A rollerblader is a person who uses rollerblades, which are a type of inline skates with wheels arranged in a single line. Rollerblading is a popular recreational activity and sport that can be enjoyed on various surfaces, including sidewalks, parks, and rinks. It combines elements of skating and balancing, making it a fun way to exercise and improve coordination. Rollerblading can be done for leisure, fitness, or competitive purposes. Many rollerbladers participate in activities such as roller hockey or speed skating, while others enjoy casual skating with friends. Safety gear, including helmets and knee pads, is often recommended to prevent injuries.