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. 2020 Nov 30;39(1):39.
doi: 10.1186/s40101-020-00246-6.

Standard reference values of weight and maximum pressure distribution in healthy adults aged 18-65 years in Germany

D Ohlendorf  1 , K Kerth  1 , W Osiander  2 , F Holzgreve  3 , L Fraeulin  1 , H Ackermann  4 , D A Groneberg  1
Affiliations

Standard reference values of weight and maximum pressure distribution in healthy adults aged 18-65 years in Germany

D Ohlendorf et al. J Physiol Anthropol. .

Abstract

Background: The aim of this study was to collect standard reference values of the weight and the maximum pressure distribution in healthy adults aged 18-65 years and to investigate the influence of constitutional parameters on it.

Methods: A total of 416 healthy subjects (208 male / 208 female) aged between 18 and 65 years (Ø 38.3 ± 14.1 years) participated in this study, conducted 2015-2019 in Heidelberg. The age-specific evaluation is based on 4 age groups (G1, 18-30 years; G2, 31-40 years; G3, 41-50 years; G4, 51-65 years). A pressure measuring plate FDM-S (Zebris/Isny/Germany) was used to collect body weight distribution and maximum pressure distribution of the right and left foot and left and right forefoot/rearfoot, respectively.

Results: Body weight distribution of the left (50.07%) and right (50.12%) foot was balanced. There was higher load on the rearfoot (left 54.14%; right 55.09%) than on the forefoot (left 45.49%; right 44.26%). The pressure in the rearfoot was higher than in the forefoot (rearfoot left 9.60 N/cm2, rearfoot right 9.51 N/cm2/forefoot left 8.23 N/cm2, forefoot right 8.59 N/cm2). With increasing age, the load in the left foot shifted from the rearfoot to the forefoot as well as the maximum pressure (p ≤ 0.02 and 0.03; poor effect size). With increasing BMI, the body weight shifted to the left and right rearfoot (p ≤ 0.001, poor effect size). As BMI increased, so did the maximum pressure in all areas (p ≤ 0.001 and 0.03, weak to moderate effect size). There were significant differences in weight and maximum pressure distribution in the forefoot and rearfoot in the different age groups, especially between younger (18-40 years) and older (41-65 years) subjects.

Discussion: Healthy individuals aged from 18 to 65 years were found to have a balanced weight distribution in an aspect ratio, with a 20% greater load of the rearfoot. Age and BMI were found to be influencing factors of the weight and maximum pressure distribution, especially between younger and elder subjects. The collected standard reference values allow comparisons with other studies and can serve as a guideline in clinical practice and scientific studies.

Keywords: Healthy adults; Postural control; Pressure distribution; Pressure measuring plate; Standard reference values.

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Conflict of interest statement

None declared.

Figures

Fig. 1
Fig. 1
Correlation of age with a balance forefoot left and b balance rearfoot left
Fig. 2
Fig. 2
BMI distribution according to age groups
Fig. 3
Fig. 3
Distribution of the maximum pressure among groups and foot regions
See this image and copyright information in PMC

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