https://www.selleckchem.com/pr....oducts/ly3023414.htm
Background Quantitative electromyography of paraspinal muscle is a valuable diagnostic tool, but normative data are lacking. Methods Needle electromyography (EMG) was obtained in 65 healthy subjects (49% men, 51% women) aged 21 to 82 years at C7, Th10, and L5 segments bilaterally. The incidence of spontaneous activity; motor unit potential (MUP) amplitudes, durations, and the incidence of polyphasic potentials; and the recruitment pattern at maximal voluntary contraction (MVC) were evaluated. Results The incidence of fibrillation pote
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