Sciatic neuralgia remedy - exercises face down

How is it with the muscle in our body; let's play a role.
Support the bone which there is in our body in the one of a certain muscular number roles; is function saserutoiumogaarimasu enough.
It may be said that it is the relationship that I do not cut even if I cut muscular strength and the bone.
Then what will happen to the supported bone which a muscle came to have weak?
There is a thing called "exercises face down" in the one of the effective exercises for an anti-sciatic neuralgia measure.
This is effective in a back and the muscle of the waistline, an abdominal muscle, reinforcement of the back by bending a back.
At first the way lies on its face on the floor.
And I sit up while I bend the elbow of both hands and push it forward, and supporting a floor.
From the state, I just bend a waist slowly.
And I grow an elbow to become finally honest by an arm little by little.
If I am relaxed, and this procedure is possible without feeling a pain, I repeat this ten times.
If a pain comes out, please cancel it promptly.
Please perform these exercises on the floor that can support a body on soft futon and Bet properly.