PLEASE READ: I said in this video that there are three types of tunings - but this is not correct. There are two natural types of tunings: Pythagorean and Just (google them for more info). I added Equal Temperament as the third type, but a temperament is a bending or adjustment of a natural...
PLEASE NOTE!!! These motions are natural and will help free you from tension. Very small amounts of the motion described here can be added to your playing but please don't try to play like this all of the time. It's way too much motion and will distract your audience! Also, any violin motion...
For students starting 3rd position. I'm using Suzuki Book 4, Concerto in A minor, 1st movement (bottom of 1st page to the top of 2nd page).
One thing I should have added; When in 3rd, check the pitch of your 1st finger with the open string below it!