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Osteoporosis International
Published in: Osteoporosis International 10/2017

01-10-2017 | Review

Sideways fall-induced impact force and its effect on hip fracture risk: a review

Authors: M. Nasiri Sarvi, Y. Luo

Published in: Osteoporosis International | Issue 10/2017

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Abstract

Summary

Osteoporotic hip fracture, mostly induced in falls among the elderly, is a major health burden over the world. The impact force applied to the hip is an important factor in determining the risk of hip fracture. However, biomechanical researches have yielded conflicting conclusions about whether the fall-induced impact force can be accurately predicted by the available models. It also has been debated whether or not the effect of impact force has been considered appropriately in hip fracture risk assessment tools. This study aimed to provide a state-of-the-art review of the available methods for predicting the impact force, investigate their strengths/limitations, and suggest further improvements in modeling of human body falling.

Methods

We divided the effective parameters on impact force to two categories: (1) the parameters that can be determined subject-specifically and (2) the parameters that may significantly vary from fall to fall for an individual and cannot be considered subject-specifically.

Results

The parameters in the first category can be investigated in human body fall experiments. Video capture of real-life falls was reported as a valuable method to investigate the parameters in the second category that significantly affect the impact force and cannot be determined in human body fall experiments.

Conclusions

The analysis of the gathered data revealed that there is a need to develop modified biomechanical models for more accurate prediction of the impact force and appropriately adopt them in hip fracture risk assessment tools in order to achieve a better precision in identifying high-risk patients.
Appendix
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Metadata
Title
Sideways fall-induced impact force and its effect on hip fracture risk: a review
Authors
M. Nasiri Sarvi
Y. Luo
Publication date
01-10-2017
Publisher
Springer London
Published in
Osteoporosis International / Issue 10/2017
Print ISSN: 0937-941X
Electronic ISSN: 1433-2965
DOI
https://doi.org/10.1007/s00198-017-4138-5

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