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Titre : | Physical Strain: A New Perspective on Walking in Cerebral Palsy (2017) |
Auteurs : | Astrid C. Balemans ; Eline A. Bolster ; Merel-Anne Brehm |
Type de document : | Article |
Dans : | Archives of Physical Medicine and Rehabilitation (2017/12, 2017) |
Article en page(s) : | p. 2507-2513 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Paralysie cérébrale ; Rééducation et réadaptation |
Mots-clés: | Cerebral palsy ; Physical fitness ; Aptitude physique ; Walking ; Marche à pied |
Résumé : |
Objectives To describe (1) physical strain of walking, (2) the proportion of participants walking above the anaerobic threshold, and (3) 4 phenotypes of physical strain of walking on the basis of deviations in aerobic capacity and walking energy cost (EC) in children and adolescents with cerebral palsy (CP). Design Cohort study. Setting Academic medical center. Participants A sample (N=57) of participants (n=37; mean age, 13.5+4.0y) with CP (Gross Motor Function Classification System [GMFCS] levels I [n=13], II [n=17], and III [n=7]) and typically developing (TD) participants (n=20; mean age, 11.8+3.5y). Interventions Not applicable. Main Outcome Measures Oxygen consumption (Vo2walk), speed, and EC were determined during walking at a comfortable speed. Peak oxygen consumption (Vo2peak) and anaerobic threshold were measured during a maximal cycling exercise test. Aerobic capacity was reduced if lower than the 10th percentile, and EC was increased if higher than 3SD. Physical strain was defined as follows: (Vo2walk/Vo2peak)*100. Results Participants with CP had a higher physical strain (GMFCS level I, 55%+12% GMFCS level II, 62%+17%; GMFCS level III, 78%+14%) than did TD participants (40%+11%) (P<.001 forty-three percent of participants with cp showed a vo2walk at or above their anaerobic threshold as compared td phenotypes that reduced vo2peak an increased ec lead to higher physical strain whereas combination leads increase.> Conclusions Children and adolescents with CP walk at a high physical strain, approximating intense exercise and a considerable proportion walks close to or above their anaerobic threshold, probably explaining fatigue and reduced walking distance. Both an increased EC and a reduced Vo2peak contribute to high physical strain in children or adolescents with CP. The different causes of high physical strain in individuals with CP require different intervention strategies. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/science/article/pii/S0003999317303805 |