Origin of the name Giselle: A German name derived from gisil (to owe, a pledge, a mutual obligation). It was a practice in the early Middle Ages for rival factions to offer a person, often a child, to each other as a pledge of peace.
what it means and where on apple watch you ll find it learn how apple watch measures your heart rate and get tips for a more accurate reading you can check your heart rate any time using the heart rate glance and when you re using the workout app apple watch measures your heart rate continuously during the workout this information as well as other data it collects helps apple watch estimate how many calories you ve burned in addition apple watch measures your heart rate throughout the day when you re still
Nike+ Run Club integrates with the Apple Health app to sync your workouts and record heart-rate data. Please note that continued use of GPS running in the background can dramatically decrease battery life.