7 digital fitness coaches

Every January countless Americans vow to get in better shape. Make this year different with these gadgets - no personal trainer required.

2 of 7

NextFit Keychain Trainer

If you are bored with the usual gym workout

Price: $150 plus $30 a month after one free month; nextfit.com

The NextFit may be just the thing to spice up your fitness routine. Plug the device into your PC's USB port, answer questions about your fitness level and goals, and it will suggest a custom workout for you. Based on your results, the exercise regimens will increase in difficulty.

NEXT: Adidas miCoach Pacer

Last updated January 15 2010: 7:50 AM ET

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