The eTrainer Upper and Lower Body Passive Assist Trainer provides gentle mobilization and exercise therapy to your upper and lower body. Training with the eTrainer Passive Assist Trainer incorporates important movements that are critical to everyday life such as the extension and flexion of the arms and legs. This is critical so that one can develop sufficient strength training to perform daily activities and tasks more easily. This device features a large easy to read display that allows you to monitor your time, speed, distance and calories. Two independent motors allow you to use your upper and lower limbs to train either simultaneously or separately.With use this device can help increase circulation and blood flow to your muscles and simultaneous leg and arm exercises can activate up to 80% of the skeletal muscle.