When I first discovered I was pregnant, I faced a new workout challenge: managing my expanding bust. Unsure of how a sports bra should fit, my initial solution was to purchase the tightest ones to prevent any bouncing during runs and intense workouts. Thinking this was the best approach to continue my fitness routine, I soon realized I was mistaken.
A recent study funded by Lululemon revealed that wearing a sports bra with a too-tight underband can hinder breathing and make exercising more difficult. In the study, highly-trained female runners experienced shallower breaths and increased breaths per minute while wearing tight bras, requiring 16% more energy to breathe. Lead author Shalaya Kipp, a former Olympic steeplechase runner, emphasized that loosening the underband significantly reduced oxygen consumption, leading to improved performance.
While the study focused on runners, the findings are applicable to all forms of exercise. The key factor is the level of thoracic restriction caused by the bra. Incorrectly fitting bras are a common issue, with studies showing that 85% of individuals select the wrong size.
To ensure a proper fit, it’s important to understand where the support comes from in a sports bra. Bras that use compression, encapsulation, or a combination of both can offer adequate support. Checking for the ability to slip a couple of fingers under the underband and ensuring the cups fit properly are essential steps in finding the right sports bra. Additionally, paying attention to the straps, overall comfort, and testing the bra with movement can help determine the best fit for workouts.
While not everyone has access to professional sports bra fitters, these tips can aid in selecting a suitable sports bra to enhance performance and comfort during exercise.
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