Explanation for your MRI
1. Usually our lumbar bones I.e lower back bone is convex forward ,,, so if it become straight that is abnormal.
2.usually there is some height betwwen two lumbar bones, its reduced.
3.nerves which normally travels between two lumbar bones got compressed.
4.some swelling present in the disc.
5.there are some facet joints in the spine, stress
on these joints increased.