I'm later for your problems.
But...We use:
Trunk control test
Modified Barthel Index
Motricity Index
Functional Ambulation Categories

And sometimes

Berg Balance Scale
Catherine Bergego Scale (for neglect)
Scale for Contraversive Pushing (for Pusher Behaviour)

You can find all in pubmed or in google!

And to treat, you can read our scheme in evidencebasednursing site (it's in Italian language, but Spanish people can understand!), it's an old work, but it's good to do the first experiences!

And all gcoe suggestion are useful!
Good work