The Sports Bra Expert

Question of the Week: 'Can you make your breasts bigger or smaller by exercising?'> back
April 22, 2011

When it comes to changing your cup size with your workout, like many of life's most pressing questions the truest answer is both 'Yes' and 'No'!

Shrink 'Em?

Let's deal with the most hopeful and least complicated side of the size equation first–making 'the girls' smaller. Because breasts have a high fat content, their size is strongly linked to your overall body fat percentage. So the right amount and intensity of exercise (along with a healthy diet) will definitely help you lose total body fat, which pulls fat (and volume) from your breasts in the process.

Of course, there are exceptions to this pattern, in fact that seems to be one of the ironies of life! For every one of my active girlfriends who complains that her breasts are the first thing to disappear when she loses a few pounds, another one bemoans the fact that she remains a voluptuous (and bouncy) DD cup no matter how much the number on the scale inches down!

What's making the difference? We can blame individual genetics and biology: the amount of 'non-fat' glandular tissue in the breast can vary widely from woman to woman. If your breasts consist of less fat and more of this inner milk-producing 'ductwork', your total breast size will be less affected by weight loss; if your 'girls' are made up of less glandular tissue and more fat, you're likely to see a very direct size decrease when you drop pounds.

Want to Pump 'Em Up?

This is the bad news side of the equation: Exercise can be great for building curves and firmness just about everywhere else on your body EXCEPT for your breasts (bummer!). That's because you have muscles in your non-boob zones that gladly respond to being worked out. But because your breasts don't contain muscle, exercise isn't going to pump them up to any measurable degree.

But exercise isn't totally pointless when it comes to keeping 'the girls' in top shape. Strength moves that tighten and tone the underlying pec muscles (bench presses and flys are great!) can make your overall chest look younger and a little perkier. And consistent cardio can help lower your overall risk of breast cancer, which is a pretty cool side effect.

But You Can Look Instantly Smaller or Larger!

But the best news of this whole post is that you don't even have to set foot in the gym to alter your chest measurement–wearing the right sports bra can instantly add or subtract inches!

Go smaller. We've learned in the lab that building a 'minimizing' profile into a sports bra brings the weight of the breast closer to the chest and produces less bounce. A snug compression style such as Champion's Double Dry+ Spot Comfort High Support sports bra, or a well-engineered encapsulation model like the Powersleek sports bra will immediately decrease your chest measurement.

Look larger. Lab research on real women also shows that Champion's sports bra 'shaper' cups can add back up to an inch in bust measurement! To look your curviest while you're kicking it, check out the Shape T-Back sports bra (available in sizes 32A through 38D).

Regardless of your body and cup size, a great workout gives your mind and body more energy and confidence! So I hope you'll get out and have a terrific one today!


> back

Introducing Champion's Sports Bra Expert - LaJean Lawson

In 1977, Champion Activewear invented the first sports bra, called the Jogbra®, made from two jockstraps sewn together. The realization that women also needed support for their assets was the catalyst for Champion Activewear to apply innovation and technology to become the leader in the sports bra market.

In 1977, runner LaJean Lawson had just finished her first marathon with bleeding sores on her shoulders and chest from a bra that did anything but support. Her search for a solution eventually led to the discovery of her life's passion–sports bras!

Today, Champion Activewear is thrilled to offer Dr. Lawson as a resource to help you solve your sports bra problems. While Dr. Lawson has gained critical knowledge from scientific research, the best education she's had about sports bra needs has come from the thousands of women she has spoken to at races and events, as well as those who help her test Champion products.

Whether it's your shoes or your sports bra, your workout happiness depends on finding the gear that's just right for your size and activity level, and that's exactly why we're here to help!

Shop Sports Bras

Ask our expert, LaJean

Try our bra finder

Check out bra videos