Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/121774
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Type: Journal article
Title: A novel sideways fall simulator to study hip fractures ex vivo
Author: Fleps, I.
Vuille, M.
Melnyk, A.
Ferguson, S.J.
Guy, P.
Helgason, B.
Cripton, P.A.
Citation: PLoS One, 2018; 13(7):e0201096-1-e0201096-15
Publisher: Public Library of Science
Issue Date: 2018
ISSN: 1932-6203
1932-6203
Statement of
Responsibility: 
Ingmar Fleps, Muriel Vuille, Angela Melnyk, Stephen J. Ferguson, Pierre Guy, Benedikt Helgason, Peter A. Cripton
Abstract: Falls to the side are the leading cause of hip fractures in the elderly. The load that a person experiences during a fall cannot be measured with volunteers for ethical reasons. To evaluate injurious loads, while considering relevant energy input and body posture for a sideways fall, a subject-specific cadaveric impact experiment was developed. Full cadaveric femur-pelvis constructs (N = 2) were embedded in surrogate soft tissue material and attached to metallic surrogate lower limbs. The specimens were then subjected to an inverted pendulum motion, simulating a fall to the side with an impact to the greater trochanter. The load at the ground and the deformation of the pelvis were evaluated using a 6-axis force transducer and two high-speed cameras. Post-test, a trauma surgeon (PG) evaluated specimen injuries. Peak ground contact forces were 7132 N and 5641 N for the fractured and non-fractured specimen, respectively. We observed a cervical fracture of the femur in one specimen and no injuries in a second specimen, showing that the developed protocol can be used to differentiate between specimens at high and low fracture risk.
Keywords: Pelvic Bones
Rights: © 2018 Fleps et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
DOI: 10.1371/journal.pone.0201096
Appears in Collections:Aurora harvest 4
Orthopaedics and Trauma publications

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