Does muscle spascity ever go away?( after anoxic brain injury)

Muscle spasms : It can get better with long term physical therapy.

Maybe: It can improve over time. Problematic symptoms of spasticity, however, can be helped with a number of different treatments: physical therapy, occupational therapy, home stretches, bracing regimens, and medication management including oral medications and botulinum injections. These treatments can usually help with the associated problems of spasticity but the conditional itself may persist.