Archive for Октябрь 28th, 2008

Standardized voluntary force measurement in a lower extremity rehabilitation robot

Дата: Октябрь 28th, 2008 Автор:
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  • Тип контента: Научная статья
  • Номер документа: 6309
  • Название документа: Standardized voluntary force measurement in a lower extremity rehabilitation robot
  • Номер (DOI, IBSN, Патент): 10.1186/1743-0003-5-23
  • Изобретатель/автор: Volker Dietz, Raphael Banz, Marc Bolliger, Lars Lünenburger
  • Правопреемник/учебное заведение: Balgrist University Hospital, Zurich
  • Дата публикации документа: 2008-10-28
  • Страна опубликовавшая документ: Швейцария
  • Язык документа: Английский
  • Наименование изделия: Не заполнено
  • Источник: Journal of NeuroEngineering and Rehabilitation
  • Вложения: Да
  • Аналитик: Глаголева Елена

Background: Isometric force measurements in the lower extremity are widely used in rehabilitation of subjects with neurological movement disorders (NMD) because walking ability has been shown to be rela-ted to muscle strength. Therefore muscle strength measurements can be used to monitor and control the ef-fects of training programs. A new method to assess isometric muscle force was implemented in the driven gait orthosis (DGO) Lokomat. To evaluate the capabilities of this new measurement method, inter- and intra-rater reliability were assessed. Methods: Reliability was assessed in subjects with and without NMD. Sub-jects were tested twice on the same day by two different therapists to test inter-rater reliability and on two separate days by the same therapist to test intra-rater reliability. Results: Results showed fair to good reliability for the new measurement method to assess isometric muscle force of lower extremities. In subjects without NMD, intraclass correlation coefficients (ICC) for inter-rater reliability ranged from 0.72 to 0.97 and intra-rater reliability from 0.71 to 0.90. In subjects with NMD, ICC ranged from 0.66 to 0.97 for inter-rater and from 0.50 to 0.96 for intra-rater reliability. Conclusion: Inter- and intra- rater reliability of an assessment method for measuring maximal voluntary isometric muscle force of lower extremities was demonstrated. We suggest that this method is a valuable tool for documentation and control-ling of the rehabilitation process in patients using a DGO.

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