Even 30 minutes per day of walking is good. One and a half hours may be a goal, if desired, but it is not necessary to begin with that amount of walking. All 30 minutes do not have to be all at once for a beginner, even.
Can't get no exercise if you're bound to a Wheelchair ,and denied for Medicare, abd Transportation services to yoyr Speciality Doctors Apointments in the State you Live in Oregon