You could be feeling symptoms from “significant bilateral foraminal stenosis at L4-S1”
You note: “Now when i walk longer than 15 min, i feel shooting pain sometimes at my left hip, other times my left crotch. Sometimes when i sit i feel burning pain at my left hip and my left thigh. But all the pain is intermittent, trigger by moving”. Read this section to see if these symptoms fit:
If you do have foraminal stenosis, then a SNRB (see below) will diagnose it and possibly yield long tern relief if you follow these instructions.
Donald Corenman, MD, DC is a highly-regarded spine surgeon, considered an expert in the area of neck and back pain. Trained as both a Medical Doctor and Doctor of Chiropractic, Dr. Corenman earned academic appointments as Clinical Assistant Professor and Assistant Professor of Orthopaedic Surgery at the University of Colorado Health Sciences Center, and his research on spine surgery and rehabilitation has resulted in the publication of multiple peer-reviewed articles and two books.