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Wrist extension counter-moment force...

Campbell, Brian Jude.

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Wrist extension counter-moment force effects on muscle activity of the ECR with gripping: Implications for lateral epicondylagia.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Wrist extension counter-moment force effects on muscle activity of the ECR with gripping: Implications for lateral epicondylagia./
Author:	Campbell, Brian Jude.
Description:	118 p.
Notes:	Adviser: Wendi H. Weimar.
Contained By:	Dissertation Abstracts International67-06B.
Subject:	Biology, Physiology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3225254
ISBN:	9780542765001

Wrist extension counter-moment force effects on muscle activity of the ECR with gripping: Implications for lateral epicondylagia.
Campbell, Brian Jude.

Wrist extension counter-moment force effects on muscle activity of the ECR with gripping: Implications for lateral epicondylagia. - 118 p.

Adviser: Wendi H. Weimar.

Thesis (Ph.D.)--Auburn University, 2006.

These findings provide the basis for future investigations into the role of wrist extension counter-moment forces and how the application of these may alleviate symptoms of lateral epicondylagia. (Abstract shortened by UMI.)

ISBN: 9780542765001Subjects--Topical Terms:

1017816
Biology, Physiology.

Wrist extension counter-moment force effects on muscle activity of the ECR with gripping: Implications for lateral epicondylagia.
LDR:03670nam 2200325 a 45 001 969159
005 20110920
008 110921s2006 eng d
020 $a 9780542765001
035 $a (UMI)AAI3225254
035 $a AAI3225254
040 $a UMI $c UMI
100 1 $a Campbell, Brian Jude. $3 1293214
245 1 0 $a Wrist extension counter-moment force effects on muscle activity of the ECR with gripping: Implications for lateral epicondylagia.
300 $a 118 p.
500 $a Adviser: Wendi H. Weimar.
500 $a Source: Dissertation Abstracts International, Volume: 67-06, Section: B, page: 3093.
502 $a Thesis (Ph.D.)--Auburn University, 2006.
520 $a These findings provide the basis for future investigations into the role of wrist extension counter-moment forces and how the application of these may alleviate symptoms of lateral epicondylagia. (Abstract shortened by UMI.)
520 $a The purpose of this research is to determine if the presence of an external counter-moment force will decrease the activity of the extensor carpi radialis (ECR) during various gripping activities in asymptomatic and symptomatic persons. As the ECR is the primary muscle associated with tennis elbow (TE), any significant decrease noted in the EMG activity of the ECR could lead to promising advances in the etiology of TE. Understanding the effects of an external counter-moment force on the muscle activity associated with TE, would lead to advances in rehabilitation, symptom relief braces, and eventually lead to a better understanding of how this pathology originates and persists.
520 $a Participants in the max counter-moment force section maximally gripped while also pushing against a static counter-moment force device at various levels of maximal wrist extension counter-moment force intensity (0%, 25%, 50%, 75%, 100%). Participants in the task counter-moment force section gripped three items (hammer, tennis racket, and gallon of tea). The grip force was measured and then matched in the subsequent trial where an external wrist extension counter-moment force was applied. Participants in the symptomatic section maximally gripped a handle then rated their perceived discomfort. After a rest, they again maximally gripped a handle which had a wrist extension counter-moment force then rated their perceived discomfort. Counter-moment forces were measured using the AMTI(TM) OR6-7-1000 Biomechanics Sport Platform RTM. Muscle activity was measured using the NoraxonRTM Myosystem 1200TM electromyography system. The counter-moment force which was supplied during the task and symptomatic vi counter-moment force sections was supplied by the MarcyRTM Wedge(TM). Grip magnitude was measured using the Economical Load & Force System (ELF RTM) by Flexiforce(TM). Repeated measures ANOVAs were used for each research section.
520 $a Results indicate in the maximum counter-moment force study that any counter-moment force intensity (25%, 50%, 75%, 100%) while maximally gripping significantly lowers muscle activity of the ECR muscle compared to maximal gripping alone. There is no significant difference however between counter-moment force trials (25%, 50%, 75%, 100%). Results also indicate that the presence of a wrist extension counter-moment force decreases muscle activity of the ECR muscle when gripping a hammer, tennis racket, and gallon of tea.
590 $a School code: 0012.
650 4 $a Biology, Physiology. $3 1017816
650 4 $a Health Sciences, Recreation. $3 1018003
650 4 $a Health Sciences, Rehabilitation and Therapy. $3 1017926
690 $a 0382
690 $a 0575
690 $a 0719
710 2 0 $a Auburn University. $3 1020457
773 0 $t Dissertation Abstracts International $g 67-06B.
790 $a 0012
790 1 0 $a Weimar, Wendi H., $e advisor
791 $a Ph.D.
792 $a 2006
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3225254