Medicine and Health Sciences Commons^™

Measurement Of And Contributors To Developmental Coordination Impairment, Jeffrey D. Konrad

WUSM Theses and Dissertations – All Programs

Movement drives childhood development. As motor skills improve across development, a child becomes capable of greater interactions with their physical and social environment. Children with motor impairments miss out on these interaction opportunities and their development across a variety of domains can suffer. There is accumulating evidence that poor motor competence relates to an array of developmental outcomes such as educational achievement, reading skills, social development, and emotional regulation. Two developmentally important motor impairments are poor motor competence and hyperactivity which are associated with Autism Spectrum Disorder (ASD), Developmental Coordination Disorder (DCD), and/or Attention Deficit Hyperactivity Disorder (ADHD). Critical to …

Lifelong Fitness In Ambulatory Children And Adolescents With Cerebral Palsy Ii: Influencing The Trajectory, Susan V. Duff, Justine D. Kimbel, Marybeth Grant-Beuttler, Theresa Sukal-Moulton, Noelle G. Moreau, Kathleen M. Friel

School of Allied Health Professions Faculty Publications

Physical activity of at least moderate intensity in all children contributes to higher levels of physical and psychological health. While essential, children with cerebral palsy (CP) often lack the physical capacity, resources, and knowledge to engage in physical activity at a sufficient intensity to optimize health and well-being. Low levels of physical activity place them at risk for declining fitness and health, contributing to a sedentary lifestyle. From this perspective, we describe a framework to foster a lifelong trajectory of fitness in ambulatory children with CP (GMFCS I–III) as they progress into adolescence and adulthood, implemented in conjunction with a …

Lifelong Fitness In Ambulatory Children And Adolescents With Cerebral Palsy Ii: Influencing The Trajectory, Susan V. Duff, Justine D. Kimbel, Marybeth Grant-Beuttler, Theresa Sukal-Moulton, Noelle G. Moreau, Kathleen M. Friel

Physical Therapy Faculty Articles and Research

Physical activity of at least moderate intensity in all children contributes to higher levels of physical and psychological health. While essential, children with cerebral palsy (CP) often lack the physical capacity, resources, and knowledge to engage in physical activity at a sufficient intensity to optimize health and well-being. Low levels of physical activity place them at risk for declining fitness and health, contributing to a sedentary lifestyle. From this perspective, we describe a framework to foster a lifelong trajectory of fitness in ambulatory children with CP (GMFCS I–III) as they progress into adolescence and adulthood, implemented in conjunction with a …

The Effect Of High Fraction Of Inspired Oxygen On Human Motor Learning Processes, Zheng Wang

LSU Doctoral Dissertations

Human motor learning processes are fundamental for our daily activities and can be adversely affected by neurologic conditions. Motor learning largely depends on successfully integrating cognitive and motor-related sensory information. A simple, easily accessible treatment that could enhance these learning processes would be exciting and clinically impactful. In this dissertation, we explore the effect of normobaric 100% oxygen treatment (NbOxTr) during different motor learning tasks and investigate the brain oxygenation changes during the process. In the visuomotor adaptation task (VMA), when participants adapted to a visual distortion between visual feedback and hand movements, participants with NbOxTr exhibited better movement planning …

General Variability Leads To Specific Adaptation Toward Energy Optimal Policies, Sabrina J. Abram, Katherine L. Poggensee, Natalia Sánchez, Surabhi N. Simha, James M. Finley, Steven H. Collins, J. Maxwell Donelan

Physical Therapy Faculty Articles and Research

Our nervous systems can learn optimal control policies in response to changes to our bodies, tasks, and movement contexts. For example, humans can learn to adapt their control policy in walking contexts where the energy-optimal policy is shifted along variables such as step frequency or step width. However, it is unclear how the nervous system determines which ways to adapt its control policy. Here, we asked how human participants explore through variations in their control policy to identify more optimal policies in new contexts. We created new contexts using exoskeletons that apply assistive torques to each ankle at each walking …

Direction Of Attentional Focus In Prosthetic Training: Current Practice And Potential For Improving Motor Learning In Individuals With Lower Limb Loss, Alexander Bonczyk, Maria Katrina Tillada Dimapilis, Sarah Partridge, Samantha Ruiz

UNLV Theses, Dissertations, Professional Papers, and Capstones

Objective: Adopting an external focus of attention has been shown to benefit motor performance and learning. However, the potential of optimizing attentional focus for improving prosthetic motor skills in lower limb prosthesis (LLP) users has not been examined. In this study, we investigated the frequency and direction of attentional focus embedded in the verbal instructions in a clinical prosthetic training setting.

