This study examines the predictive ability of fall risks among community dwelling elderly using wearable wireless sensors. Forty-eight community-dwelling elderly (17 non-fallers and 31 fallers) participated in the study. Timed up and go test, sit-to-stand test and ten-meter walking test were carried out. Activitiesspecific Balance Confidence (ABC) Scale was also obtained. The results showed fai...

This study examines the predictive ability of fall risks among community dwelling elderly using wearable wireless sensors. Forty-eight community-dwelling elderly (17 non-fallers and 31 fallers) participated in the study. Timed up and go test, sit-to-stand test and ten-meter walking test were carried out. Activitiesspecific Balance Confidence (ABC) Scale was also obtained. The results showed fai...

mean systolic endocardial velocity (SEV) was 4.1 + 0.7 cm/sec, and the systolic endocardial excursion (SEE) was 1.4 + 0.3 cm. The maximal diastolic endocardial velocity (DEVM) was 18 3 cm/ sec, and the mean early diastolic endocardial velocity (DEV) was 9.4 + 1.7 cm/sec. Exercise in 20 normals caused a significant increase in SEVM, SEV, DEVM, and DEV, but not SEE. In no instance did any of thes...

Poor balance in older persons contributes to a rise in fall risk and serious injury, yet no consensus has developed on which measures of postural sway can identify those at greatest risk of falling. Postural sway was measured in 161 elderly individuals (81.8y±7.4), 24 of which had at least one self-reported fall in the prior six months, and compared to sway measured in 37 young adults (34.9y±7....

Dual-task tests can identify gait characteristics peculiar to fallers and nonfallers. Understanding the relationship between gait performance and dual-task related cognitive-motor interference is important for fall prevention. Dual-task adapted changes in gait instability/variability can adversely affect fall risks. Although implicated, it is unclear if healthy participants' fall risks are modi...

This research program examined the interaction of conducting materials with magnetic fields through a series of experiments, the development of analytical models and the development and testing of numerical models. The experiments were a series of drop tests of conducting spheres through strong magnetic field gradients and were used for the development and validation of the analytical and numer...

A novel method for calculation of the motion and radiation reaction for the two-body problem (body plus particle, the small parameter m/M being the ratio of the masses) is presented. In the background curvature given by the Schwarzschild geometry rippled by gravita-tional waves, the geodesic equations insure the presence of radiation reaction also for high velocities and strong field. The metho...