Rollerblading is a form of skating that involves the use of rollerblades, which are specially designed shoes with four or five wheels attached to the bottom. It is similar to ice skating, but instead of gliding on ice, the skater glides on pavement or other hard surfaces. The term 'rollerbladed' is used to describe the action of skating with rollerblades. Skating is the act of moving forward on rollerblades, and it is a popular recreational activity for people of all ages.