The Precor EFX 5.19 Elliptical CrossTrainer is the precor home ellipticals with moving arms. The Precor Elliptical is the most popular elliptical today in both commercial settings and homes. Excellent stability, a smooth, quiet motion, portability, and low maintenance have made the home model Precor elliptical an excellent choice for a residential environment. The Precor is a super efficient, low impact workout that is easy on your joints and helps you burn calories faster. It features 4 programs and 20 resistance levels, plus synchronized handlebars, to keep routines fresh, varied and challenging for faster results and sustained motivation. Regardless of your fitness level, you'll find a workout that's right for you.