And stop clenching your fists.

How do you unlearn the learned paralysis, so you can relieve him of this excruciating, clenching spasm of the phantom arm?

That's obvious, but the astonishing thing is, the patient then says, Oh my God, my phantom is moving again, and the pain, the clenching spasm, is relieved.

He said, No, last three days, I've not had a phantom arm and therefore no phantom elbow pain, no clenching, no phantom forearm pain, all those pains are gone away.