I typically start PT after a lumbar fusion 3 months after surgery. My rationale being that for the first 3 months I just want you to walk and not focus on strengthening. When patients occasionally asked for "supportive" evidence for this, I did not have evidence until a recent paper in Spine Journal found worse clinical outcomes and more expensive treatment if therapy started earlier.
- lumbar discectomy/laminectomy (removing disc or bone spurs WITHOUT a fusion) 6 weeks
- anterior neck surgery 3 months
- back fusion 3 months
(please read the following article if interested. This is the study showing earlier therapy is more expensive and less effective than starting it at 3 months)