Professor
Rehabilitation Sciences

Steven Morrison

2154 Health Sciences Building
Norfolk, 23529

Ph.D. in Motor Control, Pennsylvania State University, (1997)

Other in Motor Control and Biomechanics, Otago University, (1991)

B.S. in Physiology, Otago University, (1988)

Other in Motor Control, Biomechanics, Exercise Physiology, Otago University, (1988)

Contracts, Grants and Sponsored Research

Morrison, S. " Assessment of Motor Function in Older Adults with Parkinson’s disease." $70000. Local. November, 2017 - December, 2021
Audette, M. "Alzheimer's Association Research Grant Award " $150000. Private. March, 2017 - June, 2020
Morrison, S. "POISED (Precision Outreach Intervention, Screening, Surveillance and Exercise for Falls Prevention in Diabetes)" $9000.00 . Higher Education. July, 2017 - June, 2018
Morrison, S. "POISED (Precision Outreach Intervention, Screening, Surveillance and Exercise for Falls Prevention in Diabetes)" $485000. State. July, 2015 - June, 2018
Morrison, S. "Examination of The Foot Core System In Those With Plantar Fasciitis" $800.00 . Other. January, 2017 - December, 2017
Morrison, S. "Poised (Precision Outreach Intervention, Surveillence And Exercise For Falls Prevention Prince William)" $9000.00 . Higher Education. July, 2016 - June, 2017
Morrison, S. "Relation between Cognitive Function, Walking Ability and Balance for Adults with Autism Spectrum Disorders and Down’s syndrome" $10000. Old Dominion University. January, 2015 - June, 2016
Morrison, S. "Impact of Supervised vs. Home-Based Exercise Training on Gait, Balance, and Falls Risk in Type 2 Diabetes" $599999. Private. July, 2012 - June, 2016
Morrison, S. "Assessing and Preventing Falls in Multiple Sclerosis (MS): An Integrative Approach" $50000. Old Dominion University. February, 2014 - December, 2015
Morrison, S. "Effect of Balance Training on Posture, Falls, and Daily Activity in Older Adults" $198185. State. July, 2012 - June, 2014
Colberg-Ochs, S. R. "Development of a Quality of Life Tool Sensitive to Cognitive and Physical Measures of Fatigue " $185053. Federal. August, 2011 - July, 2013
Vinik, A. A. "A Randomized, Double-blind, Placebo-Controlled, Cross-over Study on the Effect of Pregabalin on Pain Related to Walking in Patients with Diabetic Peripheral Neuropathy" $576000. . June, 2011 - June, 2013
Ringleb, S. I. "Development of Virtual Reality Tools for Assessment of Return-to-Duty Status following Mild Traumatic Brain Injury (mTBI)" $270000. Old Dominion University. , 2010 - , 2012
Colberg-Ochs, S. R. "Protective Health Effects of Differing Types and Intensities of Exercise Training in Individuals with Type 2 Diabetes" $600000. Private. July, 2008 - June, 2011
Ringleb, S. I. "Development and Validation of Physical Performance Prediction Model" $395000. Old Dominion University. , 2007 - , 2010
Morrison, S. "Dynamic postural stability and falls prediction in older people during walking in real world environments" $656574. . , 2007 - , 2009
Ringleb, S. I. "Development and Validation of a Physical Performance Prediction Model" $542000. . July, 2007 - September, 2009
Colberg-Ochs, S. R. "Dynamic Medical Measures: Creating a Model to Study the Neuropathic Process in Diabetes and Normal Aging" $80000. Old Dominion University. January, 2008 - September, 2008
Morrison, S. "Remote (telemetry) sensing of running and athletic performance" $102000. . , 2005 - , 2006

