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Deteriorated balance control is the most frequent cause of falls and injuries in the elderly. Balance control comprises a complex interplay of several underlying systems (ie, the sensory systems, the motor system, and the nervous system). Available clinical balance tests determine the patient's ability to maintain standing balance under defined test(More)
BACKGROUND Age-related differences in standing balance are not detected by testing the ability to maintain balance. Quality of standing balance might be more sensitive to detect age-related differences. OBJECTIVE To study age-related differences in quality of standing balance, center of pressure (CoP) movement was evaluated using a wide range of CoP(More)
Impaired balance may limit mobility and daily activities, and plays a key role in the elderly falling. Maintaining balance requires a concerted action of the sensory, nervous and motor systems, whereby cause and effect mutually affect each other within a closed loop. Aforementioned systems and their connecting pathways are prone to chronological age and(More)
To keep balance, information from different sensory systems is integrated to generate corrective torques. Current literature suggests that this information is combined according to the sensory reweighting hypothesis, i.e., more reliable information is weighted more strongly than less reliable information. In this approach, no distinction has been made(More)
OBJECTIVES Assessment of the association of muscle characteristics with standing balance is of special interest, as muscles are a target for potential intervention (ie, by strength training). DESIGN Cross-sectional study. SETTING Geriatric outpatient clinic. PARTICIPANTS The study included 197 community-dwelling elderly outpatients (78 men, 119 women;(More)
BACKGROUND Evidence is emerging that cognitive performance is involved in maintaining balance and thereby involved in falls in the elderly. OBJECTIVE To investigate the association of cognitive status with measures of standing balance in elderly outpatients. METHODS In a cross-sectional study, 197 community-dwelling elderly [mean age (SD) 81.9 (7.1)(More)
Walking speed is shown to be an important indicator of the health status and function in older adults and part of the comprehensive geriatric assessment in clinical practice. The present study aimed to assess the influence of different assessment methods on walking speed and its association with the key aspects of poor health status, i.e., the presence of(More)
OBJECTIVES Assessment of the association of blood pressure measurements in supine and standing position after a postural change, as a proxy for blood pressure regulation, with standing balance in a clinically relevant cohort of elderly, is of special interest as blood pressure may be important to identify patients at risk of having impaired standing balance(More)
With sensory reweighting, reliable sensory information is selected over unreliable information during balance by dynamically combining this information. We used system identification techniques to show the weight and the adaptive process of weight change of proprioceptive information during standing balance with age and specific diseases. Ten healthy young(More)
OBJECTIVES System identification techniques have the potential to assess the contribution of the underlying systems involved in standing balance by applying well-known disturbances. We investigated the reliability of standing balance parameters obtained with multivariate closed loop system identification techniques. METHODS In twelve healthy elderly(More)