Hip protectors: Recommendations for biomechanical testing – an international consensus statement (Part 1)

Robinovitch, S.N., Evans, S.L., Evans, J., Laing, A.C., Kannus, P., Cripton, P.A., Derler, S., Birge, S.J., Plant, D., Cameron, I,D., Kiel, D.P., Howland, J., Khan, K. and Lauritzen, J.B. (2009) Hip protectors: Recommendations for biomechanical testing – an international consensus statement (Part 1). Osteoporosis International, 20 12: 1977-1988. doi:10.1007/s00198-009-1045-4

Author Robinovitch, S.N.
Evans, S.L.
Evans, J.
Laing, A.C.
Kannus, P.
Cripton, P.A.
Derler, S.
Birge, S.J.
Plant, D.
Cameron, I,D.
Kiel, D.P.
Howland, J.
Khan, K.
Lauritzen, J.B.
Title Hip protectors: Recommendations for biomechanical testing – an international consensus statement (Part 1)
Journal name Osteoporosis International   Check publisher's open access policy
ISSN 0937-941X
Publication date 2009-10-01
Sub-type Article (original research)
DOI 10.1007/s00198-009-1045-4
Open Access Status Not yet assessed
Volume 20
Issue 12
Start page 1977
End page 1988
Total pages 12
Place of publication Surrey, United Kingdom
Publisher Springer
Language eng
Formatted abstract
Hip protectors represent a promising strategy for preventing fall-related hip fractures. However, clinical trials have yielded conflicting results due, in part, to lack of agreement on techniques for measuring and optimizing the biomechanical performance of hip protectors as a prerequisite to clinical trials.

In November 2007, the International Hip Protector Research Group met in Copenhagen to address barriers to the clinical effectiveness of hip protectors. This paper represents an evidence-based consensus statement from the group on recommended methods for evaluating the biomechanical performance of hip protectors.

Results and conclusions:
The primary outcome of testing should be the percent reduction (compared with the unpadded condition) in peak value of the axial compressive force applied to the femoral neck during a simulated fall on the greater trochanter. To provide reasonable results, the test system should accurately simulate the pelvic anatomy, and the impact velocity (3.4 m/s), pelvic stiffness (acceptable range: 39-55 kN/m), and effective mass of the body (acceptable range: 22-33 kg) during impact. Given the current lack of clear evidence regarding the clinical efficacy of specific hip protectors, the primary value of biomechanical testing at present is to compare the protective value of different products, as opposed to rejecting or accepting specific devices for market use.
Keyword Aged
Hip fractures
Materials testing
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ
Additional Notes Published online: 6 October 2009 PMID: 19806286

Document type: Journal Article
Sub-type: Article (original research)
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