An EMG system ( E lectro M yo G raphy) is a critical piece of equipment when it comes to targeted muscle injections in and around the neck, especially when you cannot see or feel the muscle. This scenario is especially true when dealing with spasmodic dysphonia for which targeted botox injections are quite helpful. Given the muscles that need to be injected are contained inside the voicebox and not able to be seen and felt from outside the neck, accurate injection is quite difficult withou…