A posture monitoring system using accelerometers

Nevins, R.J.; Durdle, N.G.; Raso, V.J.

doi:10.1109/ccece.2002.1013098

Cited by 27 publications

(20 citation statements)

References 4 publications

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“…In recent years a number of devices have been developed to analyse spinal posture outside the laboratory (Donatell et al 2005, Dean and Dean 2006, Horton and Abbott 2008. Spinal posture analysis is now possible using accelerometers (Bazzarelli et al 2001, Nevins et al 2002, Wong and Wong 2008, gyroscopes (Lee et al 2003), strain gauges and/or optical sensors (Donatell et al 2005, Dean andDean 2006) and even sensing fabrics (de Rossi et al 2003, Walsh et al 2006. Recent reviews have highlighted that, despite the potential of such devices, there is a lack of empirical data supporting their use (Wong et al 2007, Hermens andVollenbroek-Hutton 2008).…”

Section: Introductionmentioning

confidence: 99%

The between-day and inter-rater reliability of a novel wireless system to analyse lumbar spine posture

et al. 2010

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Peter(2011) 'The between-day and inter-rater reliability of a novel wireless system to analyse lumbar spine posture ', Ergonomics, 54: 1,[82][83][84][85][86][87][88][89][90] To link to this Article: DOI: 10.1080/00140139.2010.535020 URL: http://dx.doi.org/10.1080/00140139.2010.535020Full terms and conditions of use: http://www.informaworld.com/terms-and-conditions-of-access.pdf This article may be used for research, teaching and private study purposes. Any substantial or systematic reproduction, re-distribution, re-selling, loan or sub-licensing, systematic supply or distribution in any form to anyone is expressly forbidden.The publisher does not give any warranty express or implied or make any representation that the contents will be complete or accurate or up to date. The accuracy of any instructions, formulae and drug doses should be independently verified with primary sources. The publisher shall not be liable for any loss, actions, claims, proceedings, demand or costs or damages whatsoever or howsoever caused arising directly or indirectly in connection with or arising out of the use of this material.The between-day and inter-rater reliability of a novel wireless system to analyse lumbar spine posture Lumbar posture is commonly assessed in non-specific chronic low back pain (NSCLBP), although quantitative measures have mostly been limited to laboratory environments. The BodyGuard TM is a spinal position monitoring device that can monitor posture in real time, both inside and outside the laboratory. The reliability of this wireless device was examined in 18 healthy participants during usual sitting and forward bending, two tasks that are commonly provocative in NSCLBP. Reliability was determined using intraclass correlation coefficients (ICC), the standard error of measurement (SEM), the mean difference and the minimal detectable change (MDC90). Betweenday ICC values ranged from 0.84 to 0.87, with small SEM (5%), mean difference (59%) and MDC90 (514%) values. Inter-rater ICC values ranged from 0.91 to 0.94, with small SEM (4%), mean difference (6%) and MDC90 (9%) values. Between-day and inter-rater reliability are essential requirements for clinical utility and were excellent in this study. Further studies into the validity of this device and its application in clinical trials in occupational settings are required. Statement of Relevance:A novel device that can analyse spinal posture exposure in occupational settings in a minimally invasive manner has been developed. This study established that the device has excellent between-day and inter-rater reliability in healthy pain-free subjects. Further studies in people with low back pain are planned.

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Section: Introductionmentioning

confidence: 99%

The between-day and inter-rater reliability of a novel wireless system to analyse lumbar spine posture

et al. 2010

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“…1), which describes the position and orientation of the base in G. An additional hinge modelling the humerus internal-external rotation around Z L0 (INEX) is thus embedded in the model. Applying D-H definitions [5], we then computed the D-H parameters α, a, θ and d for the three links (L1-L3) of the kinematic chain formed by the INEX, FLEX and PS hinge joints (Fig. 1).…”

Section: Methodsmentioning

confidence: 99%

“…AP and lateral radiographs were used to determine static foot alignment and define local coordinate system orientation. The radiographically determined sagittal plane angle between the first metatarsal and calcaneus (1MTCA) was used to represent arch height [5]. Visual 3D (C-motion Inc.) was used to calculate three-dimensional displacements.…”

Section: Methodsmentioning

confidence: 99%

New insights into the windlass mechanism

2006

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“…It was able to detect the trunk tilting only but not in term of curvature because it was without reference signals from the distal portion of the trunk. Nevins et al [5] demonstrated that using of six accelerometers which positioned along the vertical axis of the back for continuous monitoring trunk posture on the sagittal plane during daily activities. Although more sensors could provide more information about the orientation of the spine, a good design should balance the accuracy and practicality but not to cause deviation from the subject's daily activities.…”

mentioning

confidence: 99%

“…Therefore, these sensors have been considered for developing a portable system for detecting trunk movements. Analyses of trunk orientation relative to other body segments using inertial sensors have been demonstrated in quantifying human daily activities [1], gait analysis [2], physiotherapeutic scoliosis treatment [3], posture analysis [4,5] and trunk motions analysis [6]. However, the possibility of using these inertial sensors for collecting postural information related to the curvature of the back has not been investigated.…”

mentioning

confidence: 99%

Using inertial sensing units to detect spinal posture change in trunk movements

Wong

2006

Gait & Posture

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A posture monitoring system using accelerometers

Cited by 27 publications

References 4 publications

The between-day and inter-rater reliability of a novel wireless system to analyse lumbar spine posture

The between-day and inter-rater reliability of a novel wireless system to analyse lumbar spine posture

New insights into the windlass mechanism

Using inertial sensing units to detect spinal posture change in trunk movements

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