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The acute effects of pre-fabricated insoles on running mechanics and perceived footwear comfort of endurance runners

Dissertation (MSc (Sports Science (Biomechanics)))--University of Pretoria, 2022.

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Other Authors: Bayne, Helen
Format: Thesis
Language:English
Published: University of Pretoria 2022
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access_status_str Open Access
author2 Bayne, Helen
author_browse Bayne, Helen
author_facet Bayne, Helen
collection Thesis
dc_rights_str_mv © 2022 University of Pretoria. All rights reserved. The copyright in this work vests in the University of Pretoria. No part of this work may be reproduced or transmitted in any form or by any means, without the prior written permission of the University of Pretoria.
description Dissertation (MSc (Sports Science (Biomechanics)))--University of Pretoria, 2022.
format Thesis
id oai:repository.up.ac.za:2263/83896
institution University of Pretoria (South Africa)
language English
last_indexed 2026-06-10T12:37:29.889Z
license_str Other — see source repository
provenance_str_mv Harvested via OAI-PMH from UPSpace — University of Pretoria Institutional Repository
publishDate 2022
publishDateRange 2022
publishDateSort 2022
publisher University of Pretoria
publisherStr University of Pretoria
record_format dspace
source_str UPSpace — University of Pretoria Institutional Repository
spelling oai:repository.up.ac.za:2263/83896 The acute effects of pre-fabricated insoles on running mechanics and perceived footwear comfort of endurance runners Bayne, Helen ernest.hobbs@gmail.com Schwellnus, Martin Peter Hobbs, Ernest Running mechanics Footwear comfort Biomechanics Tibial acceleration UCTD Dissertation (MSc (Sports Science (Biomechanics)))--University of Pretoria, 2022. Tibial acceleration is a prominent biomechanical consideration associated with common running-related injuries, such as tibial stress injuries. Cushioning insoles are proposed to be capable of reducing tibial acceleration, though there is conflicting evidence. Perceived comfort, primarily through enhanced cushioning, has shown some association with peak axial tibial acceleration, however the magnitude of this correlation has been found to be low. Changes in footwear cushioning have been associated with adjustments in running mechanics that may mask the effect of the cushioning material or potentially increase the risk of injury by altering the biomechanical variables associated with running-related injuries. The majority of research related to running mechanics has historically occurred in laboratory environments, thus compromising ecological validity. The purpose of this study was to investigate the effects of pre-fabricated insoles on running mechanics and footwear comfort in a field setting. Twenty-nine recreational runners (age: 31.8 ± 6.5 y) completed four separate laps of an athletics track while wearing running shoes containing either the ordinary sock liner (CON), or pre-fabricated insoles namely Sofsole Athlete (AT), Spenco Arch Cushioned (AC), and Spenco Walker Runner (WR) (Implus LLC, Durham, North Carolina, USA). Participants were fitted with seven inertial measurement units (IMUs) (Noraxon, Scottsdale, Arizona, USA). Each IMU included a tri-axial accelerometer, gyroscope, and magnetometer in order to capture segment and joint kinematics in all three planes of motion. Spatiotemporal data was collected using a 10 m length of an optical measurement system (OptoJump by Microgate, Bolzaho, Italy). Subsequent to each lap, the participant completed the Footwear Comfort Assessment Tool comprising of nine 100 mm visual analogue scales. Biomechanical and perceived comfort variables were compared in R using a linear mixed model with main effect for condition. Pairwise comparison between condition was conducted post-hoc with Tukey adjustments for the p-values. No significant differences for spatiotemporal parameters, tibial acceleration, shock attenuation, knee flexion, hip flexion, or shin inclination were observed. Foot pitch angle was significantly greater between WR versus AC, AT versus CON, and WR versus CON (p < 0.001), as was ankle dorsiflexion at touchdown between WR versus AC and WR versus CON (p < 0.001). Peak ankle dorsiflexion was significantly greater between WR versus AC and WR versus CON (p = 0.006), while ankle dorsiflexion ROM was significantly reduced between WR versus CON and AC versus CON (p = 0.007). Overall comfort was significantly greater for AT versus AC, AT versus WR, and AC versus CON (p = 0.002), and shoe length comfort was significantly less for WR versus CON (p = 0.33). The pre-fabricated insoles investigated in this study did not result in any significant acute changes to peak acceleration or shock attenuation, however significant and clinically relevant changes regarding ankle dorsiflexion, foot inclination, and overall footwear comfort did occur. Runners should be aware that enhanced cushioning of pre-fabricated insoles may be negated by adjustments to ankle dorsiflexion and foot strike pattern during touchdown. Runners may therefore be advised to select pre-fabricated insoles based on their perceived comfort. Physiology MSc (Sports Science (Biomechanics)) Unrestricted 2022-02-14T13:47:15Z 2022-02-14T13:47:15Z 2022-04 2022 Dissertation * A2022 http://hdl.handle.net/2263/83896 en © 2022 University of Pretoria. All rights reserved. The copyright in this work vests in the University of Pretoria. No part of this work may be reproduced or transmitted in any form or by any means, without the prior written permission of the University of Pretoria. application/pdf University of Pretoria
spellingShingle Running mechanics
Footwear comfort
Biomechanics
Tibial acceleration
UCTD
The acute effects of pre-fabricated insoles on running mechanics and perceived footwear comfort of endurance runners
title The acute effects of pre-fabricated insoles on running mechanics and perceived footwear comfort of endurance runners
title_full The acute effects of pre-fabricated insoles on running mechanics and perceived footwear comfort of endurance runners
title_fullStr The acute effects of pre-fabricated insoles on running mechanics and perceived footwear comfort of endurance runners
title_full_unstemmed The acute effects of pre-fabricated insoles on running mechanics and perceived footwear comfort of endurance runners
title_short The acute effects of pre-fabricated insoles on running mechanics and perceived footwear comfort of endurance runners
title_sort acute effects of pre fabricated insoles on running mechanics and perceived footwear comfort of endurance runners
topic Running mechanics
Footwear comfort
Biomechanics
Tibial acceleration
UCTD
url http://hdl.handle.net/2263/83896