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General methodology for estimating GRF&M from motion data based on the ...
Published Online: November 22, 2023
Fig. 1 General methodology for estimating GRF&M from motion data based on the optimization approach. The different stages of the method are boxed. The quantities estimated during the method are shown. The input quantities (models and experimental data) are shown in black. More about this image found in General methodology for estimating GRF&M from motion data based on the ...
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Accuracy of the GRF&M estimate during sidestep cuts (top), runs (middle...
Published Online: November 22, 2023
Fig. 2 Accuracy of the GRF&M estimate during sidestep cuts (top), runs (middle) and walks (bottom) according to the kinematic thresholds used: error on the resultant force and error on the CoP position More about this image found in Accuracy of the GRF&M estimate during sidestep cuts (top), runs (middle...
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RMSE between the estimated GRF&M and the GRF&M measured by the forc...
Published Online: November 22, 2023
Fig. 4 RMSE between the estimated GRF&M and the GRF&M measured by the force platforms according to the contact detection method. The pattern in the boxes differentiates the contact detection method used. The RMSE for each component of the GRF&M is represented: the resultant along the m... More about this image found in RMSE between the estimated GRF&M and the GRF&M measured by the forc...
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Workflow diagram for prototype design and evaluation, which overall consist...
Published Online: November 22, 2023
Fig. 1 Workflow diagram for prototype design and evaluation, which overall consists of four steps: (1)three-dimensional gait analysis using MoCap and musculoskeletal modeling, (2) Knee brace design and adjustment, (3) in silico validation of the unloading concept under ideal circumstances, and (... More about this image found in Workflow diagram for prototype design and evaluation, which overall consist...
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Illustration of the simulated knee brace concept in AMS using rigid linkage...
Published Online: November 22, 2023
Fig. 2 Illustration of the simulated knee brace concept in AMS using rigid linkages and connections. The joints are frictionless and there is no slack in the string. When flexing the knee, the two points, P CP and P CA , move apart and pull the string. A spring is connected to the string, whi... More about this image found in Illustration of the simulated knee brace concept in AMS using rigid linkage...
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Individual mean stiffness plots for each patient. The quasi-stiffness line ...
Published Online: November 22, 2023
Fig. 3 Individual mean stiffness plots for each patient. The quasi-stiffness line (red) is fitted to match the first peak muscle moment (blue) and the dashed line indicates the knee angle for when to apply the brace moment (activation angle). The orange bullets indicate heel strike and toe-off. Th... More about this image found in Individual mean stiffness plots for each patient. The quasi-stiffness line ...
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Individual mean stiffness plots for each patient including the muscle momen...
Published Online: November 22, 2023
Fig. 4 Individual mean stiffness plots for each patient including the muscle moment without brace (Muscle w/o brace), the in silico brace moment (Brace moment) and the muscle moment when analyzing the in silico brace (Muscle w brace). The orange bullets indicate heel strike and toe-off and the... More about this image found in Individual mean stiffness plots for each patient including the muscle momen...
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Mean EMG signal of vastus medialis (VM), vastus lateralis (VL), average bet...
Published Online: November 22, 2023
Fig. 5 Mean EMG signal of vastus medialis (VM), vastus lateralis (VL), average between VM and VL (VML), and rectus femoris (RF) through stance phase for each experimental brace condition. The first peak signal, corresponding to the first peak muscle moment in Fig. 2 , is highlighted in each graph... More about this image found in Mean EMG signal of vastus medialis (VM), vastus lateralis (VL), average bet...
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