I do Yoga twice a week and it has benefited me agreat deal, i find im more relaxed, its easier for me to stretch and warm up before martial arts class, i get stressed less and less and my body feels great.
The thing you have to remember with yoga is everyone has their own flexibility and some people might catch onto it quicker than others.
So if you do decide to take it up go at your own pace with yoga its not about the pain factor its about releasing tension.
All the best Em,