Muscle Fatigue Monitor: A Noninvasive Device for Observing Localized Muscular Fatigue

Abstract

As a muscular contraction is sustained, the spectrum of the myoelectric signal is compressed into lower frequencies. This spectral compression has been associated with localized muscular fatigue by several investigators. A device is presented that implements a technique to track the spectral compression by calculating the median frequency and two other… (More)

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