New fitness monitors handy, dandy

Updated: June 18, 2014, 2:02 PM ET
By Christine Yu | Special to espnW

You've certainly seen them -- bright rubber bracelets adorning the wrists of women and men on the street, in the gym and in your office. They are not souvenirs from a concert you missed; they're a new generation of fitness monitors designed to track daily activity, sleep and energy expenditure.

While heart-rate monitors and GPS-enabled gadgets measure intensity and performance while you exercise, fitness monitors let you see what happens in between workouts. By tracking multiple ...

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