A minimal markerset for three-dimensional foot function assessment: measuring navicular drop and drift under dynamic conditions
Abstract Background The validity of predicting foot pronation occurring mainly at the midfoot by surrogate measures from the rearfoot, like eversion excursion, is limited. The dynamic navicular mobility in terms of vertical navicular drop (dNDrop) and medial navicular drift (dNDrift) may be regarded...
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Format: | Article |
Language: | English |
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Wiley
2018-04-01
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Series: | Journal of Foot and Ankle Research |
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Online Access: | http://link.springer.com/article/10.1186/s13047-018-0257-2 |
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author | Patric Eichelberger Angela Blasimann Nicole Lutz Fabian Krause Heiner Baur |
author_facet | Patric Eichelberger Angela Blasimann Nicole Lutz Fabian Krause Heiner Baur |
author_sort | Patric Eichelberger |
collection | DOAJ |
description | Abstract Background The validity of predicting foot pronation occurring mainly at the midfoot by surrogate measures from the rearfoot, like eversion excursion, is limited. The dynamic navicular mobility in terms of vertical navicular drop (dNDrop) and medial navicular drift (dNDrift) may be regarded as meaningful clinical indicators to represent overall foot function. This study aimed to develop a minimal approach to measure the two parameters and to examine their intra- and interday reliability during walking. Methods The minimal markerset uses markers at the lateral and medial caput of the 1st and 5th metatarsals, respectively, at the dorsal calcaneus and at the tuberosity of the navicular bone. Dynamic navicular drop and drift were assessed with three-dimensional motion capture in 21 healthy individuals using a single-examiner test-retest study design. Results Intra- and interday repeatability were 1.1 mm (ICC 21 0.97) and 2.3 mm (ICC 21 0.87) for dynamic navicular drop and 1.5 mm (ICC 21 0.96) and 5.3 mm (ICC 21 0.46) for dynamic navicular drift. The contribution of instrumental errors was estimated to 0.25 mm for dynamic navicular drop and 0.86 mm for dynamic navicular drift. Conclusions Interday reliability was generally worse than intraday reliability primary due to day-to-day variations in movement patterns and the contribution of instrumental errors was below 23% for dynamic navicular drop but reached 57% for dynamic navicular drift. The minimal markerset allows to simply transfer the known concepts of navicular drop and drift from quasi-static clinical test conditions to functional tasks, which is recommended to more closely relate assessments to the functional behavior of the foot. |
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format | Article |
id | doaj.art-b3b4c5fa47f94fe3a8af2e0e586c8002 |
institution | Directory Open Access Journal |
issn | 1757-1146 |
language | English |
last_indexed | 2024-04-24T14:13:18Z |
publishDate | 2018-04-01 |
publisher | Wiley |
record_format | Article |
series | Journal of Foot and Ankle Research |
spelling | doaj.art-b3b4c5fa47f94fe3a8af2e0e586c80022024-04-03T08:59:06ZengWileyJournal of Foot and Ankle Research1757-11462018-04-0111111010.1186/s13047-018-0257-2A minimal markerset for three-dimensional foot function assessment: measuring navicular drop and drift under dynamic conditionsPatric Eichelberger0Angela Blasimann1Nicole Lutz2Fabian Krause3Heiner Baur4Bern University of Applied Sciences, Department of Health Professions, Discipline of PhysiotherapyBern University of Applied Sciences, Department of Health Professions, Discipline of PhysiotherapyBern University of Applied Sciences, Department of Health Professions, Discipline of PhysiotherapyUniversity Hospital Bern, Inselspital, Department of Orthopaedic SurgeryBern University of Applied Sciences, Department of Health Professions, Discipline of PhysiotherapyAbstract Background The validity of predicting foot pronation occurring mainly at the midfoot by surrogate measures from the rearfoot, like eversion excursion, is limited. The dynamic navicular mobility in terms of vertical navicular drop (dNDrop) and medial navicular drift (dNDrift) may be regarded as meaningful clinical indicators to represent overall foot function. This study aimed to develop a minimal approach to measure the two parameters and to examine their intra- and interday reliability during walking. Methods The minimal markerset uses markers at the lateral and medial caput of the 1st and 5th metatarsals, respectively, at the dorsal calcaneus and at the tuberosity of the navicular bone. Dynamic navicular drop and drift were assessed with three-dimensional motion capture in 21 healthy individuals using a single-examiner test-retest study design. Results Intra- and interday repeatability were 1.1 mm (ICC 21 0.97) and 2.3 mm (ICC 21 0.87) for dynamic navicular drop and 1.5 mm (ICC 21 0.96) and 5.3 mm (ICC 21 0.46) for dynamic navicular drift. The contribution of instrumental errors was estimated to 0.25 mm for dynamic navicular drop and 0.86 mm for dynamic navicular drift. Conclusions Interday reliability was generally worse than intraday reliability primary due to day-to-day variations in movement patterns and the contribution of instrumental errors was below 23% for dynamic navicular drop but reached 57% for dynamic navicular drift. The minimal markerset allows to simply transfer the known concepts of navicular drop and drift from quasi-static clinical test conditions to functional tasks, which is recommended to more closely relate assessments to the functional behavior of the foot.http://link.springer.com/article/10.1186/s13047-018-0257-2Navicular mobility3D gait analysisWalkingInstrumental errors |
spellingShingle | Patric Eichelberger Angela Blasimann Nicole Lutz Fabian Krause Heiner Baur A minimal markerset for three-dimensional foot function assessment: measuring navicular drop and drift under dynamic conditions Journal of Foot and Ankle Research Navicular mobility 3D gait analysis Walking Instrumental errors |
title | A minimal markerset for three-dimensional foot function assessment: measuring navicular drop and drift under dynamic conditions |
title_full | A minimal markerset for three-dimensional foot function assessment: measuring navicular drop and drift under dynamic conditions |
title_fullStr | A minimal markerset for three-dimensional foot function assessment: measuring navicular drop and drift under dynamic conditions |
title_full_unstemmed | A minimal markerset for three-dimensional foot function assessment: measuring navicular drop and drift under dynamic conditions |
title_short | A minimal markerset for three-dimensional foot function assessment: measuring navicular drop and drift under dynamic conditions |
title_sort | minimal markerset for three dimensional foot function assessment measuring navicular drop and drift under dynamic conditions |
topic | Navicular mobility 3D gait analysis Walking Instrumental errors |
url | http://link.springer.com/article/10.1186/s13047-018-0257-2 |
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