Support system of Lisfranc joint complex: An anatomical investigation with an evolutionary perspective.

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Abstract

[Indexed for MEDLINE] 9. Sci Rep. 2019 Nov 20;9(1):17187. doi: 10.1038/s41598-019-53459-w. The association between high-arched feet, plantar pressure distribution and body posture in young women. Woźniacka R(1), Oleksy Ł(2)(3), Jankowicz-Szymańska A(4), Mika A(5), Kielnar R(6), Stolarczyk A(2)(7). Author information: (1)Department of Anatomy, Faculty of Motor Rehabilitation, University of Physical Education in Krakow, Krakow, Poland. renatawozniacka@wp.pl. (2)Physiotherapy and Sports Centre, Rzeszow University of Technology, Rzeszow, Poland. (3)Oleksy Medical & Sports Sciences, Łańcut, Poland. (4)Institute of Health Sciences, State Higher Vocational School in Tarnow, Tarnow, Poland. (5)Department of Clinical Rehabilitation, University of Physical Education in Krakow, Krakow, Poland. (6)Institute of Physiotherapy, Medical College of Rzeszow University, Rzeszow, Poland. (7)Orthopaedic and Rehabilitation Department, Medical University of Warsaw, Poland. The aim of this study was to examine the effect of excessive feet arching (symmetrical and asymmetrical) on plantar pressure distribution and on the alignment of pelvis, spine and shoulder girdle. Eighty-one women (20-40 years old, 61 +/- 12 kg, 165 +/- 5 cm) were divided into 3 groups based on the foot arch index (Group 1 - with normally arched feet, Group 2 with one foot properly arched and the other high-arched, Group 3 with both feet high-arched). Plantar pressure distribution between the right and left foot for the forefoot, midfoot and rearfoot, respectively and body posture were assessed. A slight increase in longitudinal arch of the foot caused changes in the distribution of feet loads both between limbs and between the forefoot and rearfoot and also influenced the whole body. Asymmetrical high-arching of the feet resulted in asymmetry of lower limb load and in the height of the shoulder girdle. We have suggested that any alteration of the foot arch may be harmful to body tissues and should not be considered as correct. Due to the fact that slight increases in longitudinal arch of the foot are very common, they should be considered as a foot defect, and appropriate corrective exercises should be used to prevent forefoot overload and alterations in body posture. DOI: 10.1038/s41598-019-53459-w PMCID: PMC6868125