What are the advantages, disadvantages of the Lotus position?

I hear we actually have 12 chakras. Extending the full length of the body. They say today to NOT cross our legs to facilitate spiritual experience.

Could the Lotus position slow experience, but also protect one from outside influence?

What are the advantages, disadvantages of the Lotus position?
That position turns power on to itself. And creates confusion Thus preventing new knowledge or power from entering...................................
Reply:It's a tough decision, but I know the Church really recommends the missionary position.
Reply:I always lie flat but proir to that have protective shielding up. I can be in the Alpha State in 5 minutes or less that way.
Reply:Well personally I feel it's a bit uncomfortable to sit like that for an extended period of time, ie in meditation. Laying down works better for me.