Why Do You Feel Winded When You Walk Up the Stairs?

If you've ever wondered why your heart races when you walk up the stairs, even though you have no problem with SoulCycle...

Why Do You Feel Winded When You Walk Up the Stairs?

For people who make an effort to work out regularly, it can be frustrating and confusing when everyday activities prove to be physically challenging. Case in point: You hit the gym on the reg, but when you take the stairs at work, you're totally winded. What gives? If you're putting in a ton of effort at the gym, why does something so commonplace feel so difficult? (BTW, research shows that taking the stairs keeps your brain healthy and young.)

First, you should know that feeling out of breath when you reach the top of the stairs isn't some scary warning sign about your health. "If you're in shape but feel short of breath bolting up a few flights of stairs, don't worry!" says Jennifer Haythe, M.D., a cardiologist and codirector of the Women's Center for Cardiovascular Health at Columbia. "You're not alone. Going up stairs is a burst activity and uses many muscles in your body. Your body needs a sudden increase in oxygen, so heavy breathing is normal," she explains. Phew. Now that we've gotten that out of the way, here are a some of the reasons stairs are so tough even if you're fit, plus how you can make that winded feeling go away.

You don't warm up before taking the stairs.

Think about it. When you work out, it usually takes a few minutes to get things going, right? "A normal 60-minute cardio class, by design, includes a 7- to 10-minute warm-up that gradually increases your heart rate and blood flow, which prepares you for the upcoming cardiovascular challenge," explains Jennifer Novak, C.S.C.S., a performance recovery coach at PEAK Symmetry Performance Strategies. When you bound up the stairs, you're not doing any prep work to get warmed up beforehand. Instead of gradually increasing your heart rate and oxygen needs, you're doing it all at once, which is more of a challenge for your body.

Stairs use many muscle groups.

"My runners are always asking me why they can run a marathon but going up one flight of stairs leaves them out of breath," says Meghan Kennihan, a NASM Certified Personal Trainer and USATF run coach. Simply put, it's because going up stairs demands a lot of your muscles. "Climbing a flight of stairs uses more muscles than walking," Kennihan explains. "You are basically doing lunges uphill and fighting against gravity. If you're already working out hard to train for a strenuous event like a triathlon or a marathon, then getting up a flight of stairs is just contributing to your heavy workload, so your legs and lungs are going to let you know."

Stairs require a different type of energy.

Stair climbing also uses a different energy system than regular old cardio, which can make it feel a whole lot tougher, Novak says. "The phosphagen energy system is what the body uses for quick bursts of power and for short bouts lasting less than 30 seconds. The molecules used for providing the energy for this type of exercise (called creatine phosphate) are in small supply." That means you have less energy for quick bursts than you do for steady state cardio work, so the fact that you get tired faster isn't all that surprising when you consider where the energy is coming from. (If you want to train stairs specifically, try this total-body stair workout for a HIIT cardio blast.)

Here's a better measure of fitness.

The bottom line? You'll probably always get at least *a little* tired going up the stairs in your everyday life, and it doesn't mean anything significant about how fit you are or aren't. What's more meaningful, experts say, is how long it takes you to recover. The fitter you are, the less time it will take for your body to return to its normal state after exerting energy. "As you build both heart muscle and skeletal muscle by working out, you'll notice your heart rate recovery time shortens," Kennihan says. "Your heart becomes more efficient and your muscles get a larger supply of oxygenated blood with each contraction, so your heart doesn't need to work as hard. As you increase the time and amount you work out, it translates to a healthier heart when you're not working out." So if that winded feeling at the top of the stairs is bothering you, we'd suggest doubling down on your workout routine.

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