Articles

Vinik, A. (2022). Imbalance in Cardiac Autonomic Nervous System Mediates Fatigue. Medical Research Archives 10 (2).
Morrison, S. (2022). Changes in trunk and head acceleration during the 6-minute walk test and its relation to falls risk for adults with multiple sclerosis.. Experimental brain research 240 (3) , pp. 927-939.
Henderson, T. T. (2022). Physiological tremor is suppressed and force steadiness is enhanced with increased availability of serotonin regardless of muscle fatigue.. Journal of neurophysiology 127 (1) , pp. 27-37.
Prebor, J. (2021). Chewing entrains cyclical actions but interferes with discrete actions in children. Journal of Motor Behavior 53 (3) , pp. 364-372.
Morrison, S. (2021). The relation between falls risk and movement variability in Parkinson's disease.. Experimental brain research 239 (7) , pp. 2077-2087.
Samulski, B. S. (2020). Age-related changes in neuromotor function when performing a concurrent motor task. . Experimental Brain Research 238 (3) , pp. 565-574.
Armitano-Lago, C. (2020). Anterior cruciate ligament reconstructed individuals demonstrate slower reactions during a dynamic postural task. Scand J Med Sci Sports 30 (8) , pp. 1518-1528.
Samulski, B. S. (2020). Age-related changes in neuromotor function when performing a concurrent motor task.. Experimental brain research.
Vinik, E. J. (2019). Development and Validation of the Norfolk Quality of Life Fatigue Tool (QOL-F): A New Measure of Perception of Fatigue.. Journal of the American Medical Directors Association.
Armitano, C. (2019). Assessment of the gait-related acceleration patterns in adults with autism spectrum disorder.. Gait & posture 75 , pp. 155-162.
Keogh JWL (2019). Can Resistance Training Improve Upper Limb Postural Tremor, Force Steadiness and Dexterity in Older Adults? A Systematic Review.. Sports medicine (Auckland, N.Z.) 49 (8) , pp. 1199-1216.
Morrison, S. (2019). Cross-limb dynamics of postural tremor due to limb loading to fatigue: neural overflow but not coupling.. Journal of neurophysiology 122 (2) , pp. 572-584.
Pope, J. (2019). Multifactorial exercise and dance-based interventions are effective in reducing falls risk in community-dwelling older adults: A comparison study.. Gait & posture 70 , pp. 370-375.
Samulski, B. S. (2019). Coupling of motor oscillators - What really happens when you chew gum and walk?. Neuroscience letters 698 , pp. 90-96.
Wood, T. A. (2019). The Role of Neck Musculature in Traumatic Brain Injuries in Older Adults: Implications From Sports Medicine.. Frontiers in medicine 6 , pp. 53.
Morrison, S. (2019). Intraindividual Variability of Neuromotor Function Predicts Falls Risk in Older Adults and those with Type 2 Diabetes.. Journal of motor behavior 51 (2) , pp. 151-160.
Armitano, C. (2018). Coordination stability between the legs is reduced after anterior cruciate ligament reconstruction.. Clinical biomechanics (Bristol, Avon) 58 , pp. 28-33.
Morrison, S. (2018). Neuromotor and cognitive responses of adults with autism spectrum disorder compared to neurotypical adults.. Experimental brain research 236 (8) , pp. 2321-2332.
Morrison, S. (2018). Supervised Balance Training and Wii Fit-Based Exercises Lower Falls Risk in Older Adults With Type 2 Diabetes.. Journal of the American Medical Directors Association 19 (2).
Estep, A. (2018). Differences in pattern of variability for lower extremity kinematics between walking and running.. Gait & posture 60 , pp. 111-115.
Morrison, S. (2017). Differences in postural tremor dynamics with age and neurological disease. Experimental Brain Research 235 (6) , pp. 1719-1729.
Thomas, K. (2017). The impact of speed and time on gait dynamics. Human Movement Science 54 , pp. 320 - 330.
Estep, A. (2017). Differences in pattern of variability for lower extremity kinematics between walking and running.. Gait & posture 60 , pp. 111-115.
Armitano, C. N. (2017). Upper body accelerations during walking are altered in adults with ACL reconstruction.. Gait & posture 58 , pp. 401-408.
Morrison, S. (2017). Differences in postural tremor dynamics with age and neurological disease.. Experimental brain research 235 (6) , pp. 1719-1729.
Hoch, M. (). Somatosensory deficits following ACL surgery. Lower Extremity Review May.
