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Articles 31 - 37 of 37
Full-Text Articles in Biomechanics
Longitudinal Tracking Of Physiological State With Electromyographic Signals., Robert Warren Stallard
Longitudinal Tracking Of Physiological State With Electromyographic Signals., Robert Warren Stallard
Electronic Theses and Dissertations
Electrophysiological measurements have been used in recent history to classify instantaneous physiological configurations, e.g., hand gestures. This work investigates the feasibility of working with changes in physiological configurations over time (i.e., longitudinally) using a variety of algorithms from the machine learning domain. We demonstrate a high degree of classification accuracy for a binary classification problem derived from electromyography measurements before and after a 35-day bedrest. The problem difficulty is increased with a more dynamic experiment testing for changes in astronaut sensorimotor performance by taking electromyography and force plate measurements before, during, and after a jump from a small platform. A …
Circadian Rhythms And Stride-To-Stride Fluctuations: Is There A Connection ?, Joao R. Vaz
Circadian Rhythms And Stride-To-Stride Fluctuations: Is There A Connection ?, Joao R. Vaz
UNO Student Research and Creative Activity Fair
Several physiological systems exhibit rhythmic changes over the course of 24h. A disruption in the CR is thought to represent a risk to the human’s health (e.g., cardiac risk, diabetes). Aging and neurological diseases are known to be characterized by an increased likelihood of circadian disruption. Recently, balance and gait have been shown to exhibit diurnal variations, suggesting a possible influence of CR. Gait is also characterized by a certain level of stride-to-stride fluctuations. In addition, a breakdown in the temporal structure of these fluctuations has recently been associated with aging and neurological diseases. Therefore, it is likely that a …
Standing Posture Is Reliable Across Days And Weeks In Healthy, Young Adults, Jordan Wickstrom
Standing Posture Is Reliable Across Days And Weeks In Healthy, Young Adults, Jordan Wickstrom
UNO Student Research and Creative Activity Fair
This paper tests how reliable (consistent) posture is across consecutive days and weeks.
Trunk Stability And Postural Stability In People With Multiple Sclerosis, Derek Tolbert
Trunk Stability And Postural Stability In People With Multiple Sclerosis, Derek Tolbert
Electronic Theses and Dissertations
Multiple Sclerosis is a neurological disease which affects an estimated 2.5million people worldwide. People with Multiple Sclerosis often experience high rates of falls, which have been associated with age, disability, and increased postural sway. Additionally, people with Multiple Sclerosis often exhibit muscular weakness and poor responses to perturbations. PURPOSE: To determine if trunk stability and postural control are altered among PwMS and if trunk muscle activity is correlated with postural stability. METHODS: Ten participants with a physician's diagnosis of Multiple Sclerosis (9 female, 1 male) were included in this study. Ten healthy controls were matched for age, height, weight, and …
Muscle Synergy During A Single Leg Standing Test In Ambulatory Children With Cerebral Palsy, Brennan L. Smith
Muscle Synergy During A Single Leg Standing Test In Ambulatory Children With Cerebral Palsy, Brennan L. Smith
Theses and Dissertations--Kinesiology and Health Promotion
INTRODUCTION: Cerebral Palsy (CP) is a sensorimotor disorder characterized by dysfunctional motor coordination, balance problems, and loss of selective motor control. Motor coordination exhibited as co-contraction, has been subjectively quantified using gait analysis, but recent studies have begun to objectively analyze the amount of co-contraction by collecting electromyography (EMG) data. Center of pressure excursion (COPE) measurements collected during a single leg standing test (SLST) have shown to be more valid measurements of balance in populations with motor disabilities than a SLST alone. A recent study has correlated increased COPE velocity with a lower fall risk as determined by reported fall …
Changes In Reach To Eat Movement Control After Intensive Training For Children With Unilateral Cerebral Palsy, Yaching Hung, Aryeh D. Spingarn
Changes In Reach To Eat Movement Control After Intensive Training For Children With Unilateral Cerebral Palsy, Yaching Hung, Aryeh D. Spingarn
Publications and Research
Ya Ching Hung EdD. and Aryeh Spingarn EP-C, CSCS, EIM-Level 2 Queens College, City University of New York Department of Family, Nutrition, and Exercise Sciences, Changes in Reach to Eat Movement Control After Intensive Training for Children with Unilateral Cerebral Palsy. Purpose: The current study compares the effects of an intervention on children with Congenital Hemiplegia during a simple eating task using kinematic analyses. Previous studies looked at simple bimanual tasks such as opening a drawer; no studies examined the effects of intensive training on unimanual reach, grasp, and eat movement control. Methods: 20 children with Unilateral Spastic Cerebral Palsy …
Relationships Between Throwing Velocity And Selected Kinematics In Youth Baseball Players, Nick Hedgecock
Relationships Between Throwing Velocity And Selected Kinematics In Youth Baseball Players, Nick Hedgecock
EWU Masters Thesis Collection
Research investigating baseball position players has been limited primarily to pitchers. The current study examined several kinematic variables and their relationship with ball velocity in middle and high school-aged baseball players using two-dimensional (2D) motion analysis. The purpose of this study was to investigate these relationships using 2D motion analysis and compare these results to those reported in the literature using 3D analysis. Thirteen baseball players (15.31 ± 1.25 yrs., 72.29 ± 10.79 kg and 177.09 ± 5.59 cm tall) participated in the study. A video camera was used to record three throwing trials for each participant. Four reflective markers …