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The authors determined the postural muscle response to support surface perturbations, in relation to aging and level of stability of 16 young adults and 32 older adults who were classified into stable (SOA) and unstable (UOA) groups on the basis of their functional balance abilities. Forward and backward support surface translations of various amplitudes(More)
BACKGROUND Chinese older people have approximately half the risk of falling as their white counterparts, but no studies to date have explained why such a disparity exists. METHODS A total of 692 Chinese and 764 white community-dwelling older people participated in a multicohort study conducted in Taiwan, Hong Kong, and Australia. Baseline measurements(More)
Aging is widely considered to be associated with limited balance capacity. It is not clear if forward reach ability is also affected by aging. The purpose of this study was to determine if aging was associated with reduced ability of forward reach or changes in movement patterns. Thirty-three young and 31 older adults were instructed to reach forward as far(More)
Plantar cutaneous afferent provides information about the contact between the body and the support surface and could affect the anticipatory postural adjustments (APAs). This study investigated the effect of plantar desensitization on the APAs for step initiation. Twenty-five healthy young adults participated in this study and were instructed to begin(More)
BACKGROUND AND AIMS The Timed up and Go Test (TUG) is recommended as a screening tool for fall risk in older people. It is assumed that this general mobility test is underpinned by physiological factors such as strength, coordination and balance. However, no studies have examined the range of physiological and psychological factors which influence(More)
This study investigated the relationships between types of activity and quality of life (QOL) for older men and women at different ages. Based on cross-sectional data that included 220 community-dwelling elderly persons aged 65 and older in southern Taiwan, the results showed that the participation rates in many activities declined with age for both(More)
  • Sang-I Lin
  • 2005
OBJECTIVES To determine the association between joint position sense (JPS) and motor function of the lower extremity and gait performance of patients with chronic stroke. DESIGN Single-group cross-sectional design. SETTING University gait laboratory. PARTICIPANTS Twenty-one patients with stroke onset of more than 6 months. INTERVENTIONS Not(More)
The functional reach test (FRT) is a reliable and frequently used test to measure dynamic balance ability clinically. However, it is not clear if reach strategy would affect the association between reach distance and dynamic balance. The purpose of this study was to investigate the extent to which reach distance reflected dynamic balance in different(More)
OBJECTIVES Postural disturbances can arise from performing functional tasks and from external perturbations. Identification of sensorimotor factors associated with both types of balance control in the elderly can help us to understand better the balance problems facing older adults. DESIGN Cross-sectional. SUBJECTS Healthy young, stable older, and(More)
BACKGROUND AND AIMS Aging is frequently accompanied by a deterioration in postural control, but it is not clear whether the primary contributor is increasing age or a progressive loss of functional balance capacity. The purpose of this study was to test the hypothesis that functional balance capacity contributes more than age to changes in postural response(More)