DTR diminished reflex generally is the S1 nerve which should not be affected in your disorder. Slight to moderate intermittent compression of a root will cause dysesthesias of the dermatome without motor weakness.
If you adjust in your daily practice, it will be at least 4 months before you can do grade 5 mobilizations.
You should be able to run after solid fusion of L5-S1.
Dr. Corenman