You may not know this, but there are several techniques that are involved in meditation. You'll need to keep in mind that there are ways that you are going to have to move in order to find the right concentration, but you'll also find that your state of mind is very important too. You'll need to make sure that you look at every act objectively in order to make a good session. You'll need to keep your concentration going strong in order to do the meditation positions and techniques correctly. You'll find that there are many variations available, but you'll find that there are a few more traditional ways to practice Zen.