The University of Texas at El Paso Jan 9 2025 If building strength and muscle mass is part of your New Year's Resolution, you may want to add a new routine to your workout. Neuromuscular electrical stimulation (NMES), or electrical muscle stimulation for short, uses electrical currents to contract muscles. The stimulation devices are easy to use and widely available on the market, according to Sudip Bajpeyi, Ph.D., a professor in the Department of Kinesiology at The University of Texas at El