Bruises are especially common if you play any kind of sports that can (literally) knock you on your butt, such as: sit down too hard get hit on the butt too forcefully with someone’s hand or with ...

A bruise, also called a contusion, happens when a small blood vessel just under the skin’s surface breaks and blood leaks into the surrounding tissue. Bruises are most commonly caused by an injury, ...

The colors of a bruise can vary, depending on the person’s skin tone, and bruising may be less apparent on dark skin due to contrast. It may initially appear red or purple, then change color over time ...