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Fig. 3 | Journal of NeuroEngineering and Rehabilitation

Fig. 3

From: Surface EMG signals in very late-stage of Duchenne muscular dystrophy: a case study

Fig. 3

Envelope of the sEMG signals during sub-maximal voluntary isometric contractions of triceps muscle. a Envelope of the sEMG signals measured during the 20%, 40% and 80% S V I C t of the triceps muscle in red. Envelope of the antagonist muscle (biceps) in dashed blue. b Boxplots of the 3000 data points (i.e. 3 seconds) measured for each of the SVIC levels shown in A. In red the boxplots of the triceps sEMG signals and in faded blue the boxplots of the antagonist muscle (biceps). Note that the noise level of the sEMG signal during relaxation is also shown

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