Ambulatory monitoring of arm movement using accelerometry: An objective measure of upper-extremity rehabilitation in persons with chronic stroke

被引:172
作者
Uswatte, G [1 ]
Foo, WL [1 ]
Olmstead, H [1 ]
Lopez, K [1 ]
Holand, A [1 ]
Simms, LB [1 ]
机构
[1] Univ Alabama Birmingham, Dept Psychol, Birmingham, AL 35294 USA
来源
ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION | 2005年 / 86卷 / 07期
关键词
arm; monitoring; ambulatory; rehabilitation; stroke; treatment outcome;
D O I
10.1016/j.apmr.2005.01.010
中图分类号
R49 [康复医学];
学科分类号
100215 [康复医学与理疗学];
摘要
Objective: To evaluate the reliability and validity of accelerometry for measuring upper-extremity rehabilitation outcome. Design: Validation study. Setting: Data recorded in the community. Participants: Consecutive Constraint-Induced Movement therapy (CIMT) patients (n=10) and volunteer community residents with stroke (n = 10). All participants were more than I year poststroke and had mild to moderate motor impairment of the more affected arm. Intervention: All study participants were asked to wear accelerometers outside the laboratory for 3 days immediately before and after treatment, or for an approximately equivalent no-treatment period (controls). Main Outcome Measures: Participants wore an accelerometer on each arm, the chest, and the more affected leg and completed the Motor Activity Log (MAL), which is a semi-structured interview of real-world arm use. Results: Test-retest reliability of transformed accelerometer recordings was greater than .86. There was also a large increase in the ratio of transformed more- to less-impaired arm recordings in CIMT therapy patients (d'=0.9, P <.05), while there was no change for controls. The correlation between this parameter and the MAL was .74 (P <.001). Conclusions: Accelerometry provides an objective, realworld index of upper-extremity rehabilitation outcome and has good psychometric properties.
引用
收藏
页码:1498 / 1501
页数:4
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