Calorie monitors may be the necessary motivation to keep on truckin’ through a tough cardio workout. Seeing the number increase as you show the pavement, a kettlebell, or whatever else that you’re the boss feels rewarding and might add to the post-workout high caused by endorphins. Yet popular as fitness trackers have become since someone invented the first calorie counter in 1977, they may not be the right tool to help you reach your workout goals. To read more click here!