Variations of ankle-foot orthosis-constrained movements increase ankle range of movement while maintaining power output of recumbent cycling
Previous research investigated recumbent cycle power output (PO) from the perspective of knee and hip joint biomechanics. However, ankle-foot biomechanics and, in particular, the effect of ankle-foot orthosis (AFO)-constrained movements on cycle PO has not been widely explored. Therefore, the purpos...
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| Format: | Article |
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De Gruyter
2018
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| author | Hamdan, Puteri N.F. Hamzaid, Nur Azah Usman, Juliana Islam, Md Anamul Kean, Victor Shern Phng Wahab, Ahmad Khairi Abdul Hasnan, Nazirah Davis, Glen Macartney |
| author_facet | Hamdan, Puteri N.F. Hamzaid, Nur Azah Usman, Juliana Islam, Md Anamul Kean, Victor Shern Phng Wahab, Ahmad Khairi Abdul Hasnan, Nazirah Davis, Glen Macartney |
| author_sort | Hamdan, Puteri N.F. |
| collection | UM |
| description | Previous research investigated recumbent cycle power output (PO) from the perspective of knee and hip joint biomechanics. However, ankle-foot biomechanics and, in particular, the effect of ankle-foot orthosis (AFO)-constrained movements on cycle PO has not been widely explored. Therefore, the purpose of this study was to determine whether AFOs of a fixed position (FP) and in dorsi-plantarflexion (DPF)-, dorsiflexion (DF)- and plantarflexion (PF)-constrained movements might influence PO during voluntary recumbent cycling exercises. Twenty-five healthy individuals participated in this study. All underwent 1-min cycling at a fixed cadence for each of the AFOs. The peak and average PO of each condition were analyzed. The peak and average PO were 27.2±12.0 W (range 6-60) and 17.2±9.0 W (range 2-36), respectively, during voluntary cycling. There were no significant differences in the peak PO generated by the AFOs (p=0.083). There were also no significant differences in the average PO generated using different AFOs (p=0.063). There were no significant differences in the changes of the hip and knee joint angles with different AFOs (p=0.974 and p=1.00, respectively). However, there was a significant difference in the changes of the ankle joint angle (p<0.00). The present study observed that AFO-constrained movements did not have an influence in altering PO during voluntary recumbent cycling in healthy individuals. This finding might serve as a reference for future rehabilitative cycling protocols. |
| first_indexed | 2024-03-06T05:55:39Z |
| format | Article |
| id | um.eprints-21968 |
| institution | Universiti Malaya |
| last_indexed | 2024-03-06T05:55:39Z |
| publishDate | 2018 |
| publisher | De Gruyter |
| record_format | dspace |
| spelling | um.eprints-219682019-08-20T03:48:29Z http://eprints.um.edu.my/21968/ Variations of ankle-foot orthosis-constrained movements increase ankle range of movement while maintaining power output of recumbent cycling Hamdan, Puteri N.F. Hamzaid, Nur Azah Usman, Juliana Islam, Md Anamul Kean, Victor Shern Phng Wahab, Ahmad Khairi Abdul Hasnan, Nazirah Davis, Glen Macartney R Medicine Previous research investigated recumbent cycle power output (PO) from the perspective of knee and hip joint biomechanics. However, ankle-foot biomechanics and, in particular, the effect of ankle-foot orthosis (AFO)-constrained movements on cycle PO has not been widely explored. Therefore, the purpose of this study was to determine whether AFOs of a fixed position (FP) and in dorsi-plantarflexion (DPF)-, dorsiflexion (DF)- and plantarflexion (PF)-constrained movements might influence PO during voluntary recumbent cycling exercises. Twenty-five healthy individuals participated in this study. All underwent 1-min cycling at a fixed cadence for each of the AFOs. The peak and average PO of each condition were analyzed. The peak and average PO were 27.2±12.0 W (range 6-60) and 17.2±9.0 W (range 2-36), respectively, during voluntary cycling. There were no significant differences in the peak PO generated by the AFOs (p=0.083). There were also no significant differences in the average PO generated using different AFOs (p=0.063). There were no significant differences in the changes of the hip and knee joint angles with different AFOs (p=0.974 and p=1.00, respectively). However, there was a significant difference in the changes of the ankle joint angle (p<0.00). The present study observed that AFO-constrained movements did not have an influence in altering PO during voluntary recumbent cycling in healthy individuals. This finding might serve as a reference for future rehabilitative cycling protocols. De Gruyter 2018 Article PeerReviewed Hamdan, Puteri N.F. and Hamzaid, Nur Azah and Usman, Juliana and Islam, Md Anamul and Kean, Victor Shern Phng and Wahab, Ahmad Khairi Abdul and Hasnan, Nazirah and Davis, Glen Macartney (2018) Variations of ankle-foot orthosis-constrained movements increase ankle range of movement while maintaining power output of recumbent cycling. Biomedical Engineering / Biomedizinische Technik, 63 (6). pp. 691-697. ISSN 0013-5585, DOI https://doi.org/10.1515/bmt-2017-0004 <https://doi.org/10.1515/bmt-2017-0004>. https://doi.org/10.1515/bmt-2017-0004 doi:10.1515/bmt-2017-0004 |
| spellingShingle | R Medicine Hamdan, Puteri N.F. Hamzaid, Nur Azah Usman, Juliana Islam, Md Anamul Kean, Victor Shern Phng Wahab, Ahmad Khairi Abdul Hasnan, Nazirah Davis, Glen Macartney Variations of ankle-foot orthosis-constrained movements increase ankle range of movement while maintaining power output of recumbent cycling |
| title | Variations of ankle-foot orthosis-constrained movements increase ankle range of movement while maintaining power output of recumbent cycling |
| title_full | Variations of ankle-foot orthosis-constrained movements increase ankle range of movement while maintaining power output of recumbent cycling |
| title_fullStr | Variations of ankle-foot orthosis-constrained movements increase ankle range of movement while maintaining power output of recumbent cycling |
| title_full_unstemmed | Variations of ankle-foot orthosis-constrained movements increase ankle range of movement while maintaining power output of recumbent cycling |
| title_short | Variations of ankle-foot orthosis-constrained movements increase ankle range of movement while maintaining power output of recumbent cycling |
| title_sort | variations of ankle foot orthosis constrained movements increase ankle range of movement while maintaining power output of recumbent cycling |
| topic | R Medicine |
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