Evaluation of Anticipatory Postural Adjustment before Quantified Weight Shifting—System Development and Reliability Test
Source abstract
Abstract
Anticipatory postural adjustment (APA) existed before a self-induced perturbation is an important motor control skill for balance and gait initiation, but cannot be easily monitored. During proactive balance test, a self-initiated weight shifting is produced. This might be an optimal paradigm for APA measurement. The purpose of this study was to investigate if APAs existed in the proactive balance test which consists of quantifiable weight shifting. The feature and reliability of the APAs were also evaluated. We firstly built a proactive balance test program on the commercially available Wii balance board. The program could generate adjustable target direction and distance for guiding subjects performing quantifiable weight shifting. The center of pressure (COP) was recorded and analyzed for balance-related variables (path length, path time, and direction error) and APA-related variables (APA time, APA distance, and APA correction). The results showed that APAs could be detected in every testing trial. Adequate to good reliability in both balance and APA-related variables were found. This study proved the feasibility of quantifying APA during proactive balance tests and its feasibility for clinical- and home-based measurements.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Balance, Gait, and Falls Prevention · Effects of Vibration on Health · Cerebral Palsy and Movement Disorders
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Mechanical Engineering, College of Engineering, Chang Gung University, Taoyuan 333, Taiwan
Healthy Aging Research Center, Chang Gung University, Taoyuan 333, Taiwan
Department of Mechanical Engineering, Ming Chi University of Technology, New Taipei City 243, Taiwan
Department of Neurology, Chang Gung Memorial Hospital, Linkou, Taoyuan 333, Taiwan
School of Medicine, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan
Neuroscience Research Center, Chang Gung Memorial Hospital, Linkou, Taoyuan 333, Taiwan
Engineering Program, Loyola University Chicago, Chicago, IL 60660, USA
Department of Electrical Engineering, College of Engineering, Chang Gung University, Taoyuan 333, Taiwan
School of Physical Therapy and Graduate Institute of Rehabilitation Science, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan
Funding
Ministry of Science and Technology, Taiwan · Chang Gung Memorial Hospital, Linkou · Chang Gung University
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