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Changes in center of pressure and fo...

Grant, Constance.

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Changes in center of pressure and foot clearance while walking down stairs, under lowered luminance level.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Changes in center of pressure and foot clearance while walking down stairs, under lowered luminance level./
Author:	Grant, Constance.
Description:	63 p.
Notes:	Source: Masters Abstracts International, Volume: 45-05, page: 2474.
Contained By:	Masters Abstracts International45-05.
Subject:	Health Sciences, Recreation. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1442201

Changes in center of pressure and foot clearance while walking down stairs, under lowered luminance level.
Grant, Constance.

Changes in center of pressure and foot clearance while walking down stairs, under lowered luminance level. - 63 p.

Source: Masters Abstracts International, Volume: 45-05, page: 2474.

Thesis (M.S.)--California State University, Fullerton, 2007.

Postural instability measures have been extensively studied to understand the prevalence and cause of trips and falls in the elderly. While not as prevalent, middle-aged adults also have shown an increase in trips and falls, specifically down stairs. Measuring lateral deviation of plantar pressure and foot clearance in middle-aged adults, in conditions encountered in daily life, could provide insight into this phenomenon. The purpose of this study was to compare plantar pressure deviation and foot clearance in healthy middle-aged men and women during stair descent under two lighting conditions, normal and low level light.Subjects--Topical Terms:

1018003
Health Sciences, Recreation.

Changes in center of pressure and foot clearance while walking down stairs, under lowered luminance level.
LDR:02563nmm 2200289 4500 001 1833209
005 20070926081808.5
008 130610s2007 eng d
035 $a (UMI)AAI1442201
035 $a AAI1442201
040 $a UMI $c UMI
100 1 $a Grant, Constance. $3 1921918
245 1 0 $a Changes in center of pressure and foot clearance while walking down stairs, under lowered luminance level.
300 $a 63 p.
500 $a Source: Masters Abstracts International, Volume: 45-05, page: 2474.
500 $a Adviser: Karen Perell.
502 $a Thesis (M.S.)--California State University, Fullerton, 2007.
520 $a Postural instability measures have been extensively studied to understand the prevalence and cause of trips and falls in the elderly. While not as prevalent, middle-aged adults also have shown an increase in trips and falls, specifically down stairs. Measuring lateral deviation of plantar pressure and foot clearance in middle-aged adults, in conditions encountered in daily life, could provide insight into this phenomenon. The purpose of this study was to compare plantar pressure deviation and foot clearance in healthy middle-aged men and women during stair descent under two lighting conditions, normal and low level light.
520 $a Using 27 subjects, plantar pressure and foot clearance were measured on four steps under normal and low light. Subjects, randomized into two groups in a reversal design of the lighting conditions, showed significant increases in lateral deviation on right steps 1and 2 under low light, within each group. Group 2 had a significantly higher variability on step 1 than group 1. Foot clearance remained statistically similar irrespective of lighting condition, and group 1 foot clearance under low light was significantly higher than normal.
520 $a In middle-age adults, this study found a trend towards increased lateral plantar pressure deviation while walking down stairs under low light. Along with the lack of increased foot clearance, this indicates a possible degradation of compensatory postural stability changes in the middle-aged adult. Further studies using more steps, darker conditions and analyzing joint angles and moments could provide greater insight into declines in postural stability factors in the middle-aged adult.
590 $a School code: 6060.
650 4 $a Health Sciences, Recreation. $3 1018003
650 4 $a Biology, Physiology. $3 1017816
690 $a 0575
690 $a 0719
710 2 0 $a California State University, Fullerton. $3 1017845
773 0 $t Masters Abstracts International $g 45-05.
790 1 0 $a Perell, Karen, $e advisor
790 $a 6060
791 $a M.S.
792 $a 2007
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1442201