You bend over to brush your teeth and ouch - your back has "gone" and you end up in a world of pain. It hurts! But why does your back seem to "go" at the most basic of movements when other people's spines seem to be a lot more durable? Why are you so vulnerable to recurring lower back strain?
from Health and Fitness:Back Pain Articles from EzineArticles.com http://ift.tt/2nxtObL