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Medial collateral ligament stiffness...

Aronson, Patricia A.

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Medial collateral ligament stiffness in males and females.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Medial collateral ligament stiffness in males and females./
Author:	Aronson, Patricia A.
Description:	183 p.
Notes:	Source: Dissertation Abstracts International, Volume: 66-05, Section: B, page: 2548.
Contained By:	Dissertation Abstracts International66-05B.
Subject:	Health Sciences, Recreation. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3177522
ISBN:	0542170639

Medial collateral ligament stiffness in males and females.
Aronson, Patricia A.

Medial collateral ligament stiffness in males and females. - 183 p.

Source: Dissertation Abstracts International, Volume: 66-05, Section: B, page: 2548.

Thesis (Ph.D.)--University of Virginia, 2005.

I. Context. At this time there is no known reliability study published for intertester or intratester reliability of measuring MCL stiffness using the LigMaster multi joint arthrometer. Objective. The purpose of this study was to establish intertester and intratester reliability of measuring stiffness of the medial knee at 0° and the MCL at 20° of knee flexion. Conclusions. ICCs were lower and SEMs were higher than expected in the intertester and intratester reliability studies but were reasonable for new users of this arthrometer. Subject homogeneity and tester error most likely contributed to the modest results.

ISBN: 0542170639Subjects--Topical Terms:

1018003
Health Sciences, Recreation.

Medial collateral ligament stiffness in males and females.
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020 $a 0542170639
035 $a (UnM)AAI3177522
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040 $a UnM $c UnM
100 1 $a Aronson, Patricia A. $3 1906412
245 1 0 $a Medial collateral ligament stiffness in males and females.
300 $a 183 p.
500 $a Source: Dissertation Abstracts International, Volume: 66-05, Section: B, page: 2548.
500 $a Adviser: Christopher D. Ingersoll.
502 $a Thesis (Ph.D.)--University of Virginia, 2005.
520 $a I. Context. At this time there is no known reliability study published for intertester or intratester reliability of measuring MCL stiffness using the LigMaster multi joint arthrometer. Objective. The purpose of this study was to establish intertester and intratester reliability of measuring stiffness of the medial knee at 0° and the MCL at 20° of knee flexion. Conclusions. ICCs were lower and SEMs were higher than expected in the intertester and intratester reliability studies but were reasonable for new users of this arthrometer. Subject homogeneity and tester error most likely contributed to the modest results.
520 $a II. Context. Experts of the valgus stress test (VST) disagree on the positioning of the knee when valgus stresses are applied. Most agree that it should be done both in full extension and in flexion, but the amount of flexion is not consistent among resources. If a specific amount of flexion could be agreed upon to optimally isolate the MCL, it would make teaching and using the technique more consistent in clinical application. Objective. The purpose of this study was to determine at which angle of knee flexion there is a difference in the slope of the force-strain curve when measuring the medial knee structures between 0° and 20° flexion while adding a valgus stress to the lateral knee. Conclusions. When performing the manual valgus stress test or using the LigMaster arthrometer to assess a medial knee sprain, the knee should be tested in 0°--10° of flexion to assess the medial knee structures and again at 15°--20° of knee flexion to further assess the MCL.
520 $a III. Context. Ligament stiffness is a material property of collagen tissue. Measuring ligament stiffness in males and females at three different ages may determine if ligament stiffness changes across the lifespan. Such analyses may also shed light on the issue of whether structural differences, versus acute hormonal differences, in the genders exist that may contribute to knee joint laxity. Objective. The purpose of this study was to compare the stiffness of the medial knee and the MCL at different distinct ages and between the genders in those age groups. Conclusions. Knee stiffness is lower in pre-pubescent children than in adults, but there is no difference in adults 18--40 and 50--75 years old. There is no difference in knee stiffness in pre-pubescent males and females. After puberty knee stiffness is greater for males than females when testing the medial knee in full extension and when the MCL is more isolated when flexing the knee. Compared to men of the same age, post-menopausal women have the same medial knee stiffness but have lower slope values when measuring MCL stiffness. (Abstract shortened by UMI.)
590 $a School code: 0246.
650 4 $a Health Sciences, Recreation. $3 1018003
650 4 $a Biology, Animal Physiology. $3 1017835
690 $a 0575
690 $a 0433
710 2 0 $a University of Virginia. $3 645578
773 0 $t Dissertation Abstracts International $g 66-05B.
790 1 0 $a Ingersoll, Christopher D., $e advisor
790 $a 0246
791 $a Ph.D.
792 $a 2005
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3177522