9 Electronic devices and sensors worn by a human for calculating, tracking, monitoring, collecting, storing, deriving, and transmitting and uploading to an online database via the Internet, locomotor activity data, heart rate, physical activity, body mass, body weight and weight adjustments, perspiration, respiration, calories burned, steps taken, acceleration, distance, time, date, sleep cycles, activity goals, and other physiological data to assess personal health, fitness data, and physical activity, and carrying cases for the aforementioned devices; accelerometers; pedometers; Computer and downloadable software and mobile applications for retrieving, saving, displaying, analyzing, generating reports and recommendations, and aggregating data collected through electronic devices and sensors worn by a human on heart rate, physical activity, body mass, body weight and weight adjustments, perspiration, respiration, calories burned, steps taken, acceleration, distance, time, date, sleep cycles, activity goals, and other physiological data; Computer and downloadable software and mobile applications for entering, tracking, retrieving, saving, displaying, analyzing, generating reports and recommendations, and aggregating data on heart rate, physical activity, body mass, body weight and weight adjustments, perspiration, respiration, calories burned, steps taken, acceleration, distance, time, date, sleep cycles, activity goals, other physiological data, diet, nutrition, and personal health; USB cables; battery chargers