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Functional characterization of plantar pressure patterns in gait of typically developing children using dynamic pedobarography.

Abstract：

BACKGROUND:Abnormal foot posture is a common complaint presented in pediatric and pediatric orthopedic clinics. Functional, objective assessment of foot posture, with the potential for early identification of pathologic foot deformities, has, however, been lacking to date. While quantifying functional and regional impulses via dynamic pedobarography can improve the clinical assessment of children's feet, normative values have not yet been reported or characterized. RESEARCH QUESTION:The objectives of this study were to: (1) quantify and characterize the pattern and spectrum of foot impulses in walking-aged, typically developing children; and (2) compare these to impulses from non-disabled adults. METHODS:Foot impulses of 102 participants (52 female) in five pre-determined age groups (2-3, 4-6, 7-10, 11-14, 15-17 years) were examined using dynamic pedobarography. Each pressure map (3 per foot per child) was divided according to anatomical foot regions: the hallux, heel, medial forefoot, lateral forefoot, lesser toes (D2 to D5), and midfoot. The impulse was calculated for each region and used to generate regional percent impulses and impulse ratios to assess anteroposterior and mediolateral balance within the foot. RESULTS:The impulse through the midfoot was highest in the youngest age group, with a corresponding lower impulse through the medial forefoot. As age advanced, the midfoot impulse decreased (p = 0.001), and the forefoot balance shifted slightly more medially (%Medial Forefoot: p = 0.004; Medial-Lateral Forefoot Balance: p = 0.019). When compared to adults, there were no significant differences between 15-17 year old children and adults in any of the regional percent impulses and impulse ratios. This indicates that skeletal maturity of the foot by late adolescence results in functional characteristics seen in adults. SIGNIFICANCE:The age-standardized norms of functional and regional impulse measures in children reported in this study can be used as a comparative benchmark in the clinical assessment of children presenting with various foot deformities.

journal_name

Gait Posture

journal_title

Gait & posture

authors

Dulai S,Ramadi A,Lewicke J,Watkins B,Prowse M,Vette AH

doi

10.1016/j.gaitpost.2020.12.018

subject

Has Abstract

pub_date

2020-12-25 00:00:00

pages

267-272

eissn

0966-6362

issn

1879-2219

pii

S0966-6362(20)30685-8

journal_volume

pub_type

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Functional characterization of plantar pressure patterns in gait of typically developing children using dynamic pedobarography.