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Biomechanical Assessment of the Lower Extremity Following an Unexpected Ankle Perturbation.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Biomechanical Assessment of the Lower Extremity Following an Unexpected Ankle Perturbation./
Author:	Schempp, Emilia Gladys.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2021,
Description:	309 p.
Notes:	Source: Masters Abstracts International, Volume: 83-02.
Contained By:	Masters Abstracts International83-02.
Subject:	Biomechanics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28410618
ISBN:	9798522907167

Biomechanical Assessment of the Lower Extremity Following an Unexpected Ankle Perturbation.
Schempp, Emilia Gladys.

Biomechanical Assessment of the Lower Extremity Following an Unexpected Ankle Perturbation. - Ann Arbor : ProQuest Dissertations & Theses, 2021 - 309 p.

Source: Masters Abstracts International, Volume: 83-02.

Thesis (M.S.)--Illinois State University, 2021.

This item must not be sold to any third party vendors.

A deeper understanding of the response to an unexpected ankle perturbation could help provide insight into ankle sprain injury avoidance strategies. This study compared lower extremity electromyographic and kinematic measures between unexpected ankle perturbation and normal walking conditions, including muscle amplitudes and reaction times, dominant limb joint angles and velocities. Trial conditions included a walking control condition, unexpected 30° inversion, and unexpected 18° combined inversion and plantarflexion. With randomized trials, 20 healthy volunteers walked along the custom-built walkway that unexpectedly released into the described ankle perturbations. Significant differences were found for peak and average EMG of the peroneus longus and rectus femoris, time to peak EMG and reaction time of the ipsilateral and contralateral gluteus medius, peak joint angles, peak joint velocities, and time to peak joint angles. The differences found provide evidence that points towards a systemic response with involvement at each joint of the lower extremity and muscles within the kinetic chain.

ISBN: 9798522907167Subjects--Topical Terms:

548685
Biomechanics.
Subjects--Index Terms:

ankle

Biomechanical Assessment of the Lower Extremity Following an Unexpected Ankle Perturbation.
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245 1 0 $a Biomechanical Assessment of the Lower Extremity Following an Unexpected Ankle Perturbation.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2021
300 $a 309 p.
500 $a Source: Masters Abstracts International, Volume: 83-02.
500 $a Advisor: Jagodinsky, Adam.
502 $a Thesis (M.S.)--Illinois State University, 2021.
506 $a This item must not be sold to any third party vendors.
520 $a A deeper understanding of the response to an unexpected ankle perturbation could help provide insight into ankle sprain injury avoidance strategies. This study compared lower extremity electromyographic and kinematic measures between unexpected ankle perturbation and normal walking conditions, including muscle amplitudes and reaction times, dominant limb joint angles and velocities. Trial conditions included a walking control condition, unexpected 30° inversion, and unexpected 18° combined inversion and plantarflexion. With randomized trials, 20 healthy volunteers walked along the custom-built walkway that unexpectedly released into the described ankle perturbations. Significant differences were found for peak and average EMG of the peroneus longus and rectus femoris, time to peak EMG and reaction time of the ipsilateral and contralateral gluteus medius, peak joint angles, peak joint velocities, and time to peak joint angles. The differences found provide evidence that points towards a systemic response with involvement at each joint of the lower extremity and muscles within the kinetic chain.
590 $a School code: 0092.
650 4 $a Biomechanics. $3 548685
650 4 $a Health sciences. $3 3168359
650 4 $a Physiology. $3 518431
650 4 $a Ankle. $3 3563106
650 4 $a Gait. $3 1362772
650 4 $a Standard deviation. $3 3560390
650 4 $a Investigations. $3 3561159
650 4 $a Trends. $3 3560051
650 4 $a Injuries. $3 3563044
650 4 $a Variables. $3 3548259
650 4 $a Data collection. $3 3561708
650 4 $a Electromyography. $3 592898
650 4 $a Muscle function. $3 3562993
650 4 $a Walking. $3 548733
650 4 $a Walkways. $3 3686538
653 $a ankle
653 $a Electromyography
653 $a Kinematics
653 $a Sprains
690 $a 0648
690 $a 0566
690 $a 0719
710 2 $a Illinois State University. $b School of Kinesiology and Recreation. $3 3287391
773 0 $t Masters Abstracts International $g 83-02.
790 $a 0092
791 $a M.S.
792 $a 2021
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28410618