You told me that your neck pain faded away as the LTS was the primary worry. Torn ligaments will contract and “buckle”. Ligamentum flavum is a vestigial ligament and not too concerning unless it compresses the cord which is does not in your case.
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.