Joint position error after neck protraction-retraction movements in healthy office workers: a cross-sectional study

Pürckhauer, Helen; Rast, Fabian Marcel; Nicoletti, Corinne; Ernst, Markus

doi:10.1016/j.humov.2020.102633

Cited by 8 publications

(8 citation statements)

References 45 publications

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“…In the measurement of CP on the frontal plane with laser equipments, protraction or retraction of the cervical region causes the measurement values to change and is stated as a disadvantage in the literature [11,12]. As we explained in the methodology section, although the paths taken by the laser beams in the protrac- tion or retraction of the cervical region change, the angle they make with the horizontal platform on the ground plane does not change and becomes equal.…”

Section: Advantages Of the Horizontal Plane Measurement Methodsmentioning

confidence: 99%

“…So, Joint Position Error (JPE) needs to be tested separately for both regions [10]. However, only one study which is published by Pürckhauer et al has measured UCS and LCS proprioception separately [11]. Another discussion about the measurement of CP on the frontal plane with laser equipments, protraction or retraction of the cervical region causes the measurement values to change and is stated as a disadvantage in the literature [11,12].…”

Section: Introductionmentioning

confidence: 99%

“…However, only one study which is published by Pürckhauer et al has measured UCS and LCS proprioception separately [11]. Another discussion about the measurement of CP on the frontal plane with laser equipments, protraction or retraction of the cervical region causes the measurement values to change and is stated as a disadvantage in the literature [11,12]. When we examined the Range of Motion (ROM) measurement methods as well as proprioception measurements, it was found that the horizontal measurement method was used in only one study for ROM measurement [13], but its validity and reliability were not established in this study.…”

Section: Introductionmentioning

confidence: 99%

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Validity and Reliability of a New Method to Measure Cervical Proprioception

Köseoğlu

Çoşkunsu

Mutlu

2022

Physikalische Medizin, Rehabilitationsmedizin, Kurortmedizin

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Objective An accurate and reliable measurement of proprioception is important in the evaluation of the cervical. The aim of this study is to investigate the validity and reliability of a new method using Horizontal Plane Target Platform (HPTP) to assess Head Repositioning Accuracy (HRA) for Cervical Proprioception (CP). Methods HRA values of 86 healthy volunteers (21.01±2.16 yrs.) were measured through AOS PropPoint laser apparatus device on HPTP, Frontal Plane Target Platform (FPTP), and also CROM device to assess test-retest reliability and validity. Results The test-retest measurements of HPTP reliability was (ICCleft=0.69, ICCright=0.74; SEMleft=0.28, SEMright=0.36; MDCleft=1.85, MDCright=2.02 95%CI) were moderate for both side. Correlation with the CROM device results was moderate for both side (r=0.75 for left size, r=0.83 for right side), and the absolute values demonstrate concordance between results using the Bland-Altman method. Conclusions HRA measurements performed with a laser apparatus on HPTP which we developed can be used as an alternative method in CP evaluation.

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Section: Advantages Of the Horizontal Plane Measurement Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Validity and Reliability of a New Method to Measure Cervical Proprioception

Köseoğlu

Çoşkunsu

Mutlu

2022

Physikalische Medizin, Rehabilitationsmedizin, Kurortmedizin

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“…Instead of measuring the displacement of the head [ 27 , 28 ], the craniovertebral angle (CVA) method is widely used to assess FHP [ 17 , 29 , 30 , 31 ]. Pürkhauer et al used the Kinect ® face tracking algorithm to measure FHP [ 32 ]. Another approach is to use a combination of inertial measurement units (IMU) and strain gauges on the neck, which allows tracking the neck angle [ 33 ].…”

Section: Introductionmentioning

confidence: 99%

“…Existing IMU models measure the angles of the neck accurately to some extent, but none of these models include an estimate of translation which would be important for the study of forward head postures [ 34 , 35 , 36 ]. In contrast, camera-based systems limit a persons’ range of motion because the person must always act within the field of view of the cameras [ 32 , 34 , 37 ]. A simple biomechanical model of the neck that can estimate translation but is independent of cameras would therefore be of great advantage.…”

Section: Introductionmentioning

confidence: 99%

A Two Joint Neck Model to Identify Malposition of the Head Relative to the Thorax

Schmid

Bauer

Ernst

et al. 2021

Sensors

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Neck pain is a frequent health complaint. Prolonged protracted malpositions of the head are associated with neck pain and headaches and could be prevented using biofeedback systems. A practical biofeedback system to detect malpositions should be realized with a simple measurement setup. To achieve this, a simple biomechanical model representing head orientation and translation relative to the thorax is introduced. To identify the parameters of this model, anthropometric data were acquired from eight healthy volunteers. In this work we determine (i) the accuracy of the proposed model when the neck length is known, (ii) the dependency of the neck length on the body height, and (iii) the impact of a wrong neck length on the models accuracy. The resulting model is able to describe the motion of the head with a maximum uncertainty of 5 mm only. To achieve this high accuracy the effective neck length must be known a priory. If however, this parameter is assumed to be a linear function of the palpable neck length, the measurement error increases. Still, the resulting accuracy can be sufficient to identify and monitor a protracted malposition of the head relative to the thorax.

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