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뇌졸중 환자에서 지팡이 종류에 따른 지팡이와 양발의 체중지지에 미치는 영향
정경심,정이정,Jung, Kyoung-Sim,Chung, Yi-Jung 대한물리치료학회 2012 대한물리치료학회지 Vol.24 No.2
Purpose: The purpose of this study was to analyze the weight bearing of the cane and foot for the different walking aids during walking. Methods: A total of 12 subjects (6 males, 6 female) with stroke were enrolled in the study. Foot sensor and an instrumented cane were integrated to analyze the vertical peak force on the foot and cane. Results: The vertical peak force applied on the quad cane gait resulted in a significantly higher rate, which was $10.60{\pm}6.48%$ of the body weight, when compared to that of mono cane gait which was $7.91{\pm}4.11%$. The results indicated significantly lower vertical peak force on the affected foot, without the help of a walking aid, as compared to that of walking with a cane (respectively, p<0.05). However, results showed that the differences in vertical peak force on the affected foot, between mono cane and quad cane, were not significant. Conclusion: In conclusion, the vertical peak forces were significantly greater, during a comparison between walking with a quad cane and walking with a mono cane. On the contrary, no significant difference in the vertical peak force on the affected foot between walking with quad cane and walking with a mono cane. Muscle activation pattern and walking pattern should be measured in future studies, to study the differences between walking with various walking aids in the lower and higher functioning hemiparetic subjects, as its use may mask underlying gait impairment.
요통 환자에서 앉은 자세가 척추 만곡과 체간 근 활성화에 미치는 영향
최문석(Moon-seok Choi),정이정(Yi-jung Chung),전혜원(Hye-won Jeon) 한국전문물리치료학회 2009 한국전문물리치료학회지 Vol.16 No.2
This study is performed to investigate the difference of the spinal stability system with and without low back pain. There were 9 participants with low back pain and 9 asymptomatic subjects to be recruited, they were measured thoracic and lumbar curvature, trunk muscle activation in upright sitting postures and slump sitting, back muscle endurance, and lumbar proprioception. Spinal curvature and surface electromyography of 4 trunk muscles were measured in an upright sitting postures and slump sitting in 18 subjects. The result of the study was that there were significant differences between the groups in spinal curvature (p<.05), significantly higher external oblique activity and less internal oblique in the low back pain group than the healthy subjects (p<.05), and significantly less proprioception in the low back pain group (p<.05). But there was not a significant difference between the trunk muscle endurance groups. According to the result, the low back pain group had greater thoracic extension and higher global muscle activity in the upright sitting posture and less proprioception. This study was useful to suggest postural training for normal muscle activation, selective muscle strengthening to prevent chronic deterioration, and helpful in making a treatment plan to indicate a synthetic care method that includes increasing proprioception.
만성 뇌졸중 환자의 기립 자세조절에 이중 과제가 미치는 영향
전혜원(Hye-won Jeon),정이정(Yi-jung Chung) 한국전문물리치료학회 2010 한국전문물리치료학회지 Vol.17 No.3
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 surlaces. 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 I-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 surlace (p<.05), and sway path (anteroposterior AP, mediolateral JVIL) of COP, total and sway velocity (AP, JVIL, total) of COP was significantly decreased during arithmetic and simple task compared to no mental task on the unstable surlace (p<.05). Especially, sway path (AP, total) of COP and sway velocity (AP, JVIL, total) of COP was significantly decreased under the simple task when compared to the arithmetic task on the unstable surlace (p<.05). In healthy control group, sway path (AP, JVIL, total) of COP and sway velocity (AP, JVIL, total) of COP was significantly decreased during arithmetic and simpIe task compared to no mental task on the stable and unstable surlace (p<.05), and sway path (AP, total) of COP and sway velocity (AP, JVIL, total) of COP was significantly decreased under the simple task when compared to the arithmetic task on the unstable surlace (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.
뇌졸중 환자의 체간 조절 수준이 균형과 보행 및 기능적 수행 능력에 미치는 영향
안승헌(Seung-heon An),정이정(Yi-jung Chung),박세연(Sei-yeon Park) 한국전문물리치료학회 2010 한국전문물리치료학회지 Vol.17 No.2
The aim of this study was to investigate correlations of the Trunk Control Test (TCT), Postural Assessment Scale for Stroke (PASS-TC), and Trunk Impairment Scale (TIS) and to compare the TCT, PASS-TC, TIS and its subscales in relation to balance, gait and functional performance ability after stroke. Sixty-two stroke patients attending a rehabilitation program participated in the study. Trunk control was measured with the use of TCT, PASS-TC, TIS balance (Berg Balance scale; BBS), gait ability (10 m walk test), functional performance ability (Timed Up and Go Test; TUG) and the mobility part of the Mdified Barthel index(MBI), Fugl Meyer-Upper/Lower Extremity (FM-U.L/E). The scatter-plot (correlation coefficient) was composed for the total scores of the TCT, PASS-TC, and TIS. The multiple regression analysis was performed to evaluate the impact of trunk control on balance, gait, and functional performance ability. Twenty eight participants (45.2%) and twenty participants (32.3%) obtained the maximum score on the TCT and PASS-TC respectively; no subject reached the maximum score on the Trunk Impairment Scale. There were significant correlations between the TIS and TCT (r=.38, p