Journal Articles

S Õunpuu, JR Gage, RB Davis: Three-dimensional lower extremity joint kinetics in normal pediatric gait. The Journal of Pediatric Orthopaedics, 11:341-349, 1991.

PA DeLuca: Gait analysis in the treatment of the ambulatory child with cerebral palsy. Clinical Orthopaedics and Related Research. 264:65-75, 1991.

PA DeLuca: The use of gait analysis and dynamic EMG in the assessment of the child with cerebral palsy. Human Movement Science, 10(5):543-554, 1991.

RB Davis, S Õunpuu, DJ Tyburski, and JR Gage: A gait analysis data collection and reduction technique. Human Movement Science, 10(5):575 - 587, 1991.

PA DeLuca: Gait analysis in the treatment of the ambulatory child with cerebral palsy. Clinical Orthopaedics and Related Research. 264:65-75, 1991.

S Rose, S Õunpuu, PA DeLuca: Strategies for the assessment of gait in a clinical setting. Physical Therapy, 71:961-980, 1991.

JV Banta, KJ Bell, EA Muik, J Fezio: Parawalker: Energy cost of walking. European Journal of Pediatric Surgery, Suppl I, 7-17, 1991.

RB Davis: Book Review: Advances in external control of human extremities X. Annals of Biomedical Engineering, 20(2):259-259, 1992.

LF Boscarino, S Õunpuu, RB Davis, JR Gage, PA DeLuca: The effects of selective dorsal rhizotomy on gait in children with cerebral palsy. Journal of Pediatric Orthopaedics, 13:174-179, 1993.

S Õunpuu, E Muik, RB Davis, JR Gage, PA DeLuca: Part I: The effect of the rectus femoris transfer location on knee motion in children with cerebral palsy. Journal of Pediatric Orthopaedics, 13(3):325-330, 1993.

S Õunpuu, E Muik, RB Davis, JR Gage, PA DeLuca: Part II: A comparison of the distal rectus femoris transfer and release on knee motion in children with cerebral palsy. Journal of Pediatric Orthopaedics, 13(3):331-335, 1993.

SA Rose, PA DeLuca, RB Davis, S Õunpuu, and JR Gage: Kinematic and kinetic evaluation of the ankle following lengthening of the gastrocnemius fascia in children with cerebral palsy. Journal of Pediatric Orthopaedics, 13(6):727-732, 1993.

JR Gage, PA DeLuca, TS Renshaw: Gait Analysis: Principles and applications. Emphasis on its use in cerebral palsy. Journal of Bone and Joint Surgery, 77A:1607-1623, 1995.

S Õunpuu, KJ Bell, RB Davis, PA DeLuca: An evaluation of the posterior leaf spring orthosis using joint kinematics and kinetics. Journal of Pediatric Orthopaedics, 16:378-384, 1996.

S Õunpuu, RB Davis, PA DeLuca: Joint kinetics: methods, interpretation and treatment decision-making in children with cerebral palsy and myelomeningocele. Gait & Posture, 4(1):62-78, 1996.

RB Davis, PA DeLuca: Gait characterization via dynamic joint stiffness. Gait & Posture, 4(3):224-231, 1996.

PA DeLuca: The musculoskeletal management of the child with cerebral palsy. Pediatric Clinics of North America, 43(5):1135-1150, 1996.

J Judge, RB Davis, S Õunpuu: Step length reductions in advanced age: the role of ankle and hip kinetics. Journal of Gerontology: Medical Sciences, 51A(6):M303-M312, 1996.

S Õunpuu, PA DeLuca, KJ Bell, RB Davis: Using surface electrodes for the evaluation of the rectus femoris, vastus medialis and vastus lateralis muscles in children with cerebral palsy. Gait & Posture, 5(3):211-216, 1997.

PA DeLuca, RB Davis, S Õunpuu, S Rose, R Sirkin: Alterations in surgical decision-making in patients with cerebral palsy based on three-dimensional gait analysis. Journal of Pediatric Orthopaedics, (17):608-614, 1997.

RB Davis: Reflections on clinical gait analysis. Journal of Electrophysiology and Kinesiology, 7/4:251-257, 1997.

PA DeLuca, S Õunpuu, RB Davis, JHP Walsh: The effect of hamstring and psoas lengthening on pelvic tilt in patients with spastic diplegic cerebral palsy. Journal of Pediatric Orthopaedics, (18):712-718, 1998.

JD Thomson, S Õunpuu, RB Davis, PA DeLuca: The effects of the ankle foot orthoses on knee and ankle motion in persons with myelonmeningocele: an evaluation using three-dimensional gait analysis. Journal of Pediatric Orthopaedics, (19): 27-33, 1999.

S Õunpuu, JD Thompson, RB Davis, PA DeLuca: An examination of knee function during gait in children with myelomeningocele. Journal of Pediatric Orthopaedics, 20:629-635, 2000.

Õunpuu, S, DeLuca, PA, Davis, RB, Romness, MJ, The long-term effects of femoral derotation osteotomies: an evaluation using gait analysis. Journal of Pediatric Orthopaedics, 22:139-145, 2002.

Bell, KJ, Õunpuu, S. DeLuca, PA, Romness, MJ, Natural Progression of Gait in Children with Cerebral Palsy. Journal of Pediatric Orthopaedics, 22:677-682, 2002.

Goldberg, SR, Õunpuu, S, Delp, SL, The importance of swing phase initial conditions in stiff-knee gait, Journal of Biomechanics, 36, 1111-1116, 2003.

