Re: To C-leg Users: Your response to recent studies

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Posted by Casey on September 07, 19104 at 17:04:04:

In Reply to: Re: To C-leg Users: Your response to recent studies posted by Lori on September 07, 19104 at 14:48:02:

This is from the article. This is just a report on the study. I think details of the study would be needed before coming to any conclusions:

"Researchers at the University of Utah and Shriners Hospital for Children, both in Salt Lake City, looked at gait and energy consumption while patients walked on a level surface, at the kinematics of ramp walking, and at patients' perceptions of their prosthetic device.

Seven transfemoral amputees who had worn the 3C-100 C-Leg for an average of 2.3 years were compared with six transfemoral amputees who had worn a single-axis or polycentric passive hydraulic prosthesis for 5.8 years on average. Patients in the C-Leg group had been amputees for an average of 11.9 years and the control group for an average of 21.3 years. Most had had traumatic amputations.

There were no significant differences between the groups during level walking or during the tests of metabolic cost. Only five of the seven C-Leg patients, however, felt confident enough to descend the ramp after walking up. The C-Leg did tend to flex more than the other prostheses during single-leg stance when the patients walked down the ramp, but the difference was not statistically significant. When walking up the ramp, knee flexion in swing was greater for the patients wearing the C-Leg, but again was not significantly different. On the Prosthetic Evaluation Questionnaire, the C-Leg scored higher on the only two of nine scales (frustration and social burden) for which the authors found any statistically significant differences."

: : I would like the opinions of C-leg users to the following article about recent studies involving the C-leg.

: : http://www.biomech.com/db_area/archives/2004/0407.op2.bio.shtml

: I would like to know how long the cleg users had been using a cleg vs. a standard prosthesis. I found that it took me a solid 6-8 months to feel truly confident with the cleg, let go of some of the anxiety I had learned to have with my standard prostheses and not work so hard at walking. After 25 years of the standard type and the 5 compensatory injury surgeries I have had, I still occasionally find myself working harder at walking than I would need to. I have to remind myself to relax and let the leg do the work. I have counted at least a dozen times in the 14 months I have had the cleg where I would probably have fallen with a standard prosthesis, but didn't because the cleg did what it was supposed to do. Lori

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: This is from the article. This is just a report on the study. I think details of the study would be needed before coming to any conclusions: : "Researchers at the University of Utah and Shriners Hospital for Children, both in Salt Lake City, looked at gait and energy consumption while patients walked on a level surface, at the kinematics of ramp walking, and at patients' perceptions of their prosthetic device. : Seven transfemoral amputees who had worn the 3C-100 C-Leg for an average of 2.3 years were compared with six transfemoral amputees who had worn a single-axis or polycentric passive hydraulic prosthesis for 5.8 years on average. Patients in the C-Leg group had been amputees for an average of 11.9 years and the control group for an average of 21.3 years. Most had had traumatic amputations. : There were no significant differences between the groups during level walking or during the tests of metabolic cost. Only five of the seven C-Leg patients, however, felt confident enough to descend the ramp after walking up. The C-Leg did tend to flex more than the other prostheses during single-leg stance when the patients walked down the ramp, but the difference was not statistically significant. When walking up the ramp, knee flexion in swing was greater for the patients wearing the C-Leg, but again was not significantly different. On the Prosthetic Evaluation Questionnaire, the C-Leg scored higher on the only two of nine scales (frustration and social burden) for which the authors found any statistically significant differences." : : : : : I would like the opinions of C-leg users to the following article about recent studies involving the C-leg. : : : http://www.biomech.com/db_area/archives/2004/0407.op2.bio.shtml : : I would like to know how long the cleg users had been using a cleg vs. a standard prosthesis. I found that it took me a solid 6-8 months to feel truly confident with the cleg, let go of some of the anxiety I had learned to have with my standard prostheses and not work so hard at walking. After 25 years of the standard type and the 5 compensatory injury surgeries I have had, I still occasionally find myself working harder at walking than I would need to. I have to remind myself to relax and let the leg do the work. I have counted at least a dozen times in the 14 months I have had the cleg where I would probably have fallen with a standard prosthesis, but didn't because the cleg did what it was supposed to do. Lori

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