Top Shape-Up Apps
Nike Training Club
(free; iTunes Store; for iPhone, iPod Touch, iPad)
Create a playlist from your library to sync with one of 73 "coached" circuit routines (or let the app do it for you).
We appreciated the countdown toward the end of each setit kept us going during the final excruciating seconds of muscle-shaking moves like plank.
Next: The CarbLovers Diet
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