Gard, S.A. and Childress, D.S., "The Influence of the Stance-Phase Knee Flexion the Vertical Displacement of the Trunk During Normal Walking". Archives of Physical Medicine and Rehabilitation. 80(1), 26-32, January 1999.
Hansen, A.H., "Direct Ultrasound Ranging System as an Alignment Tool for Trans-tibial Prostheses: A Case Study " Internal Technical Report, # 28, Northwestern University Rehabilitation Engineering Research Program and Prosthetics Research Laboratory.
Squicciarini, A.J., "Professional Patients" Add Reality to Teaching of Patient Management, Capabilities Newsletter, Vol. 8, No. 1, January 1999.
Chan, R.B., "A Method for Estimating Center of Mass from Forceplate Data During Quiet Standing", accepted to the BMES-EMBS 1st Joint Conference to be held Oct. 13-16, 1999 at the Hyatt Regency in Atlanta, GA
Childress, D.S. and Gard, S.A., "Vertical Movement of the Trunk in Human Walking", published in the proceeding of (ISB) International Society of Biomechanics XVIIth Congress (book of abstracts), pp. 116, Aug. 8-13, 1999, Calgary, Canada.
Hansen, A.H., Childress, D.S., Knox, E.H., "Roll-over Shapes of Prosthetic Feet." Podium presentation at the 1999 North American Gait and Clinical Movement Analysis Meeting, March 13, 1999 , Dallas, Texas.
Michaud, S.B., Gard, S.A. and Childress, D.S., "A Preliminary Investigation of Pelvic Obliquity Patterns During Gait in Transtibial and Transfemoral Amputees" accepted for publication in the J. of Rehab. Research & Development, June 23, 1999.
Uellendahl, J.E., and Heckathorne, C.W., "Experience with the Rimjet Locking Humeral Rotator," MyoElectric Controls/Powered Prosthetics Symposium, Fredericton, New Brunswick, Canada, August 25 - 27 1999.
Weir, R.F., Childress, D.S., and Grahn, E.C., "Development of an Externally Powered Prosthetic Hand for persons with Partial Hand Amputations", submitted for consideration as a poster presentation at the 2nd National Meeting of the VA Rehabilitation Research and Development Service, Sept. 16, 1999.
Weir, R.F., and Gaebler-Spira, D., "Pilot Study Using Instantaneous Gait Velocity Analysis as an Outcome Measure in the Clinical Management of Children with Cerebral Palsy Receiving Botulinum Toxin A and Adults with Intrathecal Baclofen," submitted as a poster to the European Academy of Childhood Disability 11th Annual Meeting, Oct. 21-23, 1999 held at the Chancellor's hall at Senate House in London.