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Mechanical demand during lateral mov...

Boni, Heather Jean.

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Mechanical demand during lateral movement depends on orientation of the body segments relative to the reaction force.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Mechanical demand during lateral movement depends on orientation of the body segments relative to the reaction force./
Author:	Boni, Heather Jean.
Description:	32 p.
Notes:	Source: Masters Abstracts International, Volume: 44-03, page: 1427.
Contained By:	Masters Abstracts International44-03.
Subject:	Engineering, Biomedical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1430380
ISBN:	0542432986

Mechanical demand during lateral movement depends on orientation of the body segments relative to the reaction force.
Boni, Heather Jean.

Mechanical demand during lateral movement depends on orientation of the body segments relative to the reaction force. - 32 p.

Source: Masters Abstracts International, Volume: 44-03, page: 1427.

Thesis (M.S.)--University of Southern California, 2005.

The purpose of this study was to determine how lower extremity segment orientation prior to touchdown influences mechanical loading of the reaction force during the last two steps of a lateral movement. Female collegiate volleyball players (n=6) performed their preferred blocking footwork. Kinematics (200 frames/second), reaction forces (1200 Hz) and muscle activation patterns (surface EMG, 1200 Hz) of sixteen muscles of the trunk and right leg were collected simultaneously. Between-subject differences in segment orientation relative to the reaction force contributed to significant between-subject differences in knee and hip net joint moments (NJM) during the single leg impact phase. Between subject differences in muscle activation patterns prior to contact indicate that the athletes scaled their muscle activation prior to contact to accommodate for differences in segment orientations. Different segment orientations and total body center of mass (TBCM) trajectories across subjects altered the ground reaction force curves.

ISBN: 0542432986Subjects--Topical Terms:

1017684
Engineering, Biomedical.

Mechanical demand during lateral movement depends on orientation of the body segments relative to the reaction force.
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035 $a (UnM)AAI1430380
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100 1 $a Boni, Heather Jean. $3 1906476
245 1 0 $a Mechanical demand during lateral movement depends on orientation of the body segments relative to the reaction force.
300 $a 32 p.
500 $a Source: Masters Abstracts International, Volume: 44-03, page: 1427.
500 $a Adviser: Jill McNitt-Gray.
502 $a Thesis (M.S.)--University of Southern California, 2005.
520 $a The purpose of this study was to determine how lower extremity segment orientation prior to touchdown influences mechanical loading of the reaction force during the last two steps of a lateral movement. Female collegiate volleyball players (n=6) performed their preferred blocking footwork. Kinematics (200 frames/second), reaction forces (1200 Hz) and muscle activation patterns (surface EMG, 1200 Hz) of sixteen muscles of the trunk and right leg were collected simultaneously. Between-subject differences in segment orientation relative to the reaction force contributed to significant between-subject differences in knee and hip net joint moments (NJM) during the single leg impact phase. Between subject differences in muscle activation patterns prior to contact indicate that the athletes scaled their muscle activation prior to contact to accommodate for differences in segment orientations. Different segment orientations and total body center of mass (TBCM) trajectories across subjects altered the ground reaction force curves.
590 $a School code: 0208.
650 4 $a Engineering, Biomedical. $3 1017684
650 4 $a Biology, Animal Physiology. $3 1017835
690 $a 0541
690 $a 0433
710 2 0 $a University of Southern California. $3 700129
773 0 $t Masters Abstracts International $g 44-03.
790 1 0 $a McNitt-Gray, Jill, $e advisor
790 $a 0208
791 $a M.S.
792 $a 2005
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1430380