Muscle and Nerve Disorders Related to Different Illnesses
Electromyography (EMG) is a powerful diagnostic tool used to identify muscle and nerve disorders linked to various illnesses. By analyzing the electrical activity in muscles and the nerves that control them, EMG can detect abnormalities such as muscle denervation and demyelination of the myelin sheath. These findings are associated with a wide range of conditions, from neuropathies and myopathies to motor neuron diseases and neuromuscular junction disorders. In this article, we will explore how EMG helps diagnose these conditions and the significance of these findings for patients and clinicians. How Does EMG Work? EMG involves using small needle electrodes inserted into the muscles or surface electrodes placed on the skin to measure the electrical signals generated by muscle fibers. Healthy muscles show specific patterns of electrical activity during rest and contraction, while abnormalities—such as spontaneous activity at rest or reduced signals during movement—may point to underlyin...