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Sagittal knee kinematics after hamstring lengthening

Carney, Brian T.a; Oeffinger, Donnab; Meo, Anne Mariec

Journal of Pediatric Orthopaedics B: September 2006 - Volume 15 - Issue 5 - p 348-350

The purpose of this study was to analyze sagittal knee kinematics after hamstring lengthening. A retrospective analysis was performed of 16 children (32 knees) with cerebral palsy who underwent hamstring lengthening as an isolated surgical procedure. Gait analysis was performed before surgery and at a minimum of 1 year after surgery. Decreased stance maximum knee flexion, stance minimum knee flexion, swing maximum knee flexion, and swing minimum knee flexion were noted. Total knee excursion increased. The present study confirmed the previously reported increased total knee excursion with decreased stance minimum and swing maximum knee flexion.

aDartmouth-Hitchcock Medical Center, Lebanon, New Hampshire

bShriners Hospitals for Children, Lexington, Kentucky

cPeninsula Hospital Consortium, Far Rockaway, New York, USA

Correspondence and requests for reprints to Brian T. Carney, MD, Department of Orthopaedic Surgery, Dartmouth-Hitchcock Medical Center, One Medical Center Drive, Lebanon, NH 03756-0001, USA

Tel: +1 603 650 8678; e-mail:

The author has not received any commercial or proprietary interest in any drug, device, or equipment.

The author has no financial interest in any item.

Study performed at the Shriners Hospital for Children, Lexington, Kentucky, USA.

© 2006 Lippincott Williams & Wilkins, Inc.