How can I increase lower body flexibility to be able to do the splits while also gaining muscle mass?

I would like to gain more lower body flexibility to be able to do the splits but also workout my lower body too to gain muscle mass. What stretches are effective and does increasing muscle mass make it harder ie. do your muscles become too ‘tight’ to become flexible. I can do the splits on…

Lady Doctor Gets Death Threats for Revealing TOP SECRET Fat Loss Secret to General Public!

A new breakthrough secret is all you now need in order to forever shed countless pounds, stay healthy, and add many years to your life! A lady doctor from Arizona has blown the lid off the best-kept secret in weight loss ever discovered — and this has the whole diet food and drug industries turned…