Effects of experimental leg length discrepancies on body posture and dental occlusion

Cranio : the Journal of Craniomandibular Practice
Nozomi MaedaAtsuro Yokoyama

Abstract

The purpose of this study was to quantitatively evaluate the effects of experimental leg length discrepancies on body posture and dental occlusion. Thirty asymptomatic subjects (15 males and 15 females, ages 19-33, mean age 25.6 years) were included in this study and randomly assigned to one of two groups based on a table of random numbers. The only difference between group A and group B was the sequence of testing. Experimental leg length discrepancies were provided by using ten types of insoles with heights ranging from one to ten mm at one mm intervals, placed under both feet. The MatScan (Nitta Corp., Osaka, Japan) system was used to measure changes in body posture (center of foot pressure: COP) while subjects maintained the following three postural positions: 1. natural standing posture (control); 2. control with a heel lift under the right foot; or 3. control with a heel lift under the left foot. The T-Scan II system (Nitta Corp., Osaka, Japan) was used to analyze the results of changes in dental occlusion (center of occlusal force: COF) in the above-mentioned three postural positions. When subjects used a heel lift of six mm or more under the right foot, lateral weight distribution (LWD) shifted to the right side compare...Continue Reading

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Citations

Feb 25, 2015·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·Ida MariniAmbra Michelotti
Oct 21, 2016·Cranio : the Journal of Craniomandibular Practice·Curtis D WestersundRaymond J Turner
Feb 9, 2019·Cranio : the Journal of Craniomandibular Practice·Laura HeilDaniela Ohlendorf
Sep 28, 2017·Journal of Back and Musculoskeletal Rehabilitation·Patrik KutilekZdenek Vana
Jul 10, 2018·Journal of Healthcare Engineering·Nurul Azira AzizanWan Mohd Radzi Rusli
Aug 18, 2018·Applied Bionics and Biomechanics·Nurul Azira AzizanAhmad Faizal Salleh
Jun 2, 2021·Cranio : the Journal of Craniomandibular Practice·Aurora Fernández MolinaMontserrat Diéguez-Pérez

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