The importance of using a heart rate monitor when you exercise | Baptist Better Health Blog
Polar's next fitness wearable is a smart shirt | Engadget
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The Wearable Cardioverter Defibrillator: A Life (Vest) of Controversy - American College of Cardiology
11tegen11 on Twitter: "I don't mean the obvious heart rate monitor we saw KJH wear. But something like this image shows, a GPS vest? http://t.co/DqWyBIq9CY" / Twitter