Dr. Kevin Usry discusses the treatment of low back conditions, particularly related to automobile accidents and disc injuries. He demonstrates the assessment and treatment process at All American Wellness Center, involving posture evaluation, muscle testing, adjustment techniques, laser therapy, and decompression. The focus is on restoring normal muscle and nerve function to address pain and dysfunction in the low back and legs. Dr. Usry emphasizes the importance of chiropractic care in conservative treatment before resorting to injections or surgery.