Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11652
Title: Quantitative measurement of hip protector use and compliance
Authors: Evans, KR
Lou, E
Woloschuk, C
Hill, D
Li, M
Wong, MS 
Keywords: Accelerometer
Compliance
Hip fracture
Hip protector
Temperature sensor
Issue Date: 2014
Publisher: Springer
Source: Medical and biological engineering and computing, 2014, v. 52, no. 1, p. 9-15 How to cite?
Journal: Medical and biological engineering and computing 
Abstract: Hip protectors are often prescribed to the elderly who are at risk of falling, with the goal of preventing hip fractures. However, determining the effectiveness of hip protectors has been hampered by unreliable compliance data. This study reports a reliable objective method of measuring compliance and the developed method could be used in any climate, regardless of temperature. Custom compliance monitors were built and embedded inside hip protectors. An algorithm was developed to utilize both temperature and acceleration to determine compliance. Seven young volunteers (age 24.6 ± 4.2 years old) wore the protectors for a total of 667 h while closely recording their compliance. One female (77 years old) who had hip fracture history wore the compliance monitors for 91.6 % of the time during a 1-week stay in a hospital. From the volunteers' trial, using temperature alone overpredicted compliance by 1.2 % and using acceleration alone overpredicted by 5.4 %, but using a combination of the two methods plus a correction factor only underestimated by 0.6 %. From the elderly data, the average compliance recorded from the temperature, acceleration, and combined methods with correction was 94.6, 88.9, and 90.2, respectively. The high accuracy of temperature sensors in this study will not be attainable in hot climates where most of the worldwide increase in hip fractures is occurring. The developed monitor with the algorithm provided high accuracy in determining compliance and was able to determine both the longitudinal and cross-sectional compliance at any time.
URI: http://hdl.handle.net/10397/11652
ISSN: 0140-0118
EISSN: 1741-0444
DOI: 10.1007/s11517-013-1116-8
Appears in Collections:Journal/Magazine Article

Access
View full-text via PolyU eLinks SFX Query
Show full item record

SCOPUSTM   
Citations

1
Last Week
0
Last month
0
Citations as of Aug 20, 2017

WEB OF SCIENCETM
Citations

1
Last Week
0
Last month
0
Citations as of Aug 21, 2017

Page view(s)

48
Last Week
1
Last month
Checked on Aug 21, 2017

Google ScholarTM

Check

Altmetric



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.