Mechanism and Design Analysis of Articulated Ankle Foot Orthoses for Drop-Foot
Robotic technologies are being employed increasingly in the treatment of lower limb disabilities. Individuals suffering from stroke and other neurological disorders often experience inadequate dorsiflexion during swing phase of the gait cycle due to dorsiflexor muscle weakness. This type of patholog...
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| Format: | Article |
| Language: | English |
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Wiley
2014-01-01
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| Series: | The Scientific World Journal |
| Online Access: | http://dx.doi.org/10.1155/2014/867869 |
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| author | Morshed Alam Imtiaz Ahmed Choudhury Azuddin Bin Mamat |
| author_facet | Morshed Alam Imtiaz Ahmed Choudhury Azuddin Bin Mamat |
| author_sort | Morshed Alam |
| collection | DOAJ |
| description | Robotic technologies are being employed increasingly in the treatment of lower limb disabilities. Individuals suffering from stroke and other neurological disorders often experience inadequate dorsiflexion during swing phase of the gait cycle due to dorsiflexor muscle weakness. This type of pathological gait, mostly known as drop-foot gait, has two major complications, foot-slap during loading response and toe-drag during swing. Ankle foot orthotic (AFO) devices are mostly prescribed to resolve these complications. Existing AFOs are designed with or without articulated joint with various motion control elements like springs, dampers, four-bar mechanism, series elastic actuator, and so forth. This paper examines various AFO designs for drop-foot, discusses the mechanism, and identifies limitations and remaining design challenges. Along with two commercially available AFOs some designs possess promising prospective to be used as daily-wear device. However, the design and mechanism of AFO must ensure compactness, light weight, low noise, and high efficiency. These entailments present significant engineering challenges to develop a new design with wide consumer adoption. |
| format | Article |
| id | doaj-art-e271eb0e9fe448769fe046b9ba02fc27 |
| institution | Kabale University |
| issn | 2356-6140 1537-744X |
| language | English |
| publishDate | 2014-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | The Scientific World Journal |
| spelling | doaj-art-e271eb0e9fe448769fe046b9ba02fc272025-02-03T01:27:53ZengWileyThe Scientific World Journal2356-61401537-744X2014-01-01201410.1155/2014/867869867869Mechanism and Design Analysis of Articulated Ankle Foot Orthoses for Drop-FootMorshed Alam0Imtiaz Ahmed Choudhury1Azuddin Bin Mamat2Manufacturing System Integration, Department of Mechanical Engineering, University of Malaya, 50603 Kuala Lumpur, MalaysiaManufacturing System Integration, Department of Mechanical Engineering, University of Malaya, 50603 Kuala Lumpur, MalaysiaManufacturing System Integration, Department of Mechanical Engineering, University of Malaya, 50603 Kuala Lumpur, MalaysiaRobotic technologies are being employed increasingly in the treatment of lower limb disabilities. Individuals suffering from stroke and other neurological disorders often experience inadequate dorsiflexion during swing phase of the gait cycle due to dorsiflexor muscle weakness. This type of pathological gait, mostly known as drop-foot gait, has two major complications, foot-slap during loading response and toe-drag during swing. Ankle foot orthotic (AFO) devices are mostly prescribed to resolve these complications. Existing AFOs are designed with or without articulated joint with various motion control elements like springs, dampers, four-bar mechanism, series elastic actuator, and so forth. This paper examines various AFO designs for drop-foot, discusses the mechanism, and identifies limitations and remaining design challenges. Along with two commercially available AFOs some designs possess promising prospective to be used as daily-wear device. However, the design and mechanism of AFO must ensure compactness, light weight, low noise, and high efficiency. These entailments present significant engineering challenges to develop a new design with wide consumer adoption.http://dx.doi.org/10.1155/2014/867869 |
| spellingShingle | Morshed Alam Imtiaz Ahmed Choudhury Azuddin Bin Mamat Mechanism and Design Analysis of Articulated Ankle Foot Orthoses for Drop-Foot The Scientific World Journal |
| title | Mechanism and Design Analysis of Articulated Ankle Foot Orthoses for Drop-Foot |
| title_full | Mechanism and Design Analysis of Articulated Ankle Foot Orthoses for Drop-Foot |
| title_fullStr | Mechanism and Design Analysis of Articulated Ankle Foot Orthoses for Drop-Foot |
| title_full_unstemmed | Mechanism and Design Analysis of Articulated Ankle Foot Orthoses for Drop-Foot |
| title_short | Mechanism and Design Analysis of Articulated Ankle Foot Orthoses for Drop-Foot |
| title_sort | mechanism and design analysis of articulated ankle foot orthoses for drop foot |
| url | http://dx.doi.org/10.1155/2014/867869 |
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