지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
The purpose of this study was to investigate the effect of performing a cognitive task during treadmill walking on the stride rate variability. Ten university students(age 24.0 ± 0.25, height 172 ± 3.1cm, weight 66 ± 5.3kg) were participated in dual task experiments which consist of both walking alone and walking with a cognitive task. Two-back task was selected for the cognitive task since it did not have learning effect during the experimental procedure. 3D motion analysis system was used to measure subject's position data by changing walking speed with 4.8, 5.6, 6.4, 6.8, and 7.2 km/hr. Stride rate was calculated by the time between heel contact and heel contact. Accuracy rate of a cognitive task during walking, coefficient of variance, allometric scaling methods and Fano factor were used to estimated the stride rate variability. As the walking speed increased, accuracy rate decreased and the logarithmic value of Fano factor increased which showed the statistical difference. Thus it can be concluded that the gait control mechanism is distracted by the secondary attention focus which is the cognitive task ie. two-back task. Further study is needed to clarify this by increasing the number of subject and experiment time.
목차
등록된 정보가 없습니다.
참고문헌 (15)
참고문헌 신청
/ 1980 / Assessment of signal and noise in the kinematics of normal in Proc. the Special Conference of the Canadian Society for Biomechanics : 92 ~ 93
/ 1981. / Psychophysiology of self-awareness during vigorous physical activity Research Quarterly for Exercise and Sport 52 : 385 ~ 427
/ 1998. / A kinematic comparison of overground and treadmill walking 13 (6) : 434 ~
/ 1999. / Allometric control, Inverse power laws and Human gait" Chaos, Solitons & Fractals, 10 (9) : 1519 ~ 1527
/ 2000. / Algorithms to determine event timing during normal walking using kinematic data J. of Biomechanics 33 (6) : 783 ~ 786
/ 1981. / Psychophysiology of self-awareness during vigorous physical activity Research Quarterly for Exercise and Sport 52 : 385 ~ 427
/ 1998. / A kinematic comparison of overground and treadmill walking 13 (6) : 434 ~
/ 1999. / Allometric control, Inverse power laws and Human gait" Chaos, Solitons & Fractals, 10 (9) : 1519 ~ 1527
/ 2000. / Algorithms to determine event timing during normal walking using kinematic data J. of Biomechanics 33 (6) : 783 ~ 786
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