RESEARCH

Haddad, J. M., Claxton, L. J., Melzer, D., Hamill, J., & Van Emmerik, R. E. A. (2013). Developmental changes in postural stability during the performance of a precision manual task. Journal of Motor Learning and Development, 1, 12-19.
 
Preatoni, E., Hamill, J., Harrison, A.J., Van Emmerik, R.E.A., Wilson, C., & Rodano, R. (2013). Movement variability and skills monitoring in sports. Sports Biomechanics, 12(2), 69-92.
 
Van Emmerik, R.E.A., Jones, S.L., Busa, M.A., & Baird, J.L. (2013). A systems perspective on postural and gait stability: Implications for physical activity in aging and disease. Kinesiology Review, 2, 17-28.
 
Remelius, J.G., Jones, S.L., House, J.D., Busa, M.A., Averill, J.L., Sugumaran, K., Kent-Braun, J.A., & Van Emmerik, R.E.A. (2012). Gait impairments in persons with Multiple Sclerosis across preferred and fixed walking speeds. Archives of Physical Medicine and Rehabilitation, 93, 1637-1642.
 
Palmer, C.J., Van Emmerik, R.E.A., & Hamill, J. (2012). Ecological gait dynamics: stability, variability and optimal design. Footwear Science, 4(2), 167-182.
 
Palmer, C.J., Riccio, G.E., & Van Emmerik, R.E.A. (2012). Orienting under load: Intrinsic dynamics and postural affordances for visual perception. Ecological Psychology, 24(2), 95-121.
 
Haddad, J.M., Claxton, L.J., Keen, R., Berthier, N.E., Riccio, G.E., Hamill, J., & Van Emmerik, R.E.A. (2012). Development of the coordination between posture and manual control. Journal of Experimental Child Psychology, 111, 286-298.
 
Johnson, M.B., Hamill, J., & Van Emmerik, R.E.A. (2012). Effect of Head Orientation on Postural Control during Upright Stance and Forward Lean. Motor Control, 16, 81-93.
 
O'Halloran, J., Hamill, J., McDermott, W.J., Remelius, J.G., & Van Emmerik, R.E.A. (2012). Locomotor-respiratory coupling patterns and oxygen consumption during walking above and below preferred stride frequency. European Journal of Applied Physiology, 112, 929-940.
 
Johnson, M.B., & Van Emmerik, R.E.A. (2011). Is head-on-trunk extension a proprioceptive mediator of postural control and sit-to-stand movement characteristics? Journal of Motor Behavior, 43, 491-498.
 
Gruber, A.H., Busa, M., Gorton, G.E. III, Van Emmerik, R.E.A., Masso, P.D., & Hamill, J. (2011). Time-to-Contact and multiscale entropy identify differences in postural control in adolescent idiopathic scoliosis. Gait & Posture, 34, 13-18.
 
Seay, J., Van Emmerik, R.E.A., & Hamill, J. (2011). Differences between pelvis-trunk coordination in runners with and without low back pain. Spine, 36, 1070-1079.
 
Van Emmerik, R.E.A., Remelius, J.G., Johnson, M.B., Chung, L.H., & Kent-Braun, J.A. (2010). Postural Control in women with multiple sclerosis: Effects of fatigue and vision during quiet stance and postural perturbations. Gait & Posture, 32, 608-614.
 
Miller, R.H., chang, R., Baird, J.L., Van Emmerik, R.E.A., & Hamill, J. (2010). Variability in kinematic coupling assessed by vector coding and continuous relative phase. Journal of Biomechanics, 43, 2554-2560.
 
Johnson, M.B., Cacciatore, T.W., Hamill, J., & Van Emmerik, R.E.A. (2010). Multisegmental torso coordination during the transition from sitting to standing. Clinical Biomechanics, 25, 199-205.
 
Haddad, J.H., Van Emmerik, R.E.A., Wheat, J.S., Hamill, J., & Snapp-Childs, S. (2010). Relative phase coordination analysis in the assessment of dynamic gait symmetry. Journal of Applied Biomechanics, 26, 109-113.
 
Miller, R.H., Caldwell, G.E., Van Emmerik, R.E.A., Umberger, B.R. & Hamill, J. (2009). Ground reaction forces and lower extremity kinematics when running with suppressed arm swing. Journal of Biomechanical Engineering, 131(12), 124502-6.
 
Baird, J. & Van Emmerik, R.E.A. (2009). Young and older adults use different strategies to perform a standing turning task. Clinical Biomechanics, 24, 826-832.
 
Hasson, C.J., Caldwell, G.E., & Van Emmerik, R.E.A. (2009). Scaling of plantarflexor muscle activity and postural control time-to-contact in response to upper-body perturbations in young and older adults. Experimental Brain Research, 196(3), 413-427.
 
