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Titre : | Limits of Stability in Persons With Transtibial Amputation With Respect to Prosthetic Alignment Alterations (2013) |
Auteurs : | Barbora Kolarova ; Miroslav Janura ; Zdenek Svoboda ; et al. |
Type de document : | Article |
Dans : | Archives of Physical Medicine and Rehabilitation (2013/11, 2013) |
Article en page(s) : | pp. 2234-2240 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Amputation ; Rééducation et réadaptation |
Mots-clés: | Postural Balance ; Équilibre postural ; Prosthesis Implantation ; Implantation de prothèse |
Résumé : |
Objectives To evaluate the limits of stability (LOS) in persons with transtibial amputation (TTA), and to determine the effects of prosthetic alignment alterations on motor control strategies. Design Before-and-after trial. Setting A kinesiology laboratory at a university hospital. Participants Male patients with TTA (n=10) and controls (n=17). Interventions Prosthetic alignment. Main Outcome Measures For the LOS test, the maximum excursion, endpoint excursion, direction control, movement velocity, and reaction time with inclination in the forward direction, toward the amputated leg/right leg, and in the backward direction, and toward the nonamputated leg/left leg. Measurements were performed using the following 5 prosthetic alignments: the optimal alignment, with the prosthesis shorter by 1cm, with the prosthesis longer by 1cm, and with the prosthetic foot in 5° of extra plantar flexion and 5° of extra dorsiflexion. Results Compared with the control group, maximum excursion and direction control were lower (P<.05 in patients with tta backward body inclination for all tested prosthetic alignments. direction control was reduced compared other directions assessed differences between the alignments were not significant any of directions.> Conclusions Patients with TTA have decreased voluntary body inclination backward within the LOS for all tested prosthetic alignments. Compared with controls, changes in prosthetic foot settings by means of rotation in the sagittal plane had a larger impact on movement strategy in patients with TTA than did changes to the length of the prosthesis. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/journal/archives-of-physical-medicine-and-rehabilitation |