complex movements has methodological challenges, questioning its validity.
  • Maximal strength is a stronger predictor of mechanical power and athletic performance than optimal power load.

Conclusions:

  • The optimal power load concept overlooks sport-specific demands and individual differences.
  • A periodized approach focusing on maximal strength, then speed-based exercises, is recommended for power development.
  • Mechanical power has limited value for load control in performance-oriented resistance training.