Russell, D. (2016). Bracing the trunk and neck in young adults leads to a more aged-like gait. Gait Posture 49 , pp. 388-93.
Swain, D. P. (2016). Impact Forces of Walking and Running at the Same Intensity. J Strength Cond Res 30 (4) , pp. 1042-9.
Swain, D. (2016). Impact forces of walking and running at the same intensity. Journal of Strength and Conditioning Research.
Newell, K. (2016). The Evolving Dynamical Landscape of Movement Forms: A Degrees of Freedom Perspective.. Kinesiology Review 5, 4-14. 5 , pp. 4-14.
Kelleran, K. (2016). Three-dimensional assessment of postural tremor during goal-directed aiming. Exp Brain Res.
Morrison, S. (2016). Walking-Induced Fatigue leads to Increased Falls Risk in Older Adults. . Journal of the American Medical Directors Association. (in press).
Morrison, S. (2016). Deficits in medio-lateral balance control and the implications for falls in individuals with multiple sclerosis. Gait Posture 49 , pp. 148-54.
Morrison, S. (2015). Bracing of the trunk and neck has a differential effect on head control during gait. J Neurophysiol 114 (3) , pp. 1773-83.
Morrison, S. (2015). Dimension and Complexity in Human Movement and Posture. Nonlinear Dynamics Psychol Life Sci 19 (4) , pp. 395-418.
Sosnoff, J. J.. (2015). Fall risk and incidence reduction in high risk individuals with multiple sclerosis: a pilot randomized control trial. Clin Rehabil 29 (10) , pp. 952-60.
Vinik, A. I.. (2015). Falls risk in older adults with type 2 diabetes. Clin Geriatr Med 31 (1) , pp. 89-99, viii.
Cole, M. H.. (2014). Concurrent validity of accelerations measured using a tri-axial inertial measurement unit while walking on firm, compliant and uneven surfaces. PLoS One 9 (5) , pp. e98395.
Cortes, N. (2014). Differential effects of fatigue on movement variability. Gait Posture 39 (3) , pp. 888-93.
Morrison, S. (2014). Exercise improves gait, reaction time and postural stability in older adults with type 2 diabetes and neuropathy. J Diabetes Complications 28 (5) , pp. 715-22.
Sosnoff, J. J.. (2014). Home-based exercise program and fall-risk reduction in older adults with multiple sclerosis: phase 1 randomized controlled trial. Clin Rehabil 28 (3) , pp. 254-63.
Kavanagh, J. J.. (2014). Load-induced changes in older individual’s hand-finger tremor are ameliorated with targeting. J Neurol Sci 339 (1-2) , pp. 69-74.
Sosnoff, J. (2014). Multiple sclerosis and falls – An evolving tale. European Neurological Review 9 (1) , pp. 44-48.
Moore, C. M.. (2014). The effects of acute hypoxia and exercise on marksmanship. Med Sci Sports Exerc 46 (4) , pp. 795-801.
Morrison, S. (2014). The pattern of coupling dynamics between postural motion, isotonic hand movements and physiological tremor. Neurosci Lett 580 , pp. 41-6.
Thomas, K. (2013). . European Journal of Applied Physiology 113 , pp. 497-508.
Morrison, S. (2013). Aging, Hypertension and Physiological Tremor: The Contribution of the Cardioballistic Impulse to Tremorgenesis in Older Adults.. Journal of the Neurological Sciences 326 , pp. 68-74.
Sosnoff, J. J. (2013). Home-based exercise program and fall-risk reduction in older adults with multiple sclerosis: phase 1 randomized controlled trial. Clin Rehabil.
Sosnoff, J. (2013). Multiple sclerosis and falls – An evolving tale . US Neurology 9 (1).
Morrison, S. (2013). The dynamics of finger tremor in multiple sclerosis is affected by whole body position.. Journal of the Neurological Sciences 324 , pp. 84-89.
Morrison, S. (2013). Variability, regularity and coupling measures distinguish PD tremor from voluntary 5 Hz tremor.. Neuroscience Letters 534 , pp. 69-74.
Morrison, S. (2013). Variability, regularity and coupling measures distinguish PD tremor from voluntary 5Hz tremor. Neurosci Lett 534 , pp. 69-74.
Morrison, S. (2012). Aging, Neuromuscular decline and the Change in Physiological and Behavioral Complexity of Upper-Limb Movement Dynamics. Journal of Aging Research 2012.
Morrison, S. (2012). From Tremor to Movement: Differences in Variability and Coupling during Bilateral Finger Actions. . Motor Control 16 , pp. 31-49.
Cortes, N. (2012). Landing Technique Affects Knee Loading and Position During Athletic Tasks. Journal of Science and Medicine in Sport 15 (2) , pp. 175-181.
