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Equating Resistance-Training Volume Between Programs Focused on Muscle Hypertrophy.

João Pedro Nunes1, Witalo Kassiano2, Bruna D V Costa2

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Summary

Quantifying resistance-training volume is crucial for muscle hypertrophy programs. However, not all volume measures are suitable for equating training protocols, impacting muscle growth studies.

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Area of Science:

  • Exercise Physiology
  • Sports Science
  • Biomechanics

Background:

  • Resistance-training volume quantifies external workload for muscle hypertrophy.
  • Common volume metrics include sets, repetitions, and volume-load.
  • Accurate volume quantification aids in organizing and prescribing training programs.

Purpose of the Study:

  • To define training volume in the context of resistance training.
  • To evaluate the potentials and shortcomings of common volume quantification methods.
  • To discuss the appropriateness of different volume measures for equating training protocols in research.

Main Methods:

  • Literature review and conceptual analysis of resistance-training volume.
  • Discussion of variables used to quantify training volume (sets, reps, volume-load).
  • Examination of how different independent variables (frequency, intensity, advanced techniques) affect volume equating.

Main Results:

  • Training volume is a key variable for estimating stimulus dose on muscles.
  • Volume-load, sets, and repetitions are common but may not always be appropriate for protocol equating.
  • The choice of volume measure impacts the validity of comparing different training protocols.

Conclusions:

  • Understanding the nuances of training volume measurement is essential for accurate research on muscle hypertrophy.
  • Researchers must carefully select volume quantification methods based on the specific independent variables being compared.
  • Appropriate volume equating is critical for drawing valid conclusions from comparative training studies.