Journal ArticleDOI
The influence of a user-adaptive prosthetic knee across varying walking speeds: A randomized cross-over trial
Erik C. Prinsen,Marcus Johannes Nederhand,H.S. Sveinsdóttir,M.R. Prins,F. van der Meer,Hubertus F.J.M. Koopman,Johan S. Rietman +6 more
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TLDR
Comparison of walking with the Rheo Knee II to walking with a NMPK across different walking speeds showed limited differences in gait parameters.About:
This article is published in Gait & Posture.The article was published on 2017-01-01. It has received 20 citations till now. The article focuses on the topics: Preferred walking speed.read more
Citations
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Journal ArticleDOI
The utility of the single-subject method for comparison of temporal-spatial gait changes between a microprocessor and non-microprocessor prosthetic knees
TL;DR: The evidence of individual subject improvements in gait coordination, greater reliance on the prosthetic side, and better stability with the microprocessor prosthetic knee than non-microprocessor prosthetics knee over a range of walking speeds demonstrate the practical utility of the single-subject method in clinical decision-making.
Journal ArticleDOI
Wireless Communication-Based Design and Implementation of Digital Protection Platform on Folk Art
TL;DR: A microprocessor-based art digital protection website, with the purpose of preserving, inheriting, and disseminating folk art works through the website, and the result of the experiment shows that the sampling rate of the microprocessor has reached the requirement of the signal.
Journal ArticleDOI
Force-Moment Sensor for Prosthesis Structural Load Measurement
TL;DR: In this paper , a force-moment load sensor was proposed to measure axial force and bending moment in the structure of a lower-limb prosthesis, which can be used to detect important gaits events such as heel strike and toe-off.
Journal ArticleDOI
Using embedded prosthesis sensors for clinical gait analyses in people with lower limb amputation: A feasibility study.
Sabina Manz,Dirk Seifert,Bjoern Altenburg,Thomas Schmalz,Strahinja Dosen,Jose Gonzalez-Vargas +5 more
TL;DR: In this paper , the authors investigated the possibility of accurately measuring gait parameters using embedded sensors in a microprocessor-controlled knee joint and found that the average root mean square errors were 0.6°, 5.3°, and 0.08 Nm/kg for the knee angle, thigh angle, and knee moment.
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Investigating the Effect of Real-Time Center of Pressure Feedback Training on the Swing Phase of Lower Limb Kinematics in Transfemoral Prostheses With SACH Foot
TL;DR: In this paper , the authors investigated the effect of the shift in the location of the center of pressure (CoP) during heel strike on modulation of the swing-phase joint angles in able-bodied participants and transfemoral amputees.
References
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Journal ArticleDOI
User‐adaptive control of a magnetorheological prosthetic knee
Hugh M. Herr,Ari Wilkenfeld +1 more
TL;DR: A magnetorheological knee prosthesis is presented that automatically adapts knee damping to the gait of the amputee using only local sensing of knee force, torque, and position, indicating that a user‐adaptive control scheme and local mechanical sensing are all that is required for amputees to walk with an increased level of biological realism.
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A clinical comparison of variable-damping and mechanically passive prosthetic knee devices.
TL;DR: The results of this study indicate that variable-damping knee prostheses offer advantages over mechanically passive designs for unilateral transfemoral amputees walking at self-selected ambulatory speeds, and the results further suggest that a magnetorheological-based system may have advantages over hydraulic-based designs.
Journal ArticleDOI
Kinematic and kinetic comparisons of transfemoral amputee gait using C-Leg and Mauch SNS prosthetic knees.
Ava D. Segal,Michael S. Orendurff,Glenn K. Klute,Martin L. McDowell,Janice A. Pecoraro,Jane B. Shofer,Joseph M. Czerniecki +6 more
TL;DR: The C-Leg (Otto Bock, Duderstadt, Germany) is a microprocessor-controlled prosthetic knee that may enhance amputee gait that is compared with a common noncomputerized prosthesis, the Mauch SNS (Ossur, Reykjavik, Iceland).
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Comparison of nonmicroprocessor knee mechanism versus C-Leg on Prosthesis Evaluation Questionnaire, stumbles, falls, walking tests, stair descent, and knee preference.
TL;DR: Use of the C-Leg improves performance and quality of life and can increase MFCL and community ambulation level and was preferred over the NMKM by 14 subjects.
Journal ArticleDOI
Gait and balance of transfemoral amputees using passive mechanical and microprocessor-controlled prosthetic knees
Kenton R. Kaufman,James A. Levine,Robert H. Brey,B. K. Iverson,Shelly K. McCrady,Denny J. Padgett,Michael J. Joyner +6 more
TL;DR: Transfemoral amputees using a microprocessor-controlled knee have significant improvements in gait and balance.