👉 The term "electromyography" (EMG) is a diagnostic tool used in medicine to measure and study the electrical activity of muscle tissue. It involves recording changes in the electrical activity of muscles during voluntary movements, such as walking or running, which can provide insights into conditions like muscle weakness, injury, or neurological disorders. EMG can also be used to assess the quality and strength of specific muscle groups, such as the arm muscles that are involved in grip strength or the leg muscles that