Up for a challenge? Your body will thank you.

The word "challenge" sometimes scares me, especially when it's a "New Year's Weight Loss Challenge" or "Bikini Bootcamp." Shouldn't we care about our health all year long? Recently, though, I participated in a few fitness challenges that convinced me to create this one. A good challenge really can hold you accountable, help you achieve your fitness goals, and encourage you to set healthier habits that stick—as long as you don't abandon them immediately after the time's up. 

So, if you're up to the challenge, try this 4-week program to tone your middle and sculpt your inner thighs. For long-lasting changes, apply the five exercises you learn and the dedication you foster during this month to your future workouts. Here's the plan:

Week 1: Do the first 3 exercises, 3 times a day.

Week 2: Do the first 4 exercises, 2 times a day.

Weeks 3 & 4: Do all 5 exercises once a day.

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