Davids, J, Õunpuu, S, DeLuca, PA and Davis, RB, Optimization of walking ability of children with cerebral palsy. JBJS (Am), 85-A (11), 2224-2234, 2003.

Book Chapters

JR Gage, S Õunpuu: Gait Analysis in Clinical Practice. In Seminars in Orthopaedics, 4(2):72-87, 1989.

RB Davis, S Õunpuu , DJ Tyburski, JR Gage: Data Collection and Reduction Techniques in Clinical Gait Analysis. In Assessment of Clinical Protocols, pp. 6.1-6.26, 1989.

PA DeLuca: The Use of Gait Analysis and Dynamic Electromyogram in the Assessment of the Child with Cerebral Palsy. In Seminars in Orthopaedics, 4(4):256-276, 1989.

JR Gage: An Overview of Normal and Cerebral Palsy Gait. In Neurosurgery: State of the Art Reviews, 4(2):379-401, Philadelphia: Hanley & Belfus, Inc., 1989.

DA Winter, SJ Olney, J Conrad, SC White, S Õunpuu, JR Gage: Adaptability of Motor Patterns in Gait. In Multiple Muscle Systems: Biomechanics and Movement Organization, Chapter 44, Springer-Verlag, New York, 1990.

S Õunpuu: The Biomechanics of Running: A Kinematic and Kinetic Analysis. In Instructional Course Lectures, Vol. XXXVIII, 1990.

JR Gage: Normal Walking. In Instructional Course Lectures, Vol. XXXVIII, 1990.
PA DeLuca: Gait Analysis in the Treatment of the Ambulatory Child with Cerebral Palsy. In Clinical Orthopaedics and Related Research, 264:5-75, 1991.

RB Davis: A System for Clinical Gait Analysis Data Reduction. In Gangbildanlyse: Stand der Mebtechnik und Bedeutung fur die Orthopadie-Technik, U. Boenick and M. Nader (Editors), Mecke Druck und Verlag, Duderstadt, Germany, 1991.

JR Gage, S Õunpuu: Surgical Intervention in the Correction of Primary and Secondary Gait Abnormalities. In Adaptability of Human Gait: Implications for the Control of Locomotion, Elsevier Science Publishers, The Netherlands, 1991.

PA DeLuca: Cerebral Palsy. In The Child's Foot and Ankle, Raven Press, Ltd., New York, 1992.

S Õunpuu: The Biomechanics of Walking and Running. In Clinics in Sports Medicine: Foot and Ankle Injuries, PK Kwong (Editor), W. B. Saunders Company, pp. 843-863, October, 1994.

S Õunpuu: Gait Analysis for the Clinician. In Mobility and Gait, BS Spivack (Editor), Marcel Dekker, Inc., New York, December, 1994.

RB Davis, PA DeLuca, S Õunpuu: Analysis of Gait. In The Biomedical Engineering Handbook, JD Bronzino (Editor), CRC Press, Boca Raton, 381-390, 1995.

S Õunpuu: Joint Kinetics: Interpretation and Clinical Decision-making for the Treatment of Gait Abnormalities in Children with Neuromuscular Disorders. In Human Motion Analysis: Current Applications and Future Directions, PA Smith and GF Harris (Editors), IEEE Press, Piscataway, New Jersey, pp. 268-302, 1996.

RB Davis, PA DeLuca: Clinical Gait Analysis: Current Methods and Future Directions. In Human Motion Analysis, GF Harris and PA Smith (Editors), IEEE Press, Piscataway, New Jersey, pp. 15-42, 1996.

J Judge, S Õunpuu, RB Davis: Effects of Age on the Biomechanics and Physiology of Gait. In Clinics in Geriatric Medicine: Gait and Balance Disorders, S Studenski (Editor), W.B. Saunders, Company, Philadelphia, 12(4):659-678, 1996.

PA DeLuca: Cerebral Palsy. In Selected Bibliography of Pediatric Orthopaedics, JH Beaty, CT Price (Editors), American Academy of Orthopaedic Surgery, Rosement, Ill, pp. 255-270, 1996.

RB Davis, S Õunpuu, PA DeLuca: Gait Data: Reporting, Archiving, and Sharing. In Three-Dimensional Analysis of Human Movement, P Allard, A Cappozzo, A Lundberg, C Vaughan (Editors), John Wiley & Sons, Ltd., Sussex, England, pp. 389-406, 1997.

Õunpuu, S, DeLuca, PA, Davis, RB, Gait Analysis. In Congenital Hemiplegia, Brian Neville and Robert Goodman (Editors), MacKeith Press, London 81-97, 2000.

Õunpuu, S. Gait Analysis in Orthopaedics, In Orthopaedics, R Fitzgerald, H Kaufer, A Malkani (Editors), Mosby Inc, St. Louis, 86-107, 2002.

Õunpuu, S. Chapter 14: Patterns of Gait Pathology, In Treatment of Gait Problems in Cerebral Palsy, Eds. James R. Gage, Mac Keith Press, London (2004).

Davis RB, and Õunpuu S. Chapter 8: Kinetics of Normal Gait, In Treatment of Gait Problems in Cerebral Palsy, Eds. James R. Gage, Mac Keith Press, London (2004).

Õunpuu S. Chapter 11: Gait Analysis in Documenting and Understanding Hip Function, In The Pediatric Hip, Eds. John V. Banta, Mac Keith Press, London, (2003).