Inertial-based Gait Analysis Applied to Patients with Parkinson Disease

被引:0
作者
Sousa, Joana [1 ]
Silva, Joana [2 ]
Leonardo, Ricardo [2 ]
Gamboa, Hugo [1 ,2 ]
Domingos, Josefa [3 ]
机构
[1] Univ Nova Lisboa, FCT, P-2829516 Caparica, Portugal
[2] Assoc Fraunhofer Portugal Res, Rua Alfredo Allen 455-461, P-4200135 Porto, Portugal
[3] Ctr Invest Interdisciplinar Egas Moniz CiiEM, Grp Patol Med Nutr & Exercicio Clin, Caparica, Portugal
来源
BIOSIGNALS: PROCEEDINGS OF THE 14TH INTERNATIONAL JOINT CONFERENCE ON BIOMEDICAL ENGINEERING SYSTEMS AND TECHNOLOGIES - VOL 4: BIOSIGNALS | 2021年
关键词
Gait Analysis; Parkinson's Disease; Foot-mounted IMU; Spatio-temporal Gait Metrics; Complementary Filter; ZUPT; SENSORS;
D O I
10.5220/0010328403270334
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
People with Parkinson's disease have a high incidence of falls due to motor difficulties. Recent studies have shown that PD patients can receive benefit from motor therapy based on cueing and feedback. This study describes a system based on a foot-mounted IMU for the calculation of gait parameters applied to different datasets of healthy elderly people, geriatric patients and patients with PD, in order to integrate it into a real-time acquisition system with application for tactile cueing. This system is divided into different steps: the identification of gait cycles and their events, the estimation of the path of the foot, which includes the estimation of the orientation of the foot, the application of methods to correct the error derived from the double integration of acceleration such as ZUPT, and finally the estimation of the, different gait metrics. The results show that the algorithm developed is an accurate method for stride segmentation and is considered adequate to assess the gait metrics for gait evaluation of patients with motor, difficulties.
引用
收藏
页码:327 / 334
页数:8
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