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Gepubliceerd in: Journal of Foot and Ankle Research 1/2012

Open Access 01-12-2012 | Keynote speaker presentation

In vivo, intrinsic kinematics of the foot and ankle

Auteurs: Toni Arndt, Chris Nester, Paul Lundgren, Arne Lundberg, Peter Wolf

Gepubliceerd in: Journal of Foot and Ankle Research | bijlage 1/2012

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Background

There are obvious problems involved in the accurate description of movement of the intrinsic bones within the foot and ankle. The 26 small bones are difficult, if not impossible to individually represent with standard skin mounted markers for motion analysis [1, 2]. This international research collaboration has performed a number of studies in which invasively inserted intracortical pins are used for anchoring reflective markers, thereby providing a direct representation of the kinematics of the individual segments.

Materials and methods

A number of experimental sessions have been performed at Karolinska Institute. The intracortical pins were inserted by experienced orthopaedic surgeons under sterile conditions and using local anaesthetics (Figure 1). Triads of reflective markers were attached to the protruding ends of the pins and standard video based motion analysis (Qualysis, Sweden) conducted. Data have been published concerning walking [3] and slow running [4] and more recent work has for the first time investigated applied scientific questions such as the effect of shoe manipulations and in-shoe orthotics.

Results

Table 1
Mean total ranges of motion (ROM) and standard deviations of motion about selected joints in the sagittal, frontal and transverse planes during walking. Data from six healthy, male subjects. From Lundgren et al., 2008.
plane
calc-tib
calc-tal
nav-tal
cub-calc
cub-nav
 
ROM [°]
SD
ROM [°]
SD
ROM [°]
SD
ROM [°]
SD
ROM [°]
SD
sag
17.0
2.1
6.8
1.4
8.4
1.1
9.7
5.2
7.2
2.4
front
11.3
3.5
9.8
1.8
14.9
6.1
11.3
3.9
8.8
4.4
trans
7.3
2.4
7.5
2.0
16.3
6.5
8.1
2.0
8.9
4.3

Conclusions

A large range of fundamental data concerning foot and ankle kinematics during walking and running and with various manipulations have been collected and will be presented.
This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://​creativecommons.​org/​licenses/​by/​2.​0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Literatuur
1.
go back to reference Nester C, et al: Foot kinematics during walking measured using bone and surface mounted markers. J Biomech. 2007, 40: 3412-3423. 10.1016/j.jbiomech.2007.05.019. CrossRefPubMed Nester C, et al: Foot kinematics during walking measured using bone and surface mounted markers. J Biomech. 2007, 40: 3412-3423. 10.1016/j.jbiomech.2007.05.019. CrossRefPubMed
2.
go back to reference Westblad P, et al: Differences in Ankle-Joint Complex Motion during the Stance Phase of Walking as measured by Superficial or Bone anchored Markers. Foot Ankle Int. 2002, 23: 856-863. PubMed Westblad P, et al: Differences in Ankle-Joint Complex Motion during the Stance Phase of Walking as measured by Superficial or Bone anchored Markers. Foot Ankle Int. 2002, 23: 856-863. PubMed
3.
go back to reference Lundgren P, et al: Invasive, in vivo measurement of rear, mid and forefoot motion during walking. Gait Posture. 2008, 28: 93-100. 10.1016/j.gaitpost.2007.10.009. CrossRefPubMed Lundgren P, et al: Invasive, in vivo measurement of rear, mid and forefoot motion during walking. Gait Posture. 2008, 28: 93-100. 10.1016/j.gaitpost.2007.10.009. CrossRefPubMed
4.
go back to reference Arndt A, et al: Intrinsic foot kinematics measured in vivo during the stance phase of slow running. J Biomech. 2007, 40: 2672-2678. 10.1016/j.jbiomech.2006.12.009. CrossRefPubMed Arndt A, et al: Intrinsic foot kinematics measured in vivo during the stance phase of slow running. J Biomech. 2007, 40: 2672-2678. 10.1016/j.jbiomech.2006.12.009. CrossRefPubMed
Metagegevens
Titel
In vivo, intrinsic kinematics of the foot and ankle
Auteurs
Toni Arndt
Chris Nester
Paul Lundgren
Arne Lundberg
Peter Wolf
Publicatiedatum
01-12-2012
Uitgeverij
BioMed Central
Gepubliceerd in
Journal of Foot and Ankle Research / Uitgave bijlage 1/2012
Elektronisch ISSN: 1757-1146
DOI
https://doi.org/10.1186/1757-1146-5-S1-K5

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