Rollerblading is good for you and your body
According to medical research, Inline Skating rank in the top 3 activities that improve or maintain physical fitness and general well-being. The medical world has declared Inline Skating better for your health than jogging. Inline Skating at 20 MPH, a skater burns 6 calories per minute or 360 calories per hour.
Inline skating is about dynamic balance, or balance while your body is in motion. By starting with the basic inline skating skills then learning to do more advanced moves on your skates, such as skating backwards, crossover turns, inline hockey, aggressive skating, and even yoga, you can challenge your balance, coordination, and agility.
Source: Rollerblade.com