Your Slim and Strong Walking Workout

Celebrity trainer Harley Pasternak shares three 40-minute walking plans that burn calories.

Credit: Cheyenne Ellis

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Hit the trail: Standing side crunch

Stand with feet shoulder-width, hands behind head. Lift right knee to side; pull right elbow down. Return to start; repeat on left side; that's 1 rep. Do 20 reps.

Next: Train at the Track: The Walk

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