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Associations between Vibratory Perce...

Guadagno, Emily Kathryn.

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Associations between Vibratory Perception Threshold, Quadriceps/Hamstrings Co-activation Ratio, and Changes in Femoral Articular Cartilage.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Associations between Vibratory Perception Threshold, Quadriceps/Hamstrings Co-activation Ratio, and Changes in Femoral Articular Cartilage./
Author:	Guadagno, Emily Kathryn.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2018,
Description:	60 p.
Notes:	Source: Masters Abstracts International, Volume: 58-01.
Contained By:	Masters Abstracts International58-01(E).
Subject:	Physical therapy. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10824308
ISBN:	9780438348226

Associations between Vibratory Perception Threshold, Quadriceps/Hamstrings Co-activation Ratio, and Changes in Femoral Articular Cartilage.
Guadagno, Emily Kathryn.

Associations between Vibratory Perception Threshold, Quadriceps/Hamstrings Co-activation Ratio, and Changes in Femoral Articular Cartilage. - Ann Arbor : ProQuest Dissertations & Theses, 2018 - 60 p.

Source: Masters Abstracts International, Volume: 58-01.

Thesis (M.A.)--The University of North Carolina at Chapel Hill, 2018.

Introduction: The hallmark sign of knee osteoarthritis (OA) is cartilage damage. Patients with knee OA present impulse loading, co-activation of knee musculature, and somatosensory deficits have been. These characteristics could be precursors rather than disease outcomes. Purpose: to evaluate associations between vibratory sensation (VPT), quadriceps and hamstring co-activation, and percent change of cartilage cross-sectional area (CSA) in healthy population. Methods: VPT was measured, participants performed walking trial where co-activation was measured, and pre/post ultrasound cartilage images were collected. Pearson product (r) determined associations between VPT, co-activaiton indices, and change in CSA. Results: 31 participants (age=22(2.5)years, height=1.71(0.15)m weight=74.9(11.8)kg) completed this study. Significant associations between medial and composite co-activation index and change in CSA (r=0.031, p=0.009), between lateral malleolus VPT and co-activation indices laterally during PRE-phase of gait, and composite during LA (r=-0.443,p=0.014 and r=0.415, p=0.023) were found. Discussion: Greater co-activation during gait may be associated with changes in knee cartilage.

ISBN: 9780438348226Subjects--Topical Terms:

588713
Physical therapy.

Associations between Vibratory Perception Threshold, Quadriceps/Hamstrings Co-activation Ratio, and Changes in Femoral Articular Cartilage.
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100 1 $a Guadagno, Emily Kathryn. $3 3429678
245 1 0 $a Associations between Vibratory Perception Threshold, Quadriceps/Hamstrings Co-activation Ratio, and Changes in Femoral Articular Cartilage.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2018
300 $a 60 p.
500 $a Source: Masters Abstracts International, Volume: 58-01.
500 $a Adviser: J. Troy Blackburn.
502 $a Thesis (M.A.)--The University of North Carolina at Chapel Hill, 2018.
520 $a Introduction: The hallmark sign of knee osteoarthritis (OA) is cartilage damage. Patients with knee OA present impulse loading, co-activation of knee musculature, and somatosensory deficits have been. These characteristics could be precursors rather than disease outcomes. Purpose: to evaluate associations between vibratory sensation (VPT), quadriceps and hamstring co-activation, and percent change of cartilage cross-sectional area (CSA) in healthy population. Methods: VPT was measured, participants performed walking trial where co-activation was measured, and pre/post ultrasound cartilage images were collected. Pearson product (r) determined associations between VPT, co-activaiton indices, and change in CSA. Results: 31 participants (age=22(2.5)years, height=1.71(0.15)m weight=74.9(11.8)kg) completed this study. Significant associations between medial and composite co-activation index and change in CSA (r=0.031, p=0.009), between lateral malleolus VPT and co-activation indices laterally during PRE-phase of gait, and composite during LA (r=-0.443,p=0.014 and r=0.415, p=0.023) were found. Discussion: Greater co-activation during gait may be associated with changes in knee cartilage.
590 $a School code: 0153.
650 4 $a Physical therapy. $3 588713
650 4 $a Physical education. $3 635343
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710 2 $a The University of North Carolina at Chapel Hill. $b Exercise and Sport Science. $3 1043309
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793 $a English
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