Development of an active ankle foot orthosis for the prevention of foot drop and toe drag

被引:0
作者
Hwang, Sungjae [1 ]
Kim, Jungyoon [1 ]
Yi, Jinbock [1 ,3 ]
Tae, Kisik [1 ]
Ryu, Kihong [1 ]
Kim, Youngho [1 ,2 ]
机构
[1] Yonsei Univ, Dept Biomed Engn, Wonju, South Korea
[2] Yonsei Univ, Inst Med Engn, Wonju, South Korea
[3] Hanseo Univ, Dept Prosthet Orthot, Seosan, South Korea
来源
2006 INTERNATIONAL CONFERENCE ON BIOMEDICAL AND PHARMACEUTICAL ENGINEERING, VOLS 1 AND 2 | 2006年
关键词
active ankle-foot-orthosis; dorsiflexion; plantarklexion; foot drop; toe drag;
D O I
暂无
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
In this study, we developed an active ankle-foot orthosis (AAFO) which can control the dorsi/ plantarflexion of the ankle joint to prevent foot drop and toe drag during walking. To prevent slapping foot after heel strike, ankle joint has to be controlled actively to minimize forefoot collision with the ground. In the late stance, ankle joint also has to be controlled to provide the toe clearance and help the push-off. 3D gait analyses were performed on five healthy subjects (age: 27.5 +/- 2.1 years, height: 169.4 +/- 4.3cm, weight: 66.4 +/- 2.3kg) using a near-infrared 3D motion analysis system (Vicon 612, VICON, U.S.A.). Three different gait conditions were compared: the normal gait without AFO, the SAFO gait with the conventional plastic AFO, the AAFO gait with the developed AFO. As a result, the developed AAFO could preeminently induce the normal gait compared with SAFO. Additionally, AAFO can prevent the foot drop by proper plantarflexion during loading response and provide enough plantarflexion moment as driving force to walk forward by the sufficient push-off during pre-swing. AAFO also can prevent the toe drag by proper dorsiflexion during swing phase. In addition, SAFO can bring a very inefficient gait by the abnormal pelvic movement with a compensation for the limited movement of ankle joint. On the other hand, the AAFO can induce an efficient gait with the similar movement as in the normal gait These results indicate that the developed AAFO may have more clinical benefits to treat foot drop and toe drag, compared with conventional AFOs, and also could be useful in polio patients or patients with other orthotic devices.
引用
收藏
页码:409 / +
页数:2
相关论文
共 50 条
[41]   A study on the structural stress analysis of plastic ankle foot orthosis (AFO) under dorsiflexion and plantarflextion conditions [J].
Lee, Young-Shin ;
Choi, Young-Jin ;
Kim, Hyun-Soo ;
Lee, Hyun-Seung ;
Cho, Kang-Hee .
INTERNATIONAL JOURNAL OF MODERN PHYSICS B, 2006, 20 (25-27) :4559-4564
[42]   Ankle rehabilitation robot training for stroke patients with foot drop: Optimizing intensity and frequency [J].
Zhang, Qingfang ;
Wang, Yulong ;
Zhou, Mingchao ;
Li, Dongxia ;
Yan, Jie ;
Liu, Quanquan ;
Wang, Chunbao ;
Duan, Lihong ;
Hou, Dianrui ;
Long, Jianjun .
NEUROREHABILITATION, 2023, 53 (04) :567-576
[43]   Development and Distribution of Functional Electrical Stimulator for Foot Drop for Thais [J].
Jitprasutwit, Jirawat ;
Chaiwattanatham, Ratikorn ;
Lertmanorat, Zeng .
2015 8TH BIOMEDICAL ENGINEERING INTERNATIONAL CONFERENCE (BMEICON), 2015,
[44]   Comparison the effect of kinetic parameters of innovative storing-restoring hybrid passive (comfort gait) ankle-foot orthosis (AFO) with posterior leaf spring AFO in drop-foot patients: a prospective cohort study [J].
Saeedi, Hassan ;
Pourhoseingholi, Ensieh .
CURRENT ORTHOPAEDIC PRACTICE, 2020, 31 (05) :437-441
[45]   Computational modelling of ankle-foot orthosis to evaluate spatially asymmetric structural stiffness: Importance of geometric nonlinearity [J].
Sumihira, Wataru ;
Otani, Tomohiro ;
Kobayashi, Yo ;
Tanaka, Masao .
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART H-JOURNAL OF ENGINEERING IN MEDICINE, 2022, 236 (09) :1357-1364
[46]   Foot drop on the opposite side after spinal anesthesia for ankle fracture surgery: a case report [J].
Zhang, Wendong ;
Ma, Xingxing ;
Chen, Jiaxin .
JOURNAL OF INTERNATIONAL MEDICAL RESEARCH, 2023, 51 (02)
[47]   Improvement in clinical outcome and quality of life after arthroscopic ankle arthrodesis in paralytic foot drop [J].
Fahmy Samir Fahmy ;
Mohammad Abdalla Abd El Salam ;
Hossam Fathi Mahmoud .
Journal of Orthopaedic Surgery and Research, 18
[48]   Improvement in clinical outcome and quality of life after arthroscopic ankle arthrodesis in paralytic foot drop [J].
Fahmy, Fahmy Samir ;
Salam, Mohammad Abdalla Abd El ;
Mahmoud, Hossam Fathi .
JOURNAL OF ORTHOPAEDIC SURGERY AND RESEARCH, 2023, 18 (01)
[49]   FUNCTIONAL ELECTRICAL STIMULATION AND ANKLE FOOT ORTHOSES PROVIDE EQUIVALENT THERAPEUTIC EFFECTS ON FOOT DROP: A META-ANALYSIS PROVIDING DIRECTION FOR FUTURE RESEARCH [J].
Prenton, Sarah ;
Hollands, Kristen L. ;
Kenney, Laurence P. J. ;
Onmanee, Pornsuree .
JOURNAL OF REHABILITATION MEDICINE, 2018, 50 (02) :129-139
[50]   Gait Characteristics Following Stroke: A Prospective Crossover Study to Compare Ankle-Foot Orthosis with Functional Electrical Stimulation [J].
Sannyasi, Gourav ;
Ojha, Rajdeep ;
Prakash, Navin B. ;
Isaac, Joyce ;
Maheswari, V ;
Mahasampath, G. S. ;
Tharion, George .
NEUROLOGY INDIA, 2022, 70 (05) :1830-1835