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A real-time gait event detection for lower limb prosthesis control and evaluation

Maqbool, Hafiz Farhan and Husman, Muhammad Afif and Awad, Mohammed I. and Abouhossein, Alireza and Iqbal, Nadeem and Dehghani-Sanij, A. A. (2017) A real-time gait event detection for lower limb prosthesis control and evaluation. IEEE Transactions on Neural Systems and Rehabilitation Engineering, 25 (9). pp. 1500-1509. ISSN 1534-4320 E-ISSN 1558-0210

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Lower extremity amputees suffer from mobility limitations which will result in a degradation of their quality of life. Wearable sensors are frequently used to assess spatio-temporal, kinematic and kinetic parameters providing the means to establish an interactive control of the amputee-prosthesis-environment system. Gait events and the gait phase detection of an amputee's locomotion are vital for controlling lower limb prosthetic devices. The paper presents an approach to real-time gait event detection for lower limb amputees using a wireless gyroscope attached to the shank when performing level ground and ramp activities. The results were validated using both healthy and amputee subjects and showed that the time differences in identifying Initial Contact (IC) and Toe Off (TO) events were larger in a transfemoral amputee when compared to the control subjects and a transtibial amputee (TTA). Overall, the time difference latency lies within a range of ±50 ms while the detection rate was 100% for all activities. Based on the validated results, the IC and TO events can be accurately detected using the proposed system in both control subjects and amputees when performing activities of daily living and can also be utilized in the clinical setup for rehabilitation and assessing the performance of lower limb prosthesis users.

Item Type: Article (Journal)
Additional Information: 8402/70211
Uncontrolled Keywords: prosthetics, lower limn, gait events detection
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800 Electronics. Computer engineering. Computer hardware. Photoelectronic devices
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering
Kulliyyah of Engineering > Department of Mechatronics Engineering
Depositing User: Dr Muhammad Afif Bin Husman
Date Deposited: 28 Mar 2019 16:31
Last Modified: 28 Mar 2019 16:32
URI: http://irep.iium.edu.my/id/eprint/70211

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