Methods: Twenty-one adult LLP users (8 female, 13 male; 85% at K3 level; mean age=50.5) were recruited from prosthetic clinics in the Southern Nevada region. Verbal interactions between LLP users and their prosthetists (mean experience=10 years, range=4-21 years) during …

Using Asymmetry To Your Advantage: Learning To Acquire And Accept External Assistance During Prolonged Split-Belt Walking, Natalia Sánchez, Surabhi N. Simha, J. Maxwell Donelan, James M. Finley

Physical Therapy Faculty Articles and Research

People can learn to exploit external assistance during walking to reduce energetic cost. For example, walking on a split-belt treadmill affords the opportunity for people to redistribute the mechanical work performed by the legs to gain assistance from the difference in belts’ speed and reduce energetic cost. Though we know what people should do to acquire this assistance, this strategy is not observed during typical adaptation studies. We hypothesized that extending the time allotted for adaptation would result in participants adopting asymmetric step lengths to increase the assistance they can acquire from the treadmill. Here, participants walked on a split-belt …

Effect Of Motor Imagery On Children With Developmental Disabilities, J. Bonner, Ots, L. Finnegan, Ots, V. Leonard, Ots, M. Scuderi, Ots, A. Shacklett, Ots, J. Thiel, Ots, M.-C. Potvin, Phd, Otr/L

Student Papers, Posters & Projects

This systematic review provides a comprehensive summary of current research evidence with the intent to help OTs working in pediatric settings understand the potential outcomes of using MI with children with DD.

Motor Learning And Adaptation In People With Knee Osteoarthritis And Chronic Pain, Heather Turcotte, Katherine S. Rudolph

Osteopathic Medicine Student Research Posters

Osteoarthritis (OA) affects an estimated 50 million people in the US, and approximately 43% have limitations in daily function due to arthritis pain.3 Individuals with knee osteoarthritis (OA) have heightened sensitization to pain2,5 as well as reduced strength, diminished function and quality of life1 that prompts them to seek care from health care providers. Physical therapists commonly work with patients to improve function and quality of life by helping them learn to move without pain. Unfortunately, chronic pain causes changes to the nervous system that may impact the ability to learn new ways but the extent to which chronic pain …

Can Simple Postural Instructions Modify Running Forms In Recreational Runners, Casey Gray, Matthew Poggemiller, Ian Tracy

UNLV Theses, Dissertations, Professional Papers, and Capstones

Purpose/Hypothesis: Recent research suggests that alteration of trunk angle and foot strike pattern during running may result in beneficial changes that prevent running related injuries due to reduction in vertical ground reaction forces (vGRF). For example, running form emphasizing a forward trunk lean and a midfoot or forefoot strike pattern has been shown to be effective in reducing knee stress and the risks of other impact-related running injuries. In clinical practice however, it is currently unknown if simple postural cues given to runners can elicit motor learning that leads to modification of running form. The purpose of this study was …

Blended Approach To Occupational Performance (Baop): Guidelines Enabling Children With Autism, Jordan M. Skowronski, Jack R. Engsberg

The Open Journal of Occupational Therapy

The performance of daily activities is impacted by motor impairments in children with autism spectrum disorders (ASD). Research has recently demonstrated the prevalence and specificity of motor impairments in people with ASD. The motor learning of individuals with ASD is partially intact, and evidence suggests that a method to alter skill learning and repeated practice of motor sequences might be beneficial. Aiming to use this knowledge to guide occupational therapy interventions, initial guidelines for children with ASD blended Cognitive Orientation to daily Occupational Performance (CO-OP) with virtual reality (VR) were created. An expert panel reviewed the initial guidelines. The results …

Examining The Impact On Praxis For Children With Sensorimotor Deficits, Sara Elizabeth Durham

Online Theses and Dissertations

The aim of this study was to discover how a movement program, utilizing principles of dance and sensory integration, effects motor and sensory outcomes for children with sensorimotor impairments. Participants' motor performance was assessed using the Bruininks-Oseretsky Test of Motor Proficiency prior to and following participation in the movement program. Additionally, sensory function was assessed using the Child Sensory Profile prior to participation, and sensory modulation was tracked throughout the program. This short-term, intensive program followed a protocol based on sensory integration principles and theories of motor learning. The analysis demonstrated the change in motor performance to be statistically significant, …

A Novel Cognitive Cueing Approach To Gait Retraining In Parkinson’S Disease: A Pilot Study, Stephanie Morrison, Sandi Spaulding, Jeff Holmes, Mary Jenkins

The Open Journal of Occupational Therapy

Background: Parkinson’s disease (PD) impairs gait performance, which can lead to falls and decreased quality of life. This study examined the feasibility of implementing a novel home-based intervention designed to elicit gait improvement in individuals with PD.

