Important point: avoid contact with your cocyx (tail bone), spine, or head. The knees and pelvic bones are also good to keep from touching the floor or ground. You may get away with it on mats, but uneven or hard surfaces are unforgiving!
+annoyed707 avoid touching the floor with your body period !!! and dont breathe without mask -- it might have some viruses and bacterias )))) Opimization is the KEY1 ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-gFzNkA9-BwU.html