Slideshow

The Ultimate Lunch-Hour Workout

 

Cardio in a Crunch

Hit the treadmill for a 10-minute interval pyramid to kick-start the fat burning and keep it humming. You'll alternate one minute at a steady pace with varying 1-minute bursts. (The plan also works for the elliptical or stairclimber.) Do the highest level you can:

Beginner  
Minute Speed (mph)
1 3.0
2 4.0
3 3.0
4 4.5
5 3.0
6 5.0
7 3.0
8 4.5
9 3.0
10 4.0

Calories burned = 50

 

Intermediate  
Minute Speed (mph)
1 4.0
2 5.0
3 4.0
4 6.0
5 4.0
6 7.0
7 4.0
8 6.0
9 4.0
10 5.0

Calories burned = 77

 

Advanced  
Minute Speed (mph)
1 5.0
2 6.0
3 5.0
4 7.0
5 5.0
6 8.0
7 5.0
8 7.0
9 5.0
10 6.0

Calories burned = 103

 

*Calories burned are based on a 140-pound woman.



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