Does a low EMG signal mean that a muscle is weak?

EMG or Electromyography is used to see how much nerve excitability there is to a muscle and it is being more commonly used for performance or rehab reasons but what does it mean? Does a low EMG signal mean that a muscle is weak?

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The content in this video is provided for general information purposes only and is not meant to replace a physiotherapy or medical consultation.

  • Vigotsky, Andrew D., et al. “Interpreting signal amplitudes in surface electromyography studies in sport and rehabilitation sciences.” Frontiers in physiology 8 (2018): 985.

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