SICE東北支部研究集会資料(2012年)

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1 273 ( ) Relation between calculation task load and gait parameter during dual-task Yuta Tsushima, Manami Shibata Koichi Sagawa * *Hirosaki Univresity graduate school science and technogy studies graduate course : (dual-task) (calculation task) (gait parameter) (Acceleration) (Acceleration) : Tel./Fax.: (0172) h11gs622@stu.hirosaki-u.ac.jp 1. 1) 2) Lundin-Olsson 3) (dual-task : DT) 4 8) ( ) 9) 1 9) 1

2. 2.1 ( 3D ) 3 (FreescaleSemiconductor, MMA7260Q, 6[G])2 (Invensense IDG-300, 500[deg/s]) 1 (Analog Devices,ADXRS300, 300[deg/s]) (Acceleration: Acc[m/s 2 ]) (Angular Velocity: AV[deg/s]) (Logomatic

2 ( 3D ) 3 (FreescaleSemiconductor, MMA7260Q, 6[G])2 (Invensense IDG-300, 500[deg/s]) 1 (Analog Devices,ADXRS300, 300[deg/s]) (Acceleration: Acc[m/s 2 ]) (Angular Velocity: AV[deg/s]) (Logomatic ver.1.0, Sparkfun Electronics)(Fig.2) 3D SD(SHA RPIS05) 100[Hz] Fig.13D 1 () (Rating) (Sign) easynormalhard 3 easy 1 normaleasy hard easyhard Fig. 1 Flow chart of verbal signal. Fig. 2 Data logger Fig ( ) (1) 1 2

3 (1) (Calculation Task: CT) () (2) 100[m] (Single- Task: ST) 3D 3D (SL: Stride Length[m]) (WC: Walking Cycle[s]) (V: Velocity[m/s]) (Peak: Tiptoe height[m]) (Deg.max [deg]deg.min [deg]) 6 (Fig.4) (3) (2) (Dual-Task: DT) (2) 3D 20 (Before Answer: BA) (During Answer: DA) 20 (After Answer: AA) 20 (, Fig. 3 Calculation application Fig. 4 Gait parameters ) AccAVSLWC VPeakDeg.maxDeg.min Excel V SLWC Excel V = SL/WC[m/s] (1) 1 DT BADAAA 3

4 3. 1 BADAAA 1 Fig.5 Easy 3 Fig.5 DA BA AA BADAAA Fig.6 Fig.6 SLVDeg.max DA WC BA DA DT DA DA R Fig.7 Fig.11 Table1Table2 Fig.7 1 Deg.max SLVPeak V Easy CT DT V BA: Before AnswerDA: During Answer AA: After Answer Fig. 5 Example of gait parameters during dual-task walking of calculation for 1 subject. BA: Before AnswerDA: During Answer AA: After Answer Fig. 6 Example of gait parameters during dual-task walking of calculation for 1 subject. 4. 3D 4

5 Table 1 Result of easy calculation Table 2 Result of hard calculation : RatingEasy, : RatingHard, : SignEasy : SignHard Fig. 8 Gait parameters and answer time of subject 2. : RatingEasy, : RatingHard, : SignEasy : SignHard Fig. 7 Gait parameters and answer time of subject 1. : RatingEasy, : RatingHard, : SignEasy : SignHard Fig. 9 Gait parameters and answer time of subject 3. 5

6 : RatingEasy, : RatingHard, : SignEasy : SignHard Fig. 10 Gait parameters and answer time of subject 4. : RatingEasy, : RatingHard, : SignEasy : SignHard Fig. 11 Gait parameters and answer time of subject 5. SL WC V SL WC V 1) :, ) :.Vol15 No ) Lundin-Olsson L, Nyberg L, Gustafson Y: Stops walking when talking as a predictor of falls in elderly people, 1997, 349,617 4) Beauchet ODubost V Fonthier R : Dualtask-related gait changes in transrationally frail older adults : the type of the walkingassociated cognitive task matters Gerontology ) Hollman JHKovash FM Kubin JJ : Agerelated difference in stride-to-stride variability during dual task walking: apilot study J Geriatric Physical Therapy ) Schrodt LAMercer VSGiuliani CA : Characteristics of stepping over an obstacle in community dwelling older adults under dual-task condition Gait Posture ) Woolacott MShumway-Cook A : Attention and the control of posture and gait: a review of an emerging area of reserch Gait Posture ) : ) : 48 (CD-ROM) 49/54(2007) 6

SICE東北支部研究集会資料(2012年)

SICE東北支部研究集会資料(2012年) 273 (212.6.29) 273-5 Motion measurement of nordic walking using inertial sensor, Takuya Tateyama, Koichi Sagawa * *Graduate School of Science and Technology Hirosaki University : (inertial sensor), (motion