Department of Orthopaedic Surgery

The Department of Orthopaedic Surgery offers services and programs through the following Divisions. Use these links to directly access all our Department sites.



  • Orthopaedic Trauma Institute
  • 2550 23rd Street
    Building 9, 2nd Floor
    San Francisco, CA 94110
    Phone: 415-206-8812
Nathan Young PhD
Assistant Adjunct Professor
Nathan Young PhD


Dr. Young is an evolutionary biologist with a background in biological anthropology, anatomy and embryology, and developmental biology. Using both classical comparative and modern experimental approaches, Dr. Young's research focuses on the development of the limbs and shoulder, and particularly how the process of morphogenesis has impacted the evolution of uniquely human adaptations like bipedalism and throwing.


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