Browse Health
Pediatrician, Pediatric Specialist, Cardiologist (heart)
12 years of experience
Accepting new patients

Education ?

Medical School Score
Wayne State University (1998)
  • Currently 1 of 4 apples

Awards & Distinctions ?

American Association of Hip and Knee Surgeons
American Society for Dermatologic Surgery

Affiliations ?

Dr. Schultz is affiliated with 5 hospitals.

Hospital Affilations

  • Saint Joseph Mercy Hospital
  • Ann Arbor Veterans Affairs Medical Center
    2215 Fuller Rd, Ann Arbor, MI 48105
  • St. Joseph Mercy Hospital Ann Arbor
  • University of Michigan Health System
  • University of Michigan Hospitals & Health Centers
  • Publications & Research

    Dr. Schultz has contributed to 1 publication.
    Title The Reproducibility of a Kinematically-derived Axis of the Knee Versus Digitized Anatomical Landmarks Using a Knee Navigation System.
    Journal The Open Biomedical Engineering Journal

    Component position is critical to longevity of knee arthroplasties. Femoral component rotation is typically referenced from the transepicondylar axis (TEA), the anterior-posterior (AP) axis or the posterior condylar axis. Other studies have shown high variability in locating the TEA while proposing digitization of other landmarks such as the AP axis as a less-variable reference. This study uses a navigation system to compare the reproducibility of computing a kinematically-derived, navigated knee axis (NKA) to digitizing the TEA and AP axis. Twelve knees from unembalmed cadavers were tested. Four arthroplasty surgeons digitized the femoral epicondyles and the AP axis direction as well as flexed and extended the knee repeatedly to allow for NKA determination. The variance of the NKA axis determined under neutral loading conditions was smaller than the variance of the TEA axis when the kinematics were measured in the closed surgical condition (P<0.001). However, varus, valgus, and internal loading of the leg increased the variability of the NKA. Distraction of the leg during knee flexion and extension preserved the low variability of the NKA. In conclusion, a kinematically-derived NKA under neutral or distraction loading is more reproducible than the TEA and AP axis determined by digitization.

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