William B Hammert, Ryo Kataoka, Yujiro Yamada, Jun Seob Song, Anna Kang, Robert W Spitz, Jeremy P Loenneke
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引用次数: 0
Abstract
Progressive overload describes the gradual increase of stress placed on the body during exercise training, and is often quantified (i.e. in resistance training studies) through increases in total training volume (i.e. sets × repetitions × load) from the first to final week of the exercise training intervention. Within the literature, it has become increasingly common for authors to discuss skeletal muscle growth adaptations in the context of increases in total training volume (i.e. the magnitude progression in total training volume). The present manuscript discusses a physiological rationale for progressive overload and then explains why, in our opinion, quantifying the progression of total training volume within research investigations tells very little about muscle growth adaptations to resistance training. Our opinion is based on the following research findings: (1) a noncausal connection between increases in total training volume (i.e. progressively overloading the resistance exercise stimulus) and increases in skeletal muscle size; (2) similar changes in total training volume may not always produce similar increases in muscle size; and (3) the ability to exercise more and consequently amass larger increases in total training volume may not inherently produce more skeletal muscle growth. The methodology of quantifying changes in total training volume may therefore provide a means through which researchers can mathematically determine the total amount of external 'work' performed within a resistance training study. It may not, however, always explain muscle growth adaptations.
渐进性超负荷是指在运动训练过程中身体所承受的压力逐渐增加,通常通过从运动训练干预的第一周到最后一周总训练量(即组数 x 重复次数 x 负荷)的增加来量化(例如,在阻力训练研究中)。在文献中,越来越多的作者结合总训练量的增加(即总训练量的幅度递增)来讨论骨骼肌的生长适应性。本手稿讨论了渐进超负荷的生理学原理,然后解释了为什么我们认为在研究调查中量化总训练量的增长对阻力训练的肌肉生长适应性意义不大。我们的观点基于以下研究结果:(1)总训练量的增加(即逐渐超负荷的阻力训练刺激)与骨骼肌体积的增加之间存在非因果关系;(2)类似的总训练量变化不一定总是会产生类似的肌肉体积增加;以及(3)能够进行更多的锻炼并因此积累更多的总训练量增加可能并不会在本质上产生更多的骨骼肌生长。因此,量化总训练量变化的方法可以为研究人员提供一种手段,通过这种方法,研究人员可以用数学方法确定阻力训练研究中进行的外部 "工作 "总量。但是,这种方法并不能解释肌肉生长的适应性。
期刊介绍:
Physiological Measurement publishes papers about the quantitative assessment and visualization of physiological function in clinical research and practice, with an emphasis on the development of new methods of measurement and their validation.
Papers are published on topics including:
applied physiology in illness and health
electrical bioimpedance, optical and acoustic measurement techniques
advanced methods of time series and other data analysis
biomedical and clinical engineering
in-patient and ambulatory monitoring
point-of-care technologies
novel clinical measurements of cardiovascular, neurological, and musculoskeletal systems.
measurements in molecular, cellular and organ physiology and electrophysiology
physiological modeling and simulation
novel biomedical sensors, instruments, devices and systems
measurement standards and guidelines.