Pedometer, Accelerometer, and Mobile Technology for Promoting Physical Activity

Increased physical activity is associated with an improvement in many health conditions, including heart disease, hypertension, insulin sensitivity, osteoporosis and obesity. Self-monitoring and tracking physical activity is an effective strategy to initiate and maintain physical activity. A variety of physical activity monitors, such as pedometers, accelerometer-based activity monitors, wrist devices and smartphone apps are available for use by individuals interested in fitness, health and weight control. This article provides basic mechanisms and functions of pedometers and accelerometers. Additionally, a list of popular wearable devices and different types of exercise and fitness smartphone apps for tracking and promoting physical activity are included.
Revised 10/2014. Originally published: 04/2009.