Everything we touch with our hands gets greasy after some time. And the rosin on the bow will make a fine layer of sticky dust on the varnish on your cello. So when you're done for the day, use a cloth to wipe the neck, the fingerboard, the strings, under the strings, and even the stick of the bow.

And it doesn't hurt to shake the hands and roll the shoulders!

Here you can download a summary of these introductory videos.

And here you can download an illustration of the anatomy of the cello.