1. Date of download: 10/17/2017
Copyright © ASME. All rights reserved.
From: Controlling Propulsive Forces in Gait Initiation in Transfemoral Amputees
J Biomech Eng. 2008;130(1): doi: /
Figure Legend:
Posterior displacement of the CoP creating a forward momentum

2. Date of download: 10/17/2017
Copyright © ASME. All rights reserved.
From: Controlling Propulsive Forces in Gait Initiation in Transfemoral Amputees
J Biomech Eng. 2008;130(1): doi: /
Figure Legend:
Schematic overview of typical CoMy and CoMz velocities, the forces (GRFy, GRFz), and the CoPy motion during gait initiation of TF subjects leading with their sound leg or the prosthetic leg and AB subjects. The stick figures show five sub-phases of gait initiation: (1) the start of the Apa phase, (2) the middle of the Apa phase, (3) the Apa-Exe phase transition, (4) the middle of the Exe phase, and (5) the end of the Exe phase. The CoP position during these sub-phases is represented by a triangle. The stick figures are based on video images. Two typical GRFy curves were found in the TF sound leg leading group. These curves are represented by the solid and the dotted line.

3. Date of download: 10/17/2017
Copyright © ASME. All rights reserved.
From: Controlling Propulsive Forces in Gait Initiation in Transfemoral Amputees
J Biomech Eng. 2008;130(1): doi: /
Figure Legend:
Schematic overview of typical CoMy and CoMz velocities, the forces (GRFy; GRFz), and the CoPy motion during gait initiation of TF amputee deviators leading with their prosthetic leg and AB deviators. The stick figures show five sub-phases of gait initiation: (1) the start of the Apa phase, (2) the middle of the Apa phase, (3) the Apa-Exe phase transition, (4) the middle of the Exe phase, and (5) the end of the Exe phase. The CoP position during these sub-phases is represented by a triangle. The stick figures are based on video images.