Specialty: Sports Medicine and Joint Replacement. Dr. Knierim is a board-certified orthopedic surgeon with special interest in general orthopedics including trauma, foot and ankle, hand, shoulder, sports medicine, and joint replacement. Dr, Knierim received her medical degree and completed her orthopedic surgery residency at the University of Missouri in Columbia, Missouri. She is a member of the American Medical Association, the American Board of Orthopedic Surgeons, the Missouri Orthopedic Association and the Ruth Jackson Orthopedic Society. Dr. Knierim serves the greater St. Louis region at SSM Health DePaul Hospital.