Research Topics
| James S FrankSummaryAffiliation: University of Waterloo Country: Canada Publications
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Detail Information
Publications
Task-specific measures of balance efficacy, anxiety, and stability and their relationship to clinical balance performanceLaura J Hauck
Department of Kinesiology, University of Waterloo, Waterloo, ON, Canada
Gait Posture 27:676-82. 2008..Efforts to diagnose balance disorders based on balance performance may be confounded by the influence of psychological factors...
Control of dynamic stability during adaptation to gait termination on a slippery surfaceAlison R Oates
Gait and Posture Laboratory, Department of Kinesiology, Faculty of Applied Health Sciences, University of Waterloo, Waterloo, ON, Canada
Exp Brain Res 201:47-57. 2010..The implications of this research are that a combination of knowledge of and experience with a slippery surface enables proactive and reactive adjustments in behaviour to effectively and more safely stop walking on a slippery surface...- Balance and mobility challenges in older adults: implications for preserving community mobilityJames S Frank
Department of Kinesiology, University of Waterloo, Waterloo, Ontario, Canada
Am J Prev Med 25:157-63. 2003..We propose a mobility envelope measured from excursions into the community over a week as a likely candidate for outcome measure... - Effects of age and pathology on stance modifications in response to increased postural threatJames A Shaw
Department of Kinesiology, Brock University, St Catharines, ON, Canada
Gait Posture 35:658-61. 2012..Our findings suggest that the effects of postural anxiety on postural control are dependent on the context associated with the postural threat, and age and disease status... 
Aging does not affect generalized postural motor learning in response to variable amplitude oscillations of the support surfaceKaren Van Ooteghem
Department of Kinesiology, University of Waterloo, 200 University Ave W, Waterloo, ON N2L 3G1, Canada
Exp Brain Res 204:505-14. 2010..This finding is similar to young adults (Van Ooteghem et al. in Exp Brain Res 187(4):603-611, 2008) and indicates that age does not influence the type of learning which occurs for balance control...- Practice-related improvements in posture control differ between young and older adults exposed to continuous, variable amplitude oscillations of the support surfaceKaren Van Ooteghem
Department of Kinesiology, University of Waterloo, Waterloo, ON N2L 3G1, Canada
Exp Brain Res 199:185-93. 2009..This study provides important insight into the ability of older adults to demonstrate longer-term improvements in postural regulation... - The effects of skill focused instructions on walking performance depend on movement constraints in Parkinson's diseaseJames A Shaw
Department of Physical Education and Kinesiology, Brock University, 500 Glenridge Avenue, St Catharines, Ontario, Canada
Gait Posture 33:119-23. 2011..Clinicians should be aware of the processes involved in prioritization of movement components versus task goals in PD and the potential application of an attention based instructional set in altering priorities in this population... - Turning behavior in healthy older adults: Is there a preference for step versus spin turns?Sakineh B Akram
Department of Kinesiology, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
Gait Posture 31:23-6. 2010..Spin turns are less stable and have a greater biomechanical cost than step turns. The high incidence of spin turns in older adults may contribute to the higher risk of falling in this population... - Effect of walking velocity on segment coordination during pre-planned turns in healthy older adultsSakineh B Akram
Department of Kinesiology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
Gait Posture 32:211-4. 2010..The purpose of this study was to examine the effect of walking velocity on the coordination of segment reorientation during turns embedded in locomotion in healthy older adults... - Stilt walking: how do we learn those first steps?Sakineh B Akram
Department of Kinesiology, University of Waterloo, Waterloo, Ontario, Canada
Ergonomics 52:1119-27. 2009..This research examines the locomotor adaptation as young healthy adults learn the complex motor task of stilt walking; a task that is frequently used in the construction industry... - Fear of falling and postural control in Parkinson's diseaseAllan L Adkin
Gait and Posture Laboratory, Department of Kinesiology, University of Waterloo, Waterloo, Ontario, Canada
Mov Disord 18:496-502. 2003.... - Cognitive demands of postural control during continuous rotational perturbations of the support surfaceSakineh B Akram
Department of Kinesiology, University of Waterloo, Waterloo, Ontario, Canada
Gait Posture 29:86-90. 2009.... - Balance control during continuous rotational perturbations of the support surfaceSakineh B Akram
Department of Kinesiology, University of Waterloo, Waterloo, Ontario, Canada
