Method

Normalization to a standardized submaximal task (isometric/ dynamic) that has similar characteristics to the task of interest

Normalization to a standardized submaximal task (i.e., it will not elicit the maximum voluntary activation of a muscle). May or may not be task specific. This method includes:

  • Submaximal isometric voluntary contraction: The peak EMG or mean EMG amplitude from a submaximal isometric/ dynamic voluntary contraction against a relative or absolute resistance (e.g., holding a weight with force applied through a pulley or against gravity), in a standardized body position/muscle length.

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  • Submaximal contractions do not involve the synchronised discharge of many motor units, which is necessary to estimate evoked responses recorded from muscles.

  • There are no caveats. Simply, it’s not possible to interpret the data.

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If you found this tool helpful in planning or conducting your experiment, please consider citing the original publication:

Besomi, M., Hodges, P. W., Van Dieën, J., et al (2020). Consensus for experimental design in electromyography (CEDE) project: Amplitude normalization matrix. Journal of Electromyography and Kinesiology, 53, 102438.

https://doi.org/10.1016/j.jelekin.2020.102438