Top 5 Most Demanding Fitness Programs

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Move over, Zumba and Crunch. The most demanding fitness programs aren’t for the weak. They’re designed for those who can run a block or two and not feel winded. Before starting any intense workout program, talk to your doctor to make sure that your heart and lungs won’t explode when the exercise routines make them feel as if they will.
Top 5 Most Demanding Fitness Programs
Hemera Technologies/AbleStock.com/Getty Images
Move over, Zumba and Crunch. The most demanding fitness programs aren’t for the weak. They’re designed for those who can run a block or two and not feel winded. Before starting any intense workout program, talk to your doctor to make sure that your heart and lungs won’t explode when the exercise routines make them feel as if they will.
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