Xue-Cheng Liu, PhD, MD

Investigator, Children's Research Institute; professor, Orthopedic Surgery
Co-director of the Center for Motion Analysis, Orthopedic Surgery, Medical College of Wisconsin

Office Locations

8915 W. Connell Ave
Milwaukee, WI 53226
(414) 337-7323
(414) 337-7337


  • Orthopedic Surgery

Research interests

  • Bone and joint diseases
  • Physical medicine and rehabilitation

Study interest

  • Human movement science (kinematics and kinetics)
  • Orthotics
  • Bone growth modulation
  • Spine
  • Pediatric sports medicine


  • Medical degree, pediatric orthopedic surgery, University Pellenberg Hospital, Belgium, 1997
  • Doctorate, Catholic University of Leuven, Belgium, 1994
  • Research fellowship, pediatric orthopedics, Medical College of Wisconsin, Milwaukee, 1999

Research & Publications

  • Clinical Reliability and Validity of a Foot Model: Assessing Efficacy and Functional Outcome with Orthotic Intervention in Children with Cerebral Palsy, National Institute on Disability and Rehabilitation Research (NIDRR), principal investigator.
  • 3D Fluoroscopy and Pressure Validated Orthotics in the Application of Pediatric Flatfoot, Rehabilitation Engineering Research Center (RERC), National Institute on Disability and Rehabilitation Research (NIDRR), co-investigator.

Representative publications/presentations

  • Liu XC, Thometz J, Tassone C, Lyon R and Brady M. Dynamic Plantar Pressure Distribution in Normal Subjects: Free-mapping Model for the Analysis of Pediatric Foot Deformities. J. Pediatric Orthopaedics. 2005; 25(1):103-106
  • Lyon R, Liu XC, Schwab J, and Harris G. Kinematic and Kinetic Evaluation of the Ankle Joint before and after Tendo-Achilles Lengthening in Patients with Spastic Diplegia. J. Pediatric Orthopaedics. 2005; 25(4):479-483
  • Thometz J, Liu XC, Reineck J, Lyon R, Tassone C. Changes of Three-dimensional back Contour following Posterior Fusion for Idiopathic Scoliosis. Studies in Health Technology & Informatics. 2006; 123:577-81
  • Klos S, Liu XC, Lyon R, Tassone JC, and Thometz J. Reliability of a Functional Classification System in the Monitoring of Patients with Idiopathic Scholiosis. Spine. 2007; 32(15):1662-1666
  • Rizza R, Liu XC, Thometz J, Lyon R, Tassone C. A New Method in the Design of a Dynamic Pedorthosis for Children with Residual Clubfoot. J Medical Device. 2010; 4(2):021004-1
  • Cope S, Liu XC, Verber M, Cayo C, Rao S and Tassone C. Upper Limb Function and Brain Reorganization after Constraint-Induced Movement Therapy in Children with Hemiplegia. Developmental Neurorehabilitation. 2010; 13(1):17-28