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Gepubliceerd in: Journal of Foot and Ankle Research 1/2014

Open Access 01-04-2014 | Meeting abstract

The foot plantar pressures for patients with hallux valgus combines with or without claw toe

Auteurs: Wen-Lan Wu, Jina-Min Liang, Yuh-Min Cheng, Peng-Ju Huang, Jia-Hroung Wu

Gepubliceerd in: Journal of Foot and Ankle Research | bijlage 1/2014

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Background

Hallux valgus and claw toe remains the most common and disabling pathologies of the foot. The goal was to assess the difference between the patients suffered hallux valgus combine with claw toe and the patients without any complications.

Methods

7 severe HV patients (2 male and 5 female, 14 foot) and 7 patients suffered HV combine with claw toe (HVC) (1 male and 6 female, 14 foot) were recruited in this study. The F-Scan in-shoe system (Tekscan, Inc.) were used to record the data of plantar pressure at a sampling frequency of 50 Hz. Subjects were instructed to wear the custom shoes with F-Scan sensor pad and perform a 5 meter walking task on their self speed. For plantar pressure assessment, each footprint is divided into 12 regions ( MH, LH, MF, M1, M2, M3, M4, M5, T1, T2, T3, T45) to enable analysis of the instant of peak pressure (kg/cm2) and maximum force that were normalized with body weight (MxF(%BW)). The independent t test was used to determine the differences of foot regions for two groups. Results were considered statistically significant when the p<0.05.

Results

The result of anthropometric feature of the individuals recruited for the study was showed in Table 1. It showed that HVC group had significantly larger degree between M1and M2. The Table 2 showed the MxF (%BW) and peak pressure (kg/cm2) that had significant difference from two groups. It showed that the HVC group had lower PP and MxF than HV group at the T1 region; conversely, it showed higher MxF at the M2 and M3 regions.
Table 1
Anthropometric feature of the individuals recruited for the study (mean ± SD)
 
HV
HVC
Age (year) #
38.42±13.54
67.86±9.14
Height (cm)
165.29±9.72
159.14±6.20
Weight (kg)
63.86±10.17
65.28±4.89
Degree of HV (°)
33.26±7.81
38.72±10.68
Degree of M1M2 (°) #
12.28±2.08
15.61±3.39
Foot width (mm)
91.29±9.56
95.84±4.23
# means p<0.05
Table 2
Peak pressure and MxF(%BW) for walking are expressed as mean ± SD.
 
HV
HVC
Peak pressure (kg/cm2)
M2
4.45±1.91
5.78±3.36
M3
3.64±1.60
4.73±1.57
T1#
4.06±2.07
2.74±1.60
MxF (%BW)
M2#
24.58±8.48
32.16±11.29
M3#
19.92±5.69
25.12±7.17
T1#
23.74±15.02
11.41±7.29
# means p<0.05

Conclusion

In past study, Plank found a medial shift in peak pressure in most of the hallux valgus group, with a significant decrease in pressure beneath the fourth and fifth metatarsal heads and this finding was also be found from HV and HVC group. In the present study, when patients suffered HV combined with claw toe represented high peak pressure and MxF at the M2and M3 regions. It would result in the metatarsal heads bear more weight and become painful during walking.

Acknowledgements

This work was supported by a grant from the Kaohsiung Medical University Hospital, Taiwan (KMUH100-0M24).
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/​4.​0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The Creative Commons Public Domain Dedication waiver (http://​creativecommons.​org/​publicdomain/​zero/​1.​0/​) applies to the data made available in this article, unless otherwise stated.
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Literatuur
1.
go back to reference Plank MJ: The pattern of forefoot pressure distribution in hallux valgus. The Foot. 1995, 5: 8-14. 10.1016/0958-2592(95)90026-8.CrossRef Plank MJ: The pattern of forefoot pressure distribution in hallux valgus. The Foot. 1995, 5: 8-14. 10.1016/0958-2592(95)90026-8.CrossRef
Metagegevens
Titel
The foot plantar pressures for patients with hallux valgus combines with or without claw toe
Auteurs
Wen-Lan Wu
Jina-Min Liang
Yuh-Min Cheng
Peng-Ju Huang
Jia-Hroung Wu
Publicatiedatum
01-04-2014
Uitgeverij
BioMed Central
Gepubliceerd in
Journal of Foot and Ankle Research / Uitgave bijlage 1/2014
Elektronisch ISSN: 1757-1146
DOI
https://doi.org/10.1186/1757-1146-7-S1-A110

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