A 30-year-old mom bends over to pick up her four-year-old and feels a sharp stabbing pain in her lower back. A 60-year-old man bends over to pick up his five-year-old grandchild and feels an electrical shooting pain in his lower back. For both, the pain is so severe they need to sit down. The next

Backpacks are the tote of choice for most school-aged children with two books per class to lug around. In fact, it is reported that between 92% and 94% of schoolchildren carry backpacks. And it appears these contraptions are evolving somewhat with sturdier-looking designs, heavily padded straps and about