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Biomechanical Analysis of the Knee Joint Load During a Unilateral Sit-to-Stand Movement

Steingrebe, Hannah; Stein, Thorsten; Bös, Klaus; Hoffmann, Marian

Background and Objectives:
Sit-to-Stand (STS) movements are fundamental activities of daily living. As STS movements can be physically demanding especially for the elderly, bi- and unilateral STS movements are frequently used in motor tests to measure lower limb strength. In contrast to bilateral STS movements, the knee joint loads occurring during unilateral STS movements as well as the influences of chair height or lower limb dominance are still unknown.

In a randomized study approach knee joint loads during unilateral STS movements from three different chair heights have been analyzed using biomechanical motion analysis in a population of 19 healthy middle-aged adults. Additionally, the influence of lower limb dominance and the level of perceived exertion have been investigated.

Lower limb dominance had no effect on knee joint load. In contrast, chair height significantly affected the peak shear forces in anterior (high: 3.94 ± 0.63 N/kg; low: 4.09 ± 0.61 N/kg) and lateral (high: 1.52 ± 0.79 N/kg; low: 1.78 ± 0.88 N/kg) direction as well as the peak knee adduction moment (high: 0.56 ± 0.29 Nm/kg; low: 0.65 ± 0.32 Nm/kg). ... mehr

Verlagsausgabe §
DOI: 10.5445/IR/1000089877
Veröffentlicht am 21.01.2019
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Sport und Sportwissenschaft (IfSS)
Publikationstyp Zeitschriftenaufsatz
Publikationsmonat/-jahr 12.2018
Sprache Englisch
Identifikator ISSN: 1875-399X
KITopen-ID: 1000089877
Erschienen in The open sports sciences journal
Verlag Bentham Open
Band 11
Heft 1
Seiten 78–87
Bemerkung zur Veröffentlichung Gefördert durch den KIT-Publikationsfonds
Schlagwörter Ergonomics, Chair height, Sports for the elderly, Fitness tests, Rising, STS, One-legged, Motor tests, Biomechanics, Knee load, Ergonomie, Stuhlhöhe, Alterssport, Fitnesstest, Aufstehen, Einbeinig, Motorische Tests, Biomechanik, Kniebelastung
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