Morrison, S. (2012). Relation between Risk of Falling and Postural Sway Complexity in Diabetes. Gait and Posture 35 , pp. 662-668.
Sosnoff, J. J. (2011). Mobility, Balance and Falls in Persons with Multiple Sclerosis. PLoS ONE 6 (11).
Morrison, S. (2011). Similarity in the Dynamics of Contralateral Motor Overflow through Increasing Frequency of Movement in a Single Limb. Experimental Brain Research 213 , pp. 403-414.
Thomas, K. (2011). Time-dependent Changes In Spatio-temporal Gait Dynamics During Slow Walking: 2509: Board #117 June 3 8:00 AM - 9:30 AM. Medicine & Science in Sports & Exercise 43 (5) , pp. 686 10.1249/01.MSS.0000401901.61051.de.
Tucker, M. (2010). Differences in rapid initiation and termination of voluntary postural sway associated with ageing and falls-risk. Journal of Motor Behavior 42 (5) , pp. 277-287.
Keogh, J. (2010). Strength- and coordination-training are both effective in reducing the postural tremor amplitude of older adults. Journal of Aging and Physical Activity 18 (1) , pp. 43-60.
Morrison, S. (2010). The Impact of Localized Fatigue on Contralateral Tremor and Muscle Activity is exacerbated by Standing Posture. Journal of Electromyography and Kinesiology 20 (6) , pp. 1211-1218.
Walker, M. (2010). Virtual reality-enhanced partial body weight-supported treadmill training poststroke: feasibility and effectiveness in 6 subjects. Arch Phys Med Rehabil 91 (1) , pp. 115-22.
Tucker, M. (2010). What are the relations between voluntary postural sway measures and falls-history status in community-dwelling older adults? . Archives of Physical Medicine and Rehabilitation 91 (5) , pp. 750-758.
Morrison, S. (2010). Balance training reduces falls risk in older individuals with type 2 diabetes. Diabetes Care 33 (4) , pp. 748-750.
Walker, M. (2010). Virtual reality-enhanced partial body weight-supported treadmill training post stroke: feasibility and effectiveness in 6 subjects. Arch Phys Med Rehabil 91 , pp. 115-122.
Morrison, S. (2009). Upper frequency limits of bilateral coordination Patterns.. Neuroscience Letters 454 , pp. 233-238.
Tucker, M. G.. (2009). Voluntary sway and rapid orthogonal transitions of voluntary sway in young adults, and low and high fall-risk older adults. Clinical Biomechanics 24 (8) , pp. 597-605.
Tucker, M. (2009). Voluntary sway and rapid orthogonal transitions of voluntary sway in young adults, and low and high fall-risk older adults. . Clinical Biomechanics 24 (8) , pp. 597-605.
Kavanagh, J. J.. (2008). Accelerometry: A technique for quantifying movement patterns during walking. Gait & Posture 28 (1) , pp. 1-15.
Tucker, M. (2008). Age-related changes in upper body coordination and reaction time during voluntary postural sway. Human Movement Science 27 , pp. 728-737.
Morrison, S. (2008). Bilateral tremor relations in Parkinson's disease: Effects of mechanical coupling and medication. Parkinsonism and Related Disorders 14 , pp. 298-308.
Morrison, S. (2008). Coupling between limb tremor and postural sway in Parkinson's disease. 23 (3) , pp. 386-394.
Peterson, A. (2008). Enhanced postural stability following driver-training in associated with positive effects on vehicle kinematics during cornering. Human Factors 50 (1) , pp. 159-172.
Barrett, R. (2008). Gender differences in the variability of lower extremity kinematics during treadmill locomotion. J Mot Behav 40 (1) , pp. 62-70.
Barrett, R. S. (2008). Gender differences in the variablility of lower extremity linematics during voluntary postural sway. Journal of Motor Behavior 40 (1) , pp. 62-70.
Mills, P. M. (2008). Toe clearance variability during walking in young and elderly men. Gait and Posture 28 (1) , pp. 101-107.
Mills, P. M. (2007). Agreement between foot-switch and ground reaction force techniques for identifying gait events; inter-session repeatability and the effect of walking speed. Gait and Posture 26 , pp. 323-6.
Morrison, S. (2007). Inverse relations in the patterns of muscle and center of pressure dynamics during standing still and movement postures. Experimental Brain Research 181 , pp. 347-358.
