via Huffington Post
Like many people who struggle with weight issues, I’ve somewhat lost that mind-body connection—that mindfulness that tells me when I’m truly hungry, full, tired, spent, energetic or none of the above.
Here’s how mine works. I wear a chest strap with a removable transmitter underneath my sports bra. The transmitter picks up electric signals from my heart beat through my skin and sends that information to my watch (they also have models that send the data to a smart phone). Then, based on an algorithm that takes my weight, height, sex and age into account, the watch calculates the total number of calories burned during the workout.
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