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A biomechanical analysis of seating ...

Pedersen, Justin Michael.

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A biomechanical analysis of seating stresses based upon wheelchair propulsion.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	A biomechanical analysis of seating stresses based upon wheelchair propulsion./
作者:	Pedersen, Justin Michael.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2013,
面頁冊數:	96 p.
附註:	Source: Masters Abstracts International, Volume: 51-06.
Contained By:	Masters Abstracts International51-06(E).
標題:	Mechanical engineering. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1537406
ISBN:	9781303083426

A biomechanical analysis of seating stresses based upon wheelchair propulsion.
Pedersen, Justin Michael.

A biomechanical analysis of seating stresses based upon wheelchair propulsion. - Ann Arbor : ProQuest Dissertations & Theses, 2013 - 96 p.

Source: Masters Abstracts International, Volume: 51-06.

Thesis (M.S.)--The University of Utah, 2013.

This thesis aims to measure the difference in seated normal and shear stresses based upon different types of wheelchair propulsion types. Previous studies have measured biomechanical influence of wheelchair propulsion at the upper extremities. This study intends to measure the biomechanical differences at the seating surface where wheelchair users are vulnerable to deep tissue and skin breakdowns. Pressure ulcers have been studied to form based upon a number of factors, specifically: too much pressure, friction, shear, and heat/moisture buildup. However, very little research has been performed measuring seating stresses in vivo based upon wheelchair propulsion.

ISBN: 9781303083426Subjects--Topical Terms:

649730
Mechanical engineering.

A biomechanical analysis of seating stresses based upon wheelchair propulsion.
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245 1 2 $a A biomechanical analysis of seating stresses based upon wheelchair propulsion.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2013
300 $a 96 p.
500 $a Source: Masters Abstracts International, Volume: 51-06.
500 $a Advisers: Donald Bloswick; Andrew Merryweather.
502 $a Thesis (M.S.)--The University of Utah, 2013.
520 $a This thesis aims to measure the difference in seated normal and shear stresses based upon different types of wheelchair propulsion types. Previous studies have measured biomechanical influence of wheelchair propulsion at the upper extremities. This study intends to measure the biomechanical differences at the seating surface where wheelchair users are vulnerable to deep tissue and skin breakdowns. Pressure ulcers have been studied to form based upon a number of factors, specifically: too much pressure, friction, shear, and heat/moisture buildup. However, very little research has been performed measuring seating stresses in vivo based upon wheelchair propulsion.
520 $a Multiple metrics were used to measure the normal and shear stresses in 10 ambulatory subjects (5 male and 5 female). To measure normal pressure, pressure mapping was used. To measure the shear stresses, a Molten Predia was used to measure shear. Two dramatically different wheelchair cushions were used: an air adjustable cushion and an HR-42 Foam block of similar size. Two different types of manual wheelchair propulsion were used: the traditional hand-rim wheelchair and the developmental lever-arm wheelchair.
520 $a It was hypothesized that the combination of the lever-arm wheelchair and the properly adjusted air cushion would significantly reduce the normal pressure and shear stresses associated with chair propulsion. The data showed a significant difference for the normal pressure for 9 of the 10 subjects in favor of the air cushion over the foam cushion. However, the shear data did not show a significant difference for a reduction of shear for any configuration of testing.
590 $a School code: 0240.
650 4 $a Mechanical engineering. $3 649730
650 4 $a Biomechanics. $3 548685
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710 2 $a The University of Utah. $b Mechanical Engineering. $3 1675126
773 0 $t Masters Abstracts International $g 51-06(E).
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793 $a English
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