Morrison, S. (2007). Repeatability of an electromagnetic tracking system protocol to obtain three-dimensional gait kinematics during treadmill locomotion. Journal of Biomechanics 40 , pp. 1504-1511.
Keogh, J. (2007). Strength training improves the tri-digit finger pinch force control of older adults. Archives of Physical Medicine and Rehabilitation 88 , pp. 1055-1063.
Keogh, J. (2006). Age-related differences in inter-digit coupling during finger pinching. European Journal of Applied Physiology 97 (1) , pp. 76-88.
Keogh, J. (2006). Age-related differences in inter-digit coupling during finger pinching. European Journal of Applied Physiology 97 (1) , pp. 76-88.
Keogh, J. (2006). Age-related differences in the coordinated of digital forces during tri-digital finger-pinching. European Journal of Applied Physiology 97 , pp. 76-88.
Morrison, S. (2006). Differences in mulitple segment tremor dynamics between young and elderly. Journal of Gerontology: Medical Sciences 61A , pp. 982-990.
Morrison, S. (2006). Differences in multiple segment tremor dynamics between the young and elderly.. Journal of Gerontology: Medical Sciences In Press.
Peterson, A. (2006). Driver training and braking performance in vehicles with anti-lock braking systems. Safety Science 44 (10) , pp. 905-917.
Kavanagh, J. J. (2006). Lumbar and cervical erector spinae fatigue elicits compensatory postural responses to assist in maintaining head stability during walking. Journal of Applied Physiology 101 , pp. 1118-1126.
Kavanagh, J. J. (2006). Reliability of Segmental accelerations measured using a new wireless gait analysis system. Journal of Biomechanics 39 (15) , pp. 2863-2872.
Kavanagh, J. J. (2006). The role of the neck and trunk in facilitating head stability during walking. Experimental Brain Research 172 , pp. 454-463.
Kavanagh, J. (2005). Age-related differences in head and trunk coordination during walking. Human Movement Science 24 (4) , pp. 574-587.
Kavanagh, J. J. (2005). Coordination of head and trunk accelerations during walking. European Journal of Applied Physiology 94 , pp. 468-477.
Morrison, S. (2005). The effects of unilateral muscle fatigue on bilateral physiological tremor. Experimental Brain Research 167 (4) , pp. 609-621.
Morrison, S. (2005). The effects of unilateral muscle fatigue on bilateral physiological tremor.. Experimental Brain Research 167 , pp. 609-621.
Morrison, S. (2005). The effects of unlateral muscle fatigue on bilateral physiology tremor. Experimental Brain Research 167 , pp. 609-621.
Keogh, J. (2004). Augmented visual feedback increases finger tremor during postural pointing. Experimental Brain Research. 159 (4) , pp. 467-477.
Keogh, J. (2004). Augumental visual feedback alters finger tremor during postural pointing. Experimental Brain Research 159 (4) , pp. 467-477.
Morrison, S. (2004). Upper body accelerations during walking in healthy young and elderly men. Gait and Posture 20 (3) , pp. 291-298.
Morrison, S. (2001). Changes in the dynamics of tremor during goal-directed pointing. Human Movement Science 20 , pp. 675-693.
Morrison, S. (2000). Limb Stiffness and postural tremor in the arm. Motor Control 4 , pp. 293-315.
Morrison, S. (2000). On learning to move randomly. Journal of Motor Behavior 32 , pp. 314-320.
Morrison, S. (2000). Postural and resting tremor in the upper limb. Clinical Neurophysiology 111 , pp. 651-663.
Morrison, S. (1999). Bilateral organization of physiological tremor in the upper limb. European Journal of Applied Physiology and Occupational Physiology 80 , pp. 564-574.
Morrison, S. (1999). Bilateral organization of physiology tremor in the upper limb. European Journal of Applied Physiology and Occupational Physiology 80 (564-574).
Morrison, S. (1999). Natural goal-directed movements and the triphasic EMG. Motor Control 3 , pp. 346-371.
Morrison, S. (1998). Inter-limb coupling as a function of isometric force output. Journal of Motor Behavior 10 , pp. 323-342.
Morrison, S. (1996). Frames of reference and normal movement . Behavioral and Brain Sciences 19 , pp. 83-84.
Morrison, S. (1996). Inter- and intra-limb coordination in arm tremor. Experimental Brain Research 110 , pp. 455-464.
Morrison, S. (1996). Inter- and intra-limb coordination in arm tremor. Experimental Brain Research 110 , pp. 455-464.

