Spinall cord injury atrophy both legs spasticity and lowe lumbar pain which is making my rehabilitation slow and frustrating. Incomplete para?

Understand needs. You hve been doing the right hting. The physical is very important long term. You may need re-evaluation by your neurologist to be certain you are on the correct pathway. Persistence is the key to your success.
Treatment? Rehab doctors often use muscle relaxers for spasticity such as baclofen and Tizanidine. If these are not helpful, next steps may include Botulinum Toxin injections into the spastic muscles or intrathecal pump.