Gait Posture 27:393-8. 2008..Our results suggest that at least a two-link model of human stance is required to explain responses when the support surface is rotating... - Locomotor adaptations for changes in the slope of the walking surfaceStephen D Prentice
Gait and Posture Laboratory, Department of Kinesiology, University of Waterloo, 200 University Ave West, Waterloo, Ont, Canada N2L 3G1
Gait Posture 20:255-65. 2004.... - Dopaminergic modulation of timing control and variability in the gait of Parkinson's diseaseQuincy J Almeida
Movement Disorders Research and Rehabilitation Centre, Department of Kinesiology and Physical Education, Faculty of Science, Wilfrid Laurier University, Waterloo, Ontario, Canada
Mov Disord 22:1735-42. 2007..Step-to-step variability differences between PD and healthy (e.g. step and double-support time measurements) may be indicative of specific basal ganglia involvement in temporal control of gait... - Organization of postural responses following a rotational support surface perturbation, after TKA: sagittal plane rotationsWilliam H Gage
Toronto Rehabilitation Institute, 550 University Avenue, Toronto, Ont, Canada
Gait Posture 25:112-20. 2007..Bilateral changes appear to reflect a simplification in the organization of the motor response, in response to the needs of the injured, or previously injured limb... - Does articulation contribute to modifications of postural control during dual-task paradigms?Mylène C Dault
Canadian Institutes of Health Research, 410 Laurier Avenue West, 9th Floor, Address Locator 4209A, Ottawa, Ontario, Canada
Brain Res Cogn Brain Res 16:434-40. 2003.... - Coordination of segments reorientation during on-the-spot turns in healthy older adults in eyes-open and eyes-closed conditionsSakineh B Akram
Department of Kinesiology, University of Waterloo, Waterloo, Ontario, Canada
Gait Posture 32:632-6. 2010..Without vision, the functional importance of a faster head turn is diminished. Participants may have adopted a tighter control of segments to simplify the control of movement by reducing the degrees of freedom... - Kinematic and kinetic validity of the inverted pendulum model in quiet standingWilliam H Gage
Gait and Posture Laboratory, Department of Kinesiology, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1
Gait Posture 19:124-32. 2004..These data support and extend the use of an inverted pendulum model to represent quiet standing postural control... - Fear of falling modifies anticipatory postural controlAllan L Adkin
Gait and Posture Laboratory, Department of Kinesiology, 200 University Avenue West, University of Waterloo, Waterloo, Ontario, Canada, N2L 3G1
Exp Brain Res 143:160-70. 2002..Our findings suggest alterations in the magnitude of postural adjustments may be magnified by fear of falling while changes in the timing of postural adjustments may reflect underlying pathology... - Postural, physiological and psychological reactions to challenging balance: does age make a difference?Mark G Carpenter
School of Human Kinetics, University of British Columbia, Vancouver, British Columbia, Canada
Age Ageing 35:298-303. 2006..To determine if increases in balance challenge influenced concomitant change in self-efficacy, state anxiety and physiological arousal, and if these changes were correlated with changes in standing balance in young and older adults... - Effects of postural anxiety on the soleus H-reflexKathryn M Sibley
University of Toronto, Toronto Rehabilitation Institute, 550 University Avenue Room 11019, Toronto, ON, Canada M5G 2A2
Hum Mov Sci 26:103-12. 2007..These findings have implications for understanding control of standing balance in individuals with postural instability and/or fear of falling, such as the elderly or stroke... - Postural responses following a rotational support surface perturbation, following knee joint replacement: frontal plane rotationsWilliam H Gage
York University, 4700 Keele Street, Toronto, Ontario, Canada M3J 1P3
Gait Posture 27:286-93. 2008..Clinically, these findings are relevant in understanding that fully recovered TKA patients may continue to demonstrate balance impairments, and that balance training during physical rehabilitation may be advantageous to these patients... - The control of upright stance in young, elderly and persons with Parkinson's diseaseNicolas Termoz
Andre Barbeau Movement Disorders Unit, Hôtel Dieu CHUM, Montreal, Quebec, Canada
Gait Posture 27:463-70. 2008..These findings suggest that PD subjects resort to a stiffening strategy to control their balance in postural tasks that imply a mixed control (ankle and hip mechanisms) but have adapted to their stooped posture... - Does practice modify the relationship between postural control and the execution of a secondary task in young and older individuals?Mylène C Dault
Canadian Institutes of Health Research, Ottawa, Ont, Canada
Gerontology 50:157-64. 2004..Therefore, by practicing this dual-task situation, interference could perhaps be diminished. Since the dual-tasking efficiency is reduced with aging, practice could be very beneficial to older adults...