Book Chapters

Morrison, S. (2016). Aging and Slowing of the Neuromotor System Encyclopedia of Geropsychology Singapore: Springer-Verlag.

Conference Proceeding

Bowersock, C. (2021). Measures of Gait Variability Are Not Sensitive to Aging (pp. S24-S24) JOURNAL OF SPORT & EXERCISE PSYCHOLOGY.
Yhdego, H. (2019). Towards Musculoskeletal Simulation-Aware Fall Injury Mitigation: Transfer Learning with Deep CNN for Fall Detection (pp. 1-12) Tucson, AZ: Spring Simulation Conference (SpringSim).
Morrison, S. (2002). The complex nature of physiology tremor in the elderly (pp. 257-260) Official Press Book for the Society for Neuroscience.

Presentations

Samulski, B. S. (October , 2019). Assessing the impact of chewing on motor function in children and adolescents Poster Annual Society for Neuroscience Meeting Chicago.
Samulski, B. S. (October , 2019). Stepping couples with chewing regardless of when it is initiated suggesting hierarchical influence of chewing on gait. Poster Society for Neuroscience Annual Meeting Chicago.
Moxey, J. (October , 2019). The relation between falls risk, slowing of movement and variability in Parkinson disease Poster Society for Neuroscience Annual Meeting Chicago, Il.
Morrison, S. (June , 2019). Persons with MS exhibit declines in upper body control during walking Poster International Society for Posture and Gait Research Conference Edinburgh, Scotland.
Bowersock, C. (June , 2019). Instruction to perform habitual or non-habitual foot strike patterns impacts ground reaction force patterns. Oral Presentation North American Society for the Psychology of Sport and Physical Activity Annual Conference Baltimore, MD.
Russell, D. (June , 2019). Walking speed differentially affects dimensionality of movement trajectories throughout the body. Oral Presentation North American Society for the Psychology of Sport and Physical Activity Annual Conference Baltimore.
Samulski, B. S. (November , 2018). Chewing differentially influences upper limb motor patterns. Poster Annual Society for Neuroscience Meeting San Diego.
Armitano, C. (November , 2018). Individuals with an ACL reconstruction have altered neuromotor function Poster Annual Society for Neuroscience Meeting San Diego.
Morrison, S. (November , 2018). Patterns of acceleration during walking are altered in adults with autism spectrum disorder. Poster Annual Society for Neuroscience Meeting San Diego.
Reilly, N. (November , 2018). Tremor responses for persons with PD is exacerbated by standing posture. Poster Annual Society for Neuroscience Meeting San Diego.
Armitano, C. (May , 2018). Decline in Gait Speed Across Clinical Populations Indicates Increased Risk of Falling. Oral Presentation American College of Sports Medicine Annual Meeting Minneapolis, MN..
Pope, J. (May , 2018). A Comparison Of Two Community Based Exercise Interventions For Reducing Falls Risk In Older Adults. Poster American College of Sports Medicine Annual Meeting. Minneapolis, MN.
Kelleran, K. (May , 2018). Is Aiming a Handgun Like Pointing a Finger? Poster American College of Sports Medicine Annual Meeting. Minneapolis, MN.
Estep, A. (May , 2018). Lower Extremity Strength & Kinematic Variability in Healthy Runners During a Prolonged Run: Preliminary Analysis Poster American College of Sports Medicine Annual Meeting. Minneapolis, MN.
Samulski, B. S. (November , 2017). Can you walk and chew gum at the same time? The effect of chewing gum on gait dynamics of healthy adults Poster 47th Annual Society for Neuroscience Washington DC.
Simmons, R. (November , 2017). Older adults with Type 2 Diabetes classified as fallers have slower reactions, decreased strength, and impaired postural stability compared to non-fallers. Poster 47th Annual Society for Neuroscience Washington DC.
Bowersock, C. (November , 2017). Quantifying the non-linear properties of center of pressure patterns during different running styles. Poster 47th Annual Society for Neuroscience Washington DC.
Armitano, C. (November , 2017). Relation between cognitive function, walking ability and strength for adults with autism spectrum disorder. Poster 47th Annual Society for Neuroscience Washington DC.
Jenkins, E. (November , 2017). The effect of painful peripheral neuropathy on gait for adults with Type 2 diabetes. Poster 47th Annual Society for Neuroscience Washington DC.
Samulski, B. S. (November 5, 2017). Can you walk and chew gum at the same time? The effect of chewing gum on gait dynamics of healthy adults Poster Virginia Physical Therapy Association annual conference Newport news, VA.
McCrory, S. (June , 2017). No differences in leg strength between fallers and non-fallers. Poster American College of Sports Medicine Annual Meeting Denver, CO.
Bowersock, C. (June , 2017). Performing the Six-Minute Walk Test is linked to Increased Risk of Falling for Persons with MS. Poster American College of Sports Medicine Annual Meeting Denver, CO.
Armitano, C. (June , 2017). Upper body accelerations during walking are altered in individuals with ACL reconstruction. Oral Presentation American College of Sports Medicine Annual Meeting Denver, CO.
