A 12-year-old boy who was bouncing on a friend's trampoline almost lost his life in an accident that illustrates the dangers of backyard trampolines. According to the news report, a metal spring coil sprang free and struck the boy in the back, near his left shoulder blade. The spring coil struck the boy with such great force that the … [Read more...] about Trampoline Spring Shot Out “Like a Bullet” and Impales Boy