These are my own observations. They may not hold for everyone. I am not an authority for anyone, except myself. But I thought to share these observations as they may be of benefit or interest to someone else.
The Five Tibetans is neat because it is quick to practise and handy to remember. There are debates as to its authenticity - is it really 2,500 years old Tibetan
In the second picture the arms are back on calves but for this practice just leave the arms where they are in the first pose, so that the head will be on ground between palms of hands.....
Sit as on the floor legs stretched out straight in front of you, tail bone tilted a bit back, then open the legs as far apart as is comfortable for you.
Imagine you are holding a big spoon ad before you is a big pot.
Sit with the legs together stretched out straight in front of you. Pull back the sitting bones, (by moving the buttocks with your hand if necessary) so that there is a slight tilt back of tail bone. Do not let the tail bone tilt b