Hi Ive had low back pain for some time now, Having injections tuesday .. 1st I jumped off a 4 ft dock at work and injured my back over 10 years ago ..went to er a few days later ,was given pain meds at that time ... ....2nd .on dec 31 08 I was in a 26 ft box truck and a car pulled out in front of me , I Hit him pretty hard I did have a seatbelt on ,went to er a few days after that also was given pain meds then .. 3rd incident was august 9 of this year was carriying a casket when I stepped off the 4 in curb I went to the ground . severe low back pain ...went to urgent md was given pain meds and muscle relaxers....For the past several years if I walk for more than 30 min.my low back hurts butt goes numb and leg goes numb on the left side mainly .......Urgent md says i have some narrowing between disk 4 and 5 on my x ray ..... I went to a pain center told them all of this they sent me for an MRI which I just had Tuesday .Dont know results yet ..And there planning on doing the nerve block injections this Tuesday ....Will the MRI show more than the xray ????