Kinematic on Ankle and Knee Joint of Post-Stroke Elderly Patients by Wearing Newly Elastic Band-Type Ankle–Foot Orthosis in Gait
Jong Hyun Kim, Byeong Hee Won Biomedical System & Technology Group, Korea Institute of Industrial Technology, Cheonan, Chungnam, South KoreaCorrespondence: Byeong Hee WonBiomedical System & Technology Group, Korea Institute of Industrial Technology, 89, Yangdaegiro-gil, Ipjang-myeon,...
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Dove Medical Press
2019
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oai:doaj.org-article:1e0697e87b88474fa9a6931650138c6b2021-12-02T07:19:18ZKinematic on Ankle and Knee Joint of Post-Stroke Elderly Patients by Wearing Newly Elastic Band-Type Ankle–Foot Orthosis in Gait1178-1998https://doaj.org/article/1e0697e87b88474fa9a6931650138c6b2019-12-01T00:00:00Zhttps://www.dovepress.com/kinematic-on-ankle-and-knee-joint-of-post-stroke-elderly-patients-by-w-peer-reviewed-article-CIAhttps://doaj.org/toc/1178-1998Jong Hyun Kim, Byeong Hee Won Biomedical System & Technology Group, Korea Institute of Industrial Technology, Cheonan, Chungnam, South KoreaCorrespondence: Byeong Hee WonBiomedical System & Technology Group, Korea Institute of Industrial Technology, 89, Yangdaegiro-gil, Ipjang-myeon, Seobuk-gu, Cheonan-si, Chungcheongnam-do 331-822, South KoreaTel +82-10-3731-8090Fax +82-505-731-8091Email bhwon@kitech.re.krPurpose: The post-stroke elderly was increased caused by increasing stroke and advanced medical. However, ankle–foot orthoses (AFOs) can be uncomfortable for hemiplegic patients; therefore, the usability is not good. In this study, we analyzed ankle and knee joint angles in post-stroke elderly patients to assess the functional effectiveness (specifically prevention of back knee and drop-foot) of a new elastic band-type AFO (New Product: NP) during gait.Patients and methods: Nine elderly post-stroke patients (eight males, one female; 55.7±8.4 years; 165.8±9.2 cm; 68.8±11.5 kg; five with right hemiplegia, four with left hemiplegia; onset period: 6.6 years) were selected for participation in this study. We captured gait motion using 12 cameras (MX-T20, Vicon, Inc., Oxford, UK) under three different conditions [wearing nothing (WI), using existing ordinary AFOs made from hard plastic material (EP), and using NP]. The angle variation and maximum–minimum angle of the lower body joints were analyzed during dorsi-plantar flexion of the ankle joint and flexion–extension of knee joint. A one-way ANOVA test for multiple comparisons was performed, followed by a Tukey’s b test to identify statistical significance, which was set at 0.005.Results: Regarding the ankle joint, the maximum plantar flexion (drop-foot) value decreased with the NP, and the maximum dorsiflexion value increased. Regarding the knee joint, the maximum extension (back knee) value decreased, and the maximum flexion value increased (p < 0.005).Conclusion: Using analysis of the kinematics of the ankles and knees during walking, this research confirmed the effectiveness of the NP, an elastic band-type AFO, for use in ordinary post-stroke elderly patients.Keywords: hemiplegia, gait motion, back knee, drop-foot, dorsiflexion, extensionKim JHWon BHDove Medical Pressarticlehemiplegiagait motionback kneedrop-footdorsiflexionextensionGeriatricsRC952-954.6ENClinical Interventions in Aging, Vol Volume 14, Pp 2097-2104 (2019) |
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hemiplegia gait motion back knee drop-foot dorsiflexion extension Geriatrics RC952-954.6 |
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hemiplegia gait motion back knee drop-foot dorsiflexion extension Geriatrics RC952-954.6 Kim JH Won BH Kinematic on Ankle and Knee Joint of Post-Stroke Elderly Patients by Wearing Newly Elastic Band-Type Ankle–Foot Orthosis in Gait |