Methods: Five participants with PD completed a two-week home-based gait retraining intervention designed around guided video feedback. Semi-structured interviews were conducted postintervention and two months postintervention to acquire feedback from the participants about their experience with the intervention. Spatiotemporal parameters of gait and functional mobility were assessed pre and postintervention and at two months postintervention.

Results: Participants reported high levels of usability …

Gait Retraining In Parkinson’S Disease: A Cognitive Cueing Approach, Stephanie J. Morrison

Electronic Thesis and Dissertation Repository

Parkinson’s disease (PD) is characterized by resting tremor, bradykinesia, rigidity, and postural instability. These cardinal symptoms commonly affect gait performance and therefore researchers have been investigating techniques to manage and treat gait impairment in individuals with PD. This thesis explores a progressive approach to gait rehabilitation using a novel intervention that combines traditional gait cueing techniques with motor learning approaches to facilitate self-cued gait improvement. Five participants with PD-related gait impairment completed the home-based gait training intervention. This intervention included video footage of each individual participant walking with and without verbal instructional cues, audio coaching, and practice periods. Participants were …

Applying Principles Of Motor Learning And Control To Upper Extremity Rehabilitation, Lisa M. Muratori, Eric M. Lamberg, Lori Quinn, Susan V. Duff

Physical Therapy Faculty Articles and Research

The purpose of this article is to provide a brief review of the principles of motor control and learning. Different models of motor control from historical to contemporary are presented with emphasis on the Systems model. Concepts of motor learning including skill acquisition, measurement of learning, and methods to promote skill acquisition by examining the many facets of practice scheduling and use of feedback are provided. A fictional client case is introduced and threaded throughout the article to facilitate understanding of these concepts and how they can be applied to clinical practice.

Mechanisms Of The Contextual Interference Effect In Individuals Poststroke, Nicolas Schweughofer, Jeong-Yoon Lee, Hui-Ting Goh, Youggeun Choi, Sung Shin Kim, Jill Campbell Stewart Pt,Phd, Rebecca Lewthwaite, Carolee J. Winstein

Faculty Publications

Although intermixing different motor learning tasks via random schedules enhances long-term retention compared with “blocked” schedules, the mechanism underlying this contextual interference effect has been unclear. Furthermore, previous studies have reported inconclusive results in individuals poststroke. We instructed participants to learn to produce three grip force patterns in either random or blocked schedules and measured the contextual interference effect by long-term forgetting: the change in performance between immediate and 24-h posttests. Nondisabled participants exhibited the contextual interference effect: no forgetting in the random condition but forgetting in the blocked condition. Participants at least 3 mo poststroke exhibited no forgetting in …

The Effect Of Body Weight Support Treadmill Training On Walking Ability In Patients With Incomplete Spinal Cord Injury, Chien-Hsing Tseng

Rehabilitation Practice and Science

In modern health care systems that attach importance to acute treatment and health care, there is an increasing number of patients with incomplete spinal cord injury that have increased chance of regaining their ability to walk. However, how to effectively achieve this target of promoting the ability to walk is a question that must be urgently addressed by rehabilitation medicine and public health authorities. International research has already confirmed that body weight support treadmill training has a positive therapeutic effect on walking ability in patients with incomplete spinal cord injury, but in Taiwan not many relevant studies have been performed. …

A Comparative Analysis Of Two Gait Training Approaches For Individuals With Transtibial Amputation, Nannette Wright Hyland

Seton Hall University Dissertations and Theses (ETDs)

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Does Motor Lateralization Have Implications For Stroke Rehabilitation?, Robert L. Sainburg, Susan V. Duff

Physical Therapy Faculty Articles and Research

Recent findings on motor lateralization have revealed consistent differences in the control strategies of the dominant and nondominant hemisphere/limb systems that could have implications for hemiplegic stroke patients. Studies in stroke patients have demonstrated deficiencies in the ipsilesional arm that reflect these distinctions; patients with right-hemisphere damage tend to show deficits in positional accuracy, and patients with left-hemisphere damage show deficits in trajectory control. Such deficits have been shown to impede functional performance; yet patients with severe dominant-side hemiplegia must often use the nondominant arm as the primary manipulator for activities of daily living. Nevertheless, the nondominant arm may not …