by CBS3's Jim Donovan for KYW Newsradio --
Rachel Schneider turned to yoga after struggling with a bad back, but now says some of the poses she was instructed to do did more harm than good, causing two bulging disks which left her screaming in pain.
"I could not shower myself. I could not put on my own underwear. That is hard not to do when you're 27."
And Rachel is not alone. The Consumer Product Safety Commission says the number of yoga injuries is rising. One reason: not enough experienced teachers to meet demand.
Marc Rabinoff is an expert in sports injuries:
"There's all kinds of things can go wrong in a yoga class if it's not taught right. It is the wild west when it comes to yoga certification. There are no national (or) state regulatory agencies that cover yoga instructors."
So, he says, yoga students beware!
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