Question

running up a flight of stairs often makes you feel breathless why​

Answer 1

Answer:

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Explanation:

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Answer 2

Does climbing stairs leave you winded? You exercise regularly and feel fit, yet when you sprint up the steps you are totally breathless. This can be a frustrating and rather perplexing moment for many active people. So why is flying up a flight of stairs so fatiguing?
When you go from a steady-state walk to an activity such as climbing stairs, your muscles are not prepared for the sudden burst of speed. The result is a lot of huffing and puffing as your lungs work overtime to supply more air to your body. By warming up before a workout, you slowly acclimate your body to exercise. This time is like an aerobic appetizer priming your body for the workload to come. A warm-up helps to increase your heart rate, which then pumps oxygen-rich blood to your muscles and If you are feeling breathless when you hit the top of the stairs, it does not necessarily mean you are out of shape. However, if it takes your body a while to recover after a flight of stairs, this is a good indicator that your heart, lungs and muscles would benefit from a pulse-pounding fitness routine.