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Cited by 254 publications
(182 citation statements)
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References 18 publications
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“…Muscle activations can be prescribed in an educated manner by directly incor porating EMG data into an EMG-driven forward dynam ics model, as pioneered by Hof and van den Berg (1981). The approach was also used to investigate elbow motion (Koo and Mak, 2005) and knee movements during the swing phase of walking (Piazza and Delp, 1996) and a step-up task (Piazza and Delp, 2001). The analysis is com monly performed by prescribing the trajectory of some joint angles, e.g.…”
Section: Alternative Strategiesmentioning
confidence: 99%
“…Muscle activations can be prescribed in an educated manner by directly incor porating EMG data into an EMG-driven forward dynam ics model, as pioneered by Hof and van den Berg (1981). The approach was also used to investigate elbow motion (Koo and Mak, 2005) and knee movements during the swing phase of walking (Piazza and Delp, 1996) and a step-up task (Piazza and Delp, 2001). The analysis is com monly performed by prescribing the trajectory of some joint angles, e.g.…”
Section: Alternative Strategiesmentioning
confidence: 99%
“…This coupling is evidenced by excessive hip circumduction and a reduction in knee flexion during swing (Kerrigan et al 1991(Kerrigan et al , 2000. Biomechanical simulations investigating potential muscular contributions to this impaired knee flexion have revealed that it may be attributed to abnormal activation of the quadriceps (Piazza and Delp 1996;Riley and Kerrigan 1998;Goldberg et al 2004). Indeed, analysis of muscle activity during hemiparetic gait has revealed that abnormal activation of the quadriceps prior to and during the swing phase appears to be consistent across subjects (Yelnik et al 1999;Den Otter et al 2006).…”
Section: Introductionmentioning
confidence: 99%
“…Data from sources of cadaver measurements were used to provide the set of default body segment parameters used in the model (Delp, 1990;Larivire and Gagnon, 1999;Piazza and Delp, 1996). Hyperextension ligaments at the hip and knee joints were modelled using equations from Piazza and Delp ((Piazza and Delp, 1996)). …”
Section: The Modelmentioning
confidence: 99%
“…Full details of this muscle model can be found in publications of Zajac and Delp (Delp, 1990;Delp and Zajac, 1992;Piazza and Delp, 1996;Zajac, 1989;Zajac and Stevenson, 1986).…”
Section: The Modelmentioning
confidence: 99%