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1 He/she will likely be using a step-to pattern in which he/she places both feet on each step. 2  18-20 months-By the time your child is this age, he/she should be able to walk down the stairs as well, placing both feet on each step and using a railing for support.
If you want to add a higher degree of difficulty and make this a full body workout then do push ups when you reach the top and crunches at the bottom or vice versa. Do not feel discouraged if you can not complete this running stairs workout. Start off slow and you will get to your goal. Do not be afraid to try different types of interval training and conditioning workouts. Remember that the calories running up and down stairs is one of the fastest ways to burn fat.