Biomechanical Analysis of Sacral Screw Strain and Range of Motion in Long Posterior Spinal Fixation Constructs

D. Fleischer, Gary; J. Kim, Yongjung; Ferrara, Lisa; L. Freeman, Andrew; Boachie-Adjei, Oheneba

doi:10.1097/brs.0b013e31822ce9a7

Public

Biomechanical Analysis of Sacral Screw Strain and Range of Motion in Long Posterior Spinal Fixation Constructs

Published in Spine • Oct 4, 2011

Authors:

Gary D. Fleischer

Yongjung J. Kim

Lisa Ferrara

Abstract

STUDY DESIGN: A cadaveric biomechanical experiment was conducted to assess the range of motion (ROM) and screw strain at S1 in a long instrumented spinal fusion construct to compare the effects of various surgical strategies for L5-S1 stabilization. OBJECTIVE: To directly quantify and compare S1 scr...

Subject

Cadaveric spasm

Medicine

Lumbosacral joint

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