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학제간연구 과학기술학 뇌인지과학 기술정책 기타 복합학

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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국전문물리치료학회 한국전문물리치료학회지 한국전문물리치료학회지 제17권 제3호
발행연도
2010.1
수록면
20 - 30 (11page)

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초록· 키워드

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This study examined whether any changes by mental task types on postural control in chronic stroke persons. Sixteen chronic stroke persons (mean age=53.75 yr) and sixteen age-and gender-matched healthy controls (mean age=54.44 yr) took part in this study. Participants randomly performed three different tasks on the stable and unstable surfaces. The no mental task was to stand while holding a 100 g weight in each hand, the arithmetic task (mental task) was to perform a silent 1-backwards counting while standing and holding a 100 g weight in each hand, and the simple task (mental task) was to stand and hold with both hands a tray (200 g) on which a glass filled with water has been placed. Sway path and sway velocity of the center of pressure (COP) were measured to assess standing postural control by task performance using the force platform. According to the results, in stroke group, total sway path and total sway velocity of COP was significantly decreased during arithmetic and simple task compared to no mental task on the stable surface (p<.05), and sway path (anteroposterior AP, mediolateral ML) of COP, total and sway velocity (AP, ML, total) of COP was significantly decreased during arithmetic and simple task compared to no mental task on the unstable surface (p<.05). Especially, sway path (AP, total) of COP and sway velocity (AP, ML, total) of COP was significantly decreased under the simple task when compared to the arithmetic task on the unstable surface (p<.05). In healthy control group, sway path (AP, ML, total) of COP and sway velocity (AP, ML, total) of COP was significantly decreased during arithmetic and simple task compared to no mental task on the stable and unstable surface (p<.05), and sway path (AP, total) of COP and sway velocity (AP, ML, total) of COP was significantly decreased under the simple task when compared to the arithmetic task on the unstable surface (p<.05). In conclusion, the findings of this study showed that arithmetic and simple task improved standing postural control for chronic stroke patients and the type of arithmetic and simple tasks were critical factor that reduced standing postural sway in dual-task conditions. Future research should determine whether dual-task conditions, including simple task, would be effective as a training program for standing postural control of stroke patients.
#Dual task #Postural control #Stroke.

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참고문헌 (25)

참고문헌 신청
Andersson G / 1998 / A dual-task study of interference between mental activity and control of balance / Am J Otol. 19 (5) : 632 ~ 637 google schola Balasubramaniam R / 2002 / The dynamics of standing balance / Trends Cogn Sci. 6 (12) : 531 ~ 536 google schola Baratto L / 2002 / A new look at posturographic analysis in the clinical context: Sway-density versus other parameterization techniques / Motor Control. 6 (3) : 246 ~ 270 google schola Bensoussan L / 2007 / Changes in postural control in hemiplegic patients after stroke performing a dual task / Arch Phys Med Rehabil. 88 (8) : 1009 ~ 1015 google schola Dault MC / 2003 / Does articulation contribute to modifications of postural control during dual-task paradigms? / Brain Res Cogn Brain Res. 16 (3) : 434 ~ 440 google schola

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