| description |
Jong Hyun Kim, Byeong Hee Won Biomedical System & Technology Group, Korea Institute of Industrial Technology, Cheonan, Chungnam, South KoreaCorrespondence: Byeong Hee WonBiomedical System & Technology Group, Korea Institute of Industrial Technology, 89, Yangdaegiro-gil, Ipjang-myeon, Seobuk-gu, Cheonan-si, Chungcheongnam-do 331-822, South KoreaTel +82-10-3731-8090Fax +82-505-731-8091Email bhwon@kitech.re.krPurpose: The post-stroke elderly was increased caused by increasing stroke and advanced medical. However, ankle–foot orthoses (AFOs) can be uncomfortable for hemiplegic patients; therefore, the usability is not good. In this study, we analyzed ankle and knee joint angles in post-stroke elderly patients to assess the functional effectiveness (specifically prevention of back knee and drop-foot) of a new elastic band-type AFO (New Product: NP) during gait.Patients and methods: Nine elderly post-stroke patients (eight males, one female; 55.7±8.4 years; 165.8±9.2 cm; 68.8±11.5 kg; five with right hemiplegia, four with left hemiplegia; onset period: 6.6 years) were selected for participation in this study. We captured gait motion using 12 cameras (MX-T20, Vicon, Inc., Oxford, UK) under three different conditions [wearing nothing (WI), using existing ordinary AFOs made from hard plastic material (EP), and using NP]. The angle variation and maximum–minimum angle of the lower body joints were analyzed during dorsi-plantar flexion of the ankle joint and flexion–extension of knee joint. A one-way ANOVA test for multiple comparisons was performed, followed by a Tukey’s b test to identify statistical significance, which was set at 0.005.Results: Regarding the ankle joint, the maximum plantar flexion (drop-foot) value decreased with the NP, and the maximum dorsiflexion value increased. Regarding the knee joint, the maximum extension (back knee) value decreased, and the maximum flexion value increased (p < 0.005).Conclusion: Using analysis of the kinematics of the ankles and knees during walking, this research confirmed the effectiveness of the NP, an elastic band-type AFO, for use in ordinary post-stroke elderly patients.Keywords: hemiplegia, gait motion, back knee, drop-foot, dorsiflexion, extension |
| format |
article |
| author |
Kim JH Won BH |
| author_facet |
Kim JH Won BH |
| author_sort |
Kim JH |
| title |
Kinematic on Ankle and Knee Joint of Post-Stroke Elderly Patients by Wearing Newly Elastic Band-Type Ankle–Foot Orthosis in Gait |
| title_short |
Kinematic on Ankle and Knee Joint of Post-Stroke Elderly Patients by Wearing Newly Elastic Band-Type Ankle–Foot Orthosis in Gait |
| title_full |
Kinematic on Ankle and Knee Joint of Post-Stroke Elderly Patients by Wearing Newly Elastic Band-Type Ankle–Foot Orthosis in Gait |
| title_fullStr |
Kinematic on Ankle and Knee Joint of Post-Stroke Elderly Patients by Wearing Newly Elastic Band-Type Ankle–Foot Orthosis in Gait |
| title_full_unstemmed |
Kinematic on Ankle and Knee Joint of Post-Stroke Elderly Patients by Wearing Newly Elastic Band-Type Ankle–Foot Orthosis in Gait |
| title_sort |
kinematic on ankle and knee joint of post-stroke elderly patients by wearing newly elastic band-type ankle–foot orthosis in gait |
| publisher |
Dove Medical Press |
| publishDate |
2019 |
| url |
https://doaj.org/article/1e0697e87b88474fa9a6931650138c6b |
| work_keys_str_mv |
AT kimjh kinematiconankleandkneejointofpoststrokeelderlypatientsbywearingnewlyelasticbandtypeanklendashfootorthosisingait AT wonbh kinematiconankleandkneejointofpoststrokeelderlypatientsbywearingnewlyelasticbandtypeanklendashfootorthosisingait |
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