Pollock said trampolines go in and out of style, but that since 1977 the American Academy of Pediatrics has recommended against buying a trampoline for the home.
He said the American Academy of Pediatrics has tried to publicize the dangers.
"Nationally the injury rate has been decreasing probably because of lower sales of home trampolines," he said.
Pollock recommends that all trampoline activity should be supervised by an adult and that only one person should be on the trampoline at a time.
"The fun of the little kid 'stealing the bounce' from the bigger kid can really launch the child dangerously high. In such a situation or a collision, it is always the smaller child who gets hurt," he said.
He also said to take away the ladder so little kids can't climb up, no stunts or somersaults, avoid jumping close to the springs and look into safety pads on the frame.
His No. 1 safety rule for home trampolines?
"Don't get one."