Estep, A. (June , 2017). Variability Between Healthy and Injured Individuals during Running. Poster American College of Sports Medicine Annual Meeting Denver, CO.
Simmons, R. (June , 2017). Wii-Based and Supervised Exercise Training Decrease Falls Risk in Older Adults with Type 2 Diabetes. Poster American College of Sports Medicine Annual Meeting Denver, CO.
Russell, D. (June , 2017). Can young healthy adults walk randomly? Oral Presentation North American Society for the Psychology of Sport and Physical Activity Annual Conference San Diego, CA.
Morrison, S. (April , 2017). Loss of Neuro-Motor Variability in Aging and Disease: Implications for the Control of Balance and Gait. Lecture Invited Talk Fargo, ND.
Morrison, S. (April , 2017). To Fall on Ones Feet: Assessing and Preventing Falls in Older Adults and Clinical Populations. Lecture Invited Talk Fargo, ND.
Morrison, S. (June , 2016). Fatiguing a Single Limb leads to Bilateral Changes in Postural Tremor and Forearm Muscle Activity Other American College of Sports Medicine Annual Meeting. Boston, MA.
Armitano, C. (June , 2016). Local Dynamic Stability of the Knee is Maximal for Walking Overground at the Preferred Speed. Poster American College of Sports Medicine Annual Meeting. Boston, MA.
Estep, A. (June , 2016). Lower extremity kinematics presents subtle variability changes from walking to running when analyzed with ApEn. Poster American College of Sports Medicine Annual Meeting. Boston, MA.
Walker, M. (June , 2016). Supervised Exercise leads to Improved Reactions, Balance and Reduced Falls Risk in Older Adults with Type 2 Diabetes. Poster American College of Sports Medicine Annual Meeting. Boston, MA.
Kelleran, K. (June , 2016). Tremor amplitude is greater in the mediolateral direction than vertical during handgun aiming tasks. Poster American College of Sports Medicine Annual Meeting. Boston, MA.
Russell, D. (June , 2016). The effect of walking speed on local dynamic stability depends on the body part measured. Oral Presentation North American Society for the Psychology of Sport and Physical Activity Annual Conference Montreal, Canada.
Newell, K. M. (April , 2016). Aging and motor abilities Demonstration Society for Cognitive Aging Atlanta.
Morrison, S. (November , 2015). Linking Variability, DF's and Neuro-Motor Degradation in the Older Adult: Evidence from Balance and Falls. Oral Presentation Motor Control in Health and Disease: Brain, Muscle and Movement: Department of Kinesiology, The University of Georgia..
Morrison, S. (November , 2015). The evolving dynamical landscape for action: A degrees of freedom perspective. Keynote/Plenary Address National Academy of Kinesiology Philadelphia.
Morrison, S. (October , 2015). Deficits in medio-lateral balance control, leg strength and reaction time contribute to the increased risk of falling in persons with multiple sclerosis. Poster 45th Annual Society for Neuroscience meeting Chicago, Illinois.
Morrison, S. (June , 2015). Pregabalin positively affects subjective pain, falls risk and gait in persons with diabetic peripheral neuropathy. Poster American Diabetes Association Annual Meeting Boston MA.
Morrison, S. (May , 2015). Walking-induced fatigue leads to declines in Balance, Reaction Time, Strength and Increased Falls Risk for Persons with MS. Poster American College of Sports Medicine Annual Meeting. San Diego, California.
Morrison, S. (December , 2014). The Variable Nature of Human Movement: Assessing the impact of aging and disease on physiological complexity Posture and Gait Training to reduce Falls Risk in Varied Patient Populations. Oral Presentation Biomechanics Seminar: East Carolina University, North Carolina. .
Morrison, S. (November , 2014). Bracing the trunk and neck alters the spatiotemporal parameters of gait. Poster 44th Annual Society for Neuroscience meeting, Washington DC.
Morrison, S. (November , 2014). The Impact of Walking-Induced Fatigue on Falls Risk and Balance in Older Adults. Poster 44th Annual Society for Neuroscience meeting, Washington DC.
Morrison, S. (September , 2014). Finding Balance: Posture and Gait Training to reduce Falls Risk in Varied Patient Populations. Lecture Psychiatry Grand Rounds: Eastern Virginia Medical School, Norfolk, Virginia.
Morrison, S. ( 2013). Is the Sky Falling? Assessing Balance and Falls in Older Adults Lecture Richmond.
Morrison, S. ( 2013). Balancing Act: Practical Assessment and Management of Falls Keynote/Plenary Address Virginia Geriatrics Society 24th Annual Conference, Richmond, Virginia.
Morrison, S. (August , 2013). Balancing Act: Practical Assessment and Management of Falls. Keynote/Plenary Address Virginia Geriatrics Society 24th Annual Conference, Richmond, VA.
Morrison, S. (April , 2013). The contribution of variability in movement performance. Lecture Noraxon's Research Symposium Los Angeles, California .
Morrison, S. ( 2012). The effects of postural position on physiological tremor in multiple sclerosis Poster 42nd Annual Society for Neuroscience meeting New Orleans.
Kerr, G. K. ( 2012). Changes in movement complexity are associated with increased postural instability in Parkinson’s disease Oral Presentation Australian Neuroscience Meeting Gold Coast, Australia.
