The effect of visual focus on spatio-temporal and kinematic parameters of treadmill running

Journal article


Lucas-Cuevas, Ángel G., Priego Quesada, Jose I, Gooding, Josh, Lewis, Martin, Encarnación-Martínez, Alberto and Perez-Soriano, Pedro 2017. The effect of visual focus on spatio-temporal and kinematic parameters of treadmill running. Gait & Posture. 59, pp. 292-297. https://doi.org/10.1016/j.gaitpost.2017.07.039
AuthorsLucas-Cuevas, Ángel G., Priego Quesada, Jose I, Gooding, Josh, Lewis, Martin, Encarnación-Martínez, Alberto and Perez-Soriano, Pedro
Abstract

The characteristics of a treadmill and the environment where it is based could influence the user’s gaze and have an effect on their running kinematics and lower limb impacts. The aim of this study was to identify the effect of visual focus on spatio-temporal parameters and lower limb kinematics during treadmill running. Twenty six experienced runners ran at 3.33 m s−1 on a treadmill under two visual conditions, either looking ahead at a wall or looking down at the treadmill visual display. Spatio-temporal parameters, impact accelerations of the head and tibia, and knee and ankle kinematics were measured for the final 15 s of a 90 s bout of running under each condition. At the end of the test, participants reported their preference for the visual conditions assessed. Participants’ stride angle, flight time, knee flexion during the flight phase, and ankle eversion during contact time were increased when runners directed visual focus toward the wall compared to the treadmill display (p < 0.05). Whilst head acceleration was also increased in the wall condition (p < 0.05), the other acceleration parameters were unaffected (p > 0.05). However, the effect size of all biomechanical alterations was small. The Treadmill condition was the preferred condition by the participants (p < 0.001; ESw = 1.0). The results of the current study indicate that runners had a greater mass centre vertical displacement when they ran looking ahead, probably with the aim of compensating for reduced visual feedback, which resulted in larger head accelerations. Greater knee flexion during the flight phase and ankle eversion during the contact time were suggested as compensatory mechanisms for lower limb impacts.

KeywordsBiophysics; Rehabilitation; Orthopedics and Sports Medicine; Biomechanics; Gait
Year2017
JournalGait & Posture
Journal citation59, pp. 292-297
PublisherElsevier
ISSN0966-6362
Digital Object Identifier (DOI)https://doi.org/10.1016/j.gaitpost.2017.07.039
Web address (URL)http://hdl.handle.net/10545/624288
hdl:10545/624288
Publication dates15 Jul 2017
Publication process dates
Deposited04 Nov 2019, 09:33
Accepted11 Jul 2017
ContributorsNottingham Trent University
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https://repository.derby.ac.uk/item/94v25/the-effect-of-visual-focus-on-spatio-temporal-and-kinematic-parameters-of-treadmill-running

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