case_images: PMC10848327_01
case_images: Performing pulsed radiofrequency treatment of the left suprascapular nerve (photograph obtained with the consent of the portrayed subject).
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case_images: F1
case_images: After obtaining written informed consent, the patient underwent two treatments with pulsed radiofrequency (TherMedico NK 1 radiofrequency lesion generator  Germany) in a day hospital Figure 1.
case_images: Example of positioning of the electromyographic probes (photograph obtained with the consent of the portrayed subject).
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case_images: F2
case_images: The figure indicates the possibility of evaluating in which exact moment of the movement cycle the coactivations manifest themselves most (in the figure in the central phase of the movement, a fact that is difficult to extrapolate using only Rudolph's formulas).
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case_images: F3
case_images: The report returned, for these cyclicities, an average of the range of motion (ROM), an index of fluidity of the gesture [Jerk index ], the electromyographic activity for each of the muscles investigated during the cyclicity of the movement, both as an absolute value and indexed on MVIC%, and the coactivations of the muscles investigated in pairs, both as an average value [Rudolph index ] in the outward and return phases and in graphical form over time (; Figure 3).
case_images: PMC10848327_02