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Cited by 60 publications
(19 citation statements)
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“…That is, the joints of the prostheses can either store or dissipate energy, but cannot provide net power over a gait cycle. The inability to deliver joint power significantly impairs the ability of these prostheses to restore many locomotive functions, including walking up stairs and up slopes, running, and jumping, all of which require significant net positive power at the knee joint, ankle joint or both (Winter and Sienko 1988;DeVita et al 1996;Jacobs et al 1996;Prilutsky et al 1996;Nagano et al 1998;Riener et al 1999;Nadeau et al 2003). Furthermore, although less obvious, even biomechanically normal walking requires positive power output at the knee joint and significant net positive power output at the ankle joint (Winter 1991).…”
Section: Motivationmentioning
confidence: 99%
“…That is, the joints of the prostheses can either store or dissipate energy, but cannot provide net power over a gait cycle. The inability to deliver joint power significantly impairs the ability of these prostheses to restore many locomotive functions, including walking up stairs and up slopes, running, and jumping, all of which require significant net positive power at the knee joint, ankle joint or both (Winter and Sienko 1988;DeVita et al 1996;Jacobs et al 1996;Prilutsky et al 1996;Nagano et al 1998;Riener et al 1999;Nadeau et al 2003). Furthermore, although less obvious, even biomechanically normal walking requires positive power output at the knee joint and significant net positive power output at the ankle joint (Winter 1991).…”
Section: Motivationmentioning
confidence: 99%
“…The majority of those studies have concentrated on the analysis of functional knee braces with use of arthrometers 2,3,5-8, [10][11][12][13][14][15] . Other studies have concentrated on the analysis of femorotibial translation through the use of roentgen stereophotogrammetric analysis techniques 4,9,16,17 , subjective evaluation of bracing by categorizing pain and functional ability [18][19][20][21][22] , and the determination of the effectiveness of different types of knee braces, such as cast bracing [23][24][25][26] . Although minimal research evaluating the efficiency of off-loading braces for the treatment of unicompartmental arthritic degeneration has been performed, a previous study with an initial fluoroscopic analysis determined that bracing is an effective treatment for osteoarthritis of the knee in nonobese patients under weight-bearing conditions 27 .…”
Section: Introductionmentioning
confidence: 99%
“…One of the early references in human ballistic walking is [9], where the proposed dynamical model assumes the quasi-absence of muscular moments during the swing phase. The further effect of non-free orthoses at the knee on the walk is studied in [1,2,3]. However, the literature on that point does not seem very extensive.…”
Section: A Brief Tour Of the Literaturementioning
confidence: 99%