Accuracy and reliability of tridimensional electromagnetic sensor system for elbow ROM measurement View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2022-01-29

AUTHORS

Kohei Yamaura, Yutaka Mifune, Atsuyuki Inui, Hanako Nishimoto, Takeshi Kataoka, Takashi Kurosawa, Shintaro Mukohara, Yuichi Hoshino, Takahiro Niikura, Kouki Nagamune, Ryosuke Kuroda

ABSTRACT

BackgroundWhile the precise measurement of the range of motion (ROM) of the elbow joint is important for clinical assessment and rehabilitation, problems include low accuracy and reproducibility in goniometer measurements due to the influence of soft tissue. The purpose of this study was to validate elbow joint motion analysis using a three-dimensional electromagnetic sensor system (EMS).MethodsThe accuracy and reproducibility of the EMS system were evaluated at four angles (0°, 45°, 90°, and 135°) using a model bone of the humerus and forearm. In addition, the maximum extension and maximum flexion of six elbows of six healthy volunteers were assessed by radiographic and EMS measurements. Accuracy was assessed by calculating the mean value of the measurement angle, standard deviation, Pearson’s correlation coefficient, and the Bland–Altman method. Reproducibility was assessed by calculating the intra-rater and inter-rater reliabilities using intraclass correlation coefficients.ResultsIn the model bone evaluation, the mean angles of the EMS measurement were 1.2° ± 2.0°, 45.4° ± 2.1°, 91.7° ± 2.4°, and 134.6° ± 2.7° at 0°, 45°, 90°, and 135°, respectively. In the in vivo evaluation, the elbow angles at the maximum extension with the EMS and radiographic angles were 4.7° ± 3.0° and 2.7° ± 2.0°, respectively, and the angles at maximum flexion were 131.8° ± 13.0° and 130.8° ± 4.5°, respectively. There were statistically significant correlations between the EMS and radiographic measurements; the Bland–Altman plots indicated that the two methods were almost in agreement for both extension and flexion.ConclusionsThis method of measuring ROM of the elbow joint using EMS showed high accuracy, reliability, and reproducibility. The current results demonstrated the possibility of using the electromagnetic system to provide an accurate evaluation of the elbow joint in clinical settings. More... »

PAGES

60

Identifiers

URI

http://scigraph.springernature.com/pub.10.1186/s13018-022-02961-5

DOI

http://dx.doi.org/10.1186/s13018-022-02961-5

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https://app.dimensions.ai/details/publication/pub.1145099872

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/35093124


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27 schema:keywords Bland-Altman method
28 Bland-Altman plots
29 ConclusionsThis method
30 EMS measurements
31 EMS system
32 MethodsThe accuracy
33 Pearson correlation coefficient
34 ROM measurements
35 ResultsIn
36 accuracy
37 accurate evaluation
38 addition
39 agreement
40 analysis
41 angle
42 assessment
43 bone
44 bone evaluation
45 clinical assessment
46 clinical setting
47 coefficient
48 correlation
49 correlation coefficient
50 current results
51 deviation
52 elbow
53 elbow angle
54 elbow joint
55 electromagnetic sensor system
56 electromagnetic system
57 evaluation
58 extension
59 flexion
60 forearm
61 goniometer measurements
62 healthy volunteers
63 high accuracy
64 humerus
65 influence
66 inter-rater reliability
67 intraclass correlation coefficient
68 joint motion analysis
69 joints
70 low accuracy
71 maximum extension
72 maximum flexion
73 mean angle
74 mean value
75 measurement angle
76 measurements
77 method
78 model bone
79 motion
80 motion analysis
81 plots
82 possibility
83 precise measurement
84 problem
85 purpose
86 radiographic angles
87 radiographic measurements
88 range
89 range of motion
90 rehabilitation
91 reliability
92 reproducibility
93 results
94 sensor system
95 setting
96 significant correlation
97 soft tissue
98 standard deviation
99 study
100 system
101 tissue
102 values
103 vivo evaluation
104 volunteers
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