In the nation, accidents and serious injuries have increased by about 20 percent in the past year.
The data showed that these injuries increased from 29,600 in 1990 to 58,400 in 1995.
But injuries from jewelry increased, as did those from "Sound recording, reproducing equip."
Doctors across the country say injuries have increased since last year as more people buy the skates.
Overuse or injury to the joint at work or play can also increase a person's risk of bursitis.
He said national studies have found that pedestrian injuries increase by 43 to 107 percent after right-turn-on-red laws are passed.
Stress, injury, and even exposure to heavy metals may increase your risk.
The document warns that injuries from land mines could increase dramatically.
A high-energy injury to the head increases the likelihood of a serious injury even more.
When checking is introduced at age 9, injuries increase for about a year as players learn the skill, but then fall.