An elliptical cross trainer machine is a piece of fitness equipment that provides a low-impact cardiovascular workout. It is designed to mimic the motion of running or walking while reducing the stress on the joints, making it a popular choice for those with joint issues or who prefer a low-impact workout. The machine consists of two pedals that move in an elliptical motion, similar to cross-country skiing. The user stands on the pedals and holds onto the handles for stability. By pushing and pulling the handles and moving the pedals, the user can engage their upper and lower body simultaneously, providing a full-body workout. Elliptical cross trainers often come with adjustable resistance levels, allowing users to increase or decrease the intensity of their workout. They can also track various metrics such as distance, time, calories burned, and heart rate, providing users with feedback on their workout progress.