Chang, R., Van Emmerik, R.E.A., & Hamill, J. (2008). Quantifying rearfoot-forefoot coordination in human walking. Journal of Biomechanics, 41, 3101-3105.
 
Haddad, J.H., Van Emmerik, R.E.A, & Hamill, J. (2008). Recurrence Quantification Analysis and Developmental changes in Postural Control. Experimental Brain Research. 190(4): 431-41.
 
Chung L, Remelius JG, Van Emmerik REA, Kent-Braun J. Leg power asymmetry and postural control in women with multiple sclerosis. Medicine & Science in Sports & Exercise. 2008;.
 
Remelius JG, Hamill J, Kent-Braun J, Van Emmerik RE. Gait initiation in multiple sclerosis. Motor Control. 2008; 12(2):93-108.
 
Peters, B.T., Van Emmerik, R.E.A. & Bloomberg, J.J. (2005). Stride cycle influences on goal directed head movements made during walking. Gait and Posture.
Haddad, J. Van Emmerik, R.E.A., Whittlesey, & Hamill, J. (2005). Interlimb and intralimb coordination in human walking in response to a unilaterally applied leg load. Gait and Posture.
Van Emmerik, R.E.A., McDermott, W.H. , Haddad, J., Van Wegen, E.E.H. (2005). Age-related changes in upperbody coordination to walking speed in human locomotion. Gait and Posture, 22, 233-239.
Van Emmerik, R.E.A., Rosenstein, M.T., McDermott, W.J., & Hamill, J. (2004). A Nonlinear Dynamics Approach to Human Movement. Journal of Applied Biomechanics, 20, 396-420.
Van Emmerik, R.E.A., Hamill, J., & McDermott, W.M. (2005). Variability and Coordinative function in human Gait. Quest, 57, 102-123.
Van Emmerik, R.E.A. (2004). The Functional Role of Movement Variability in Movement Coordination and Disability. In: W.E. Davis and G.D. Broadhead (Eds.), Ecological task analysis: Looking back, thinking forward. Champaign. Ill: Human Kinetics.
Pollard, C.D., Heiderscheit, B.C., Van Emmerik, R.E.A, Hamill, J. (2005). Gender Differences in Lower Extremity Coupling Variability During an Unanticipated Cutting Maneuver. Journal of Applied Biomechanics, 21, 143-152.
Hamill, J., Haddad, J.M., Heiderscheit, B.C., Van Emmerik, R.E.A., Li, L. (2004). Clinical Relevance of Coordination Variability. In: K. Davids, S.J. Benett, & K.M. Newell (Eds.), Variability in the Movement System: A Multi-Disciplinary Perspective. Champaign. Ill: Human Kinetics.
Peters, B.T., Haddad, J.M., Heiderscheit, B.C., Van Emmerik, R.E.A., & Hamill, J. (2003). Limitations in the use and interpretation of continuous relative phase. Journal of Biomechanics, 36, 271-274.
McDermott, W.J. Van Emmerik, R.E.A., & Hamill, J. & (2003). Running training and adaptive strategies of locomotor-respiratory coordination. European Journal of Applied Physiology, 89, 435-444.
Van Emmerik, R.E.A. & Van Wegen (2002). On the Functional Aspects of Variability in Postural Control. Exercise and Sport Sciences Reviews, 30(4), 177-183.
Van Wegen, Van Emmerik, R.E.A, & Riccio, G.E. (2002). Postural orientation: Age-related changes in variability and time-to-boundary. Human Movement Science, 21, 61-84.
Heidersheit, B.C., Hamill, J. & Van Emmerik, R.E.A. (2002). Variability of stride characteristics and joint coordination among individuals with unilateral patellofemoral pain. Journal of Applied Biomechanics, 18, 110-121.
Winogrodzka, A., Wagenaar, R.C., Bergmans, P., Vellinga, A., Booij, J., Van Royen, E.A., Van Emmerik, R.E.A., Stoof, J.C., & Wolters, E.Ch. (2001). Rigidity affects the resting tremor in Parkinson's Disease. Movement Disorders, 16, 1033-1040.
Riccio, G.E., Van Emmerik, R.E.A. & Peters, B.T. (2001). Movement dynamics and the Environment to be Perceived. Behavioral and Brain Sciences, 24, 237-238.
Van Emmerik, R.E.A. & Van Wegen, E.H.H. (2000). On Variability and Stability in Human Movement. Journal of Applied Biomechanics, 16, 394-406.
Van Wegen, E.E.H., Van Emmerik, R.E.A., Wagenaar, R.C. & Ellis, T. (2001). Stability boundaries and lateral postural control in Parkinson's Disease. Motor Control, 3, 254-269.
Whittlesey, S.N., Hamill, J. & Van Emmerik, R.E.A. (2000). The Swing Phase of Human Walking is not a Passive Movement. Motor Control, 4, 273-292.
