Suptavirasana as pose for warrior s lie.

1.Stay  on floor on knees, knees keeping together, and feet divide as you can low on floor between theirs.
2.On breathe out incline back, support on elbows.
3.Incline back more and more, stretching hands alternately to front.
4.A touch with head for floor.
5.Slowly low on a floor occiput, for a full lie on spine, as on begin you knees will divide, but slowly try to keep theirs tighter connecting.
6.As if you will can,hands transfer behind head, and stretch straight.
7.As keeping pose more longer in deep breath, after transfer hands back, stretch theirs on sides a body, support elbows in floor and with breathe out return in sitting pose.
That asana stretching  for belly and buttocks muscles  and ache legs getting relieving.
As keeping pose for 15 minutes, as who long stay,walk, will save from trigger points in legs muscles, if doing before sleep,thus legs are resting.