Please remember that before every workout you should warm up and mobilise the joints. After each session remember to stretch.
http://www.vimeo.com/18130230 - Matwork Level 1
http://www.vimeo.com/18125581 - Matwork Level 1
http://www.vimeo.com/18124785 - Matwork Level 2
http://www.vimeo.com/18019178 - Matwork Level 2
http://www.vimeo.com/18121991 - Seated Level 2