Wagenaar, R.C. & Van Emmerik, R.E.A. (2000). Resonance frequencies of arms and legs identify different walking patterns. Journal of Biomechanics, 33, 853-861.
Van Emmerik, R.E.A., Wagenaar, R.C., Winogrodzka, A., & Wolters, E.Ch. (1999). Axial rigidity in Parkinson's disease. Archives of Physical Medicine and Rehabilitation, 80, 186-191.
Van Emmerik, R.E.A, Wagenaar, R.C. & Van Wegen, E.H.H. (1998). Interlimb coupling patterns in human locomotion: Are we bipeds or quadrupeds? Annals of New York Academy of Sciences, 860, 539-542.
Heiderscheit, B.C., Hamill, J. & Van Emmerik, R.E.A. (1999). Q-angle influences on the variability of lower extremity coordination during running. Medicine and Science in Sport and Exercise, 31(3), 1313-1319.
Hamill, J., Van Emmerik, R.E.A., Heiderscheit, B.C., & Li, L. (1999). A Dynamical systems approach to lower extremity running injuries. Clinical Biomechanics, 14, 297-308.
Perez, R., Bosman, M., Wagenaar, R.C., & Van Emmerik, R.E.A. (1998). Effects of auditory rhythms on Parkinsonian gait. Nederlands tijdschrift voor Fysiotherapie. 108(36), 62-69.
Ronnqvist, L. Hopkins, B., Van Emmerik, R.E.A. & de Groot, L. (1999). Lateral biases in head turning and the Moro response in the human newborn: Are they both vestibular in origin? Developmental Psychobiology, 339-349 .
Li, L. Van Den Bogert, C., Caldwell, G.E., Van Emmerik, R.E.A., & Hamill, J. (1999). Coordination patterns of walking and running at similar speeds and stride frequency. Human Movement Science, 18, 67-85.
Vereijken, B., Van Emmerik, R.E.A, Bongaardt, R., Beek, W.J., & Newell, K.M. (1997). Changing coordinative structures with skill learning. Human Movement Science, 16, 823-844.
Van Emmerik, R.E.A. & Wagenaar, R.C. (1997). On optimality and movement disorders: A dynamical systems perspective. Behavioral and Brain Sciences, 19, 1,90.
Van Emmerik, R.E.A. & Wagenaar, R.C. (1996). Dynamics of movement coordination and tremor in Parkinson's disease. Human Movement Science, 15, 203-235.
Van Emmerik, R.E.A. & Wagenaar, R.C. (1996). Effects of walking velocity on relative phase dynamics in the trunk in human walking. Journal of Biomechanics, 29, 1175-1184.
Sprague, R.L., Van Emmerik, R. E. A., Slobounov, S., & Newell, K. M. (1996). Facial stereotypic movements and tardive dyskinesia in a developmentally disabled population. American Journal on Mental Retardation, 100, 345-358.
Wagenaar, R.C., & Van Emmerik, R.E.A. (1996). Dynamics of movement disorders. Human Movement Science, 15,161-175.
Van Emmerik, R.E.A. & Wagenaar, R.C. (1995). The functional role of movement variability: Implications for learning and relearning processes. Corpus, Psyche et Societas, 2, 57-70.
Van Emmerik, R.E.A. & Wagenaar, R.C. (1995). Equifinality and phase resetting: The role of control parameter manipulations. Commentary to Feldman and Levin. Behavioral and Brain Sciences, 18, 783-784.
Wagenaar, R.C. & Van Emmerik, R.E.A. (1994). Dynamics of pathological gait. Human Movement Science, 13, 441-471.
Van Emmerik, R. E. A., Sprague, R. L., & Newell, K. M. (1993). Arm tremor and tardive dyskinesia. American Journal on Mental Retardation, 98, 74-83.
Van Emmerik, R. E. A., Sprague, R. L., & Newell, K. M. (1993). Assessment of postural sway profiles in tardive dyskinesia: Orientation and stereotypy. Movement Disorders, 8, 305-314.
Van Emmerik, R. E. A., Sprague, R. L., & Newell, K. M. (1993). Finger tremor and tardive dyskinesia. Experimental and Clinical Psychopharmacology, 1, 259-268.
Newell, K.M., Van Emmerik, R.E.A., Lee, D. & Sprague, R.L. (1994). On postural stability and variability. Gait and Posture, 4, 225-230.
Van Emmerik, R.E.A. (1992). Kinematic adaptations to perturbations as a function of practice level in a rhythmic drawing movement. Journal of Motor Behavior, 24, 117-131.
Ko, Y.G., Van Emmerik, R. E. A., Sprague, R.L., & Newell, K.M. (1992). Postural stability and tardive dyskinesia. Journal of Intellectual Deficiency Research, 36, 309-323.
Savelsbergh, G,J.P, & Van Emmerik, R.E.A. (1992). Dynamic interactionism: From co-regulation to the mapping problem. Human Movement Science, 11, 443-451.

 

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