Morrison, S. ( 2012). Changes in Variability with Aging and Disease: Implications for control of movement. Lecture Dunedin, New Zealand.
Morrison, S. ( 2012). Loss of Motor Function in the Older Adult: The Relation between Aging, Disease, and Physiological Complexity Lecture Dunedin, New Zealand.
Morrison, S. ( 2010). Postural Control, Falls and Falls Risk Assessment: The impact of Age, Diabetes and Parkinson’s Disease Colloquium Series Champaign-Urbana, Illinois.
Morrison, S. ( 2010). Methods to Reduce the Risk of Falling Turning the Tide on Diabetes Virginia Beach.
Kerr, G. ( 2009). Changes in movement coupling and complexity in aging and neurological disease 39th Annual Society for Neuroscience meeting Chicago, Illinois.
Morrison, S. ( 2009). Dynamics of Balance and Falls Risk in Type 2 Diabetes 39th Annual Society for Neuroscience meeting Chicago, Illinois.
Wilcox, R. ( 2009). The electrophysiological confirmation of simple bent & locked knee manoeuvres for clinical diagnosis and management of orthostatic tremor Movement Disorders Society 13th International Congress Paris, France.
Morrison, S. ( 2008). Aging-related changes in the Adaptability of Neuomusclar Output: An Examination of Postural Tremor. American College of Sports Medicine (ACSM) Annual Meeting Indianapolis, Indiana.
Morrison, S. ( 2008). Physiological Transfer Effects after 16 Weeks of Resistance and Aerobic Training in Men 70-80yrs. American College of Sports Medicine (ACSM) Annual Meeting Indianapolis, Indiana.
Morrison, S. ( 2007). Age-related differences in upper body coordination and dynamic reaction time during postural movements Eighth Motor Control and Human Skill Conference Fremantle, Western Austrailia, Austrailia.
Morrison, S. ( 2007). Eigth Motor Control and Human Skill Conference Fremantle , Western Austrailia, Austrailia.
Morrison, S. ( 2007). Does tremor contribute to postural instability in Parkinson's disease? IBRO World Congress of Neuroscience Darwin, North Territories, Austrailia.
Morrison, S. ( 2006). Age-related changes in upper body coordination and reaction time during voluntary postural sway 2nd Austrailian Falls Prevention Conference Brisbane, Austrailia.
Morrison, S. ( 2006). Age effects on postural reaction time and coordination during voluntary sway movements Gold Coast Health and Medical Research Conference Queensland, Austrailia.
Morrison, S. ( 2005). Changes in Multiple Segment Tremor Dynamics in Parkinson's diseas as a Function of Posture 35th Annual Society for Neuroscience Meeting Washignton DC..
Morrison, S. ( 2005). Tremor-Sway Interactions in Young, Elderly and Parkinson's diseas Patients 35th Annual Society for Neuroscience Meeting Washingotn, DC.
Morrison, S. ( 2005). Strength training improves the tri-digit finger-pinch force control of older adults Australian Association for Exercise and Sports Science Conference Sydney, Australia.
Morrison, S. ( 2005). Postural strategies adopted by the older person durgin gait initiation Australian Association of Gerontology 38th National Conference Gold Coast, Australia.
Morrison, S. ( 2005). Changes in Resting and Postural Tremor in Parkinson's disease as a Function of Postural Position XVIIIth World Congress on Neurology Sydney, Australia.
Morrison, S. ( 2005). Quantifying motor symptoms in Parkinson's disease: limb tremor and postural sway interactions XVIIIth World Congress on Neurology Sydney, Australia.
Morrison, S. ( 2004). Bilateral tremor relations in Parkinson's disease 22nd Australian Winter Conference on Brain Research Queenstown, New Zealand.
Morrison, S. ( 2004). Postural and limb tremor relations in Parkinson's disease 22nd Australian Winter Conference on Brain Research Queenstown, New Zealand.
Morrison, S. ( 2004). Age-related differences in upper body control during walking Australian Falls Prevention Inaugural Conference Sydney, Australia.
Morrison, S. ( 2004). Postural adaptations to enhanced tremnor in Parkinson's disease Australian Falls Prevention Inaugural Conference Sydney, Australia.
Morrison, S. ( 2003). Compensatory relationships between kinematic degrees of freedom minimiz toe clearance variability during walking XIXth International Society of Biochmechanics Congress Dunedin, New Zealand.
Morrison, S. ( 2003). Head and Trunk acceleration in healthy young and elderly men XIXth International Society of Biochmechanics Congress Dunedin, New Zealand.
Morrison, S. ( 2003). Inter-digit coordination and force control in finger-pinching XIXth International Society of Biochmechanics Congress Dunedin, New Zealand.
Morrison, S. ( 2003). The effect of limb support on finger tremor dynamics in healthy adults XIXth International Society of Biochmechanics Congress Dunedin, New Zealand.
Morrison, S. ( 2003). Postural sway-tremor interactions during quiet stance XVIth International Society for Postural and Gait Research: Posture and Gait through the lifespan Sydney, Australia.
  • 8th Annual Winter Conference on Brain Research in Queenstown, New Zealand,
  • Post-Graduate Scholarship, Otago University, New Zealand
  • Teaching Assistant, Pennsylvania State Unversity, Pennsylvania USA