Marjorie Woollacott

Summary

Affiliation: University of Oregon
Country: USA

Publications

  1. ncbi request reprint Balance control during walking in the older adult: research and its implications
    M H Woollacott
    Department of Exercise and Movement Science, University of Oregon, Eugene 97403, USA
    Phys Ther 77:646-60. 1997
  2. ncbi request reprint Postural response in older adults with different levels of functional balance capacity
    Sang I Lin
    Department of Physical Therapy, National Cheng Kung University, Tainan, Taiwan
    Aging Clin Exp Res 16:369-74. 2004
  3. ncbi request reprint Developmental changes in compensatory responses to unexpected resistance of leg lift during gait initiation
    Marjorie Woollacott
    Department of Exercise and Movement Science, University of Oregon, Eugene, OR 97403, USA
    Exp Brain Res 144:385-96. 2002
  4. ncbi request reprint Attention and the control of posture and gait: a review of an emerging area of research
    Marjorie Woollacott
    Department of Exercise and Movement Science, University of Oregon, Eugene, OR 97403, USA
    Gait Posture 16:1-14. 2002
  5. ncbi request reprint Effect of balance training on muscle activity used in recovery of stability in children with cerebral palsy: a pilot study
    Marjorie Woollacott
    Department of Human Physiology, University of Oregon, Eugene, OR 97403, USA
    Dev Med Child Neurol 47:455-61. 2005
  6. pmc Eye hand coordination in children with cerebral palsy
    Sandra Saavedra
    Human Physiology, University of Oregon, Eugene, OR, USA
    Exp Brain Res 192:155-65. 2009
  7. pmc Effects of postural support on eye hand interactions across development
    Sandy Saavedra
    Department of Human Physiology and Institute of Neuroscience, University of Oregon, 122C Esslinger Hall, Eugene, OR 97403 1240, USA
    Exp Brain Res 180:557-67. 2007
  8. pmc Head stability during quiet sitting in children with cerebral palsy: effect of vision and trunk support
    Sandra Saavedra
    Department of Human Physiology and Institute of Neuroscience, University of Oregon, 122C Esslinger Hall, Eugene, OR 97403 1240, USA
    Exp Brain Res 201:13-23. 2010
  9. ncbi request reprint Ankle force and rate of force production increase following high intensity strength training in frail older adults
    Jennifer A Hess
    Labor Education and Research Center, University of Oregon, Eugene, 97403, USA
    Aging Clin Exp Res 18:107-15. 2006
  10. pmc Attentional mechanisms contributing to balance constraints during gait: the effects of balance impairments
    Ka Chun Siu
    Department of Human Physiology, Institute of Neuroscience, University of Oregon, Eugene OR, USA
    Brain Res 1248:59-67. 2009

Detail Information

Publications31

  1. ncbi request reprint Balance control during walking in the older adult: research and its implications
    M H Woollacott
    Department of Exercise and Movement Science, University of Oregon, Eugene 97403, USA
    Phys Ther 77:646-60. 1997
    ..Clinical implications that may be useful for clinicians for assessment and treatment of balance problems that occur during walking are also discussed...
  2. ncbi request reprint Postural response in older adults with different levels of functional balance capacity
    Sang I Lin
    Department of Physical Therapy, National Cheng Kung University, Tainan, Taiwan
    Aging Clin Exp Res 16:369-74. 2004
    ..The purpose of this study was to test the hypothesis that functional balance capacity contributes more than age to changes in postural response in the elderly...
  3. ncbi request reprint Developmental changes in compensatory responses to unexpected resistance of leg lift during gait initiation
    Marjorie Woollacott
    Department of Exercise and Movement Science, University of Oregon, Eugene, OR 97403, USA
    Exp Brain Res 144:385-96. 2002
    ....
  4. ncbi request reprint Attention and the control of posture and gait: a review of an emerging area of research
    Marjorie Woollacott
    Department of Exercise and Movement Science, University of Oregon, Eugene, OR 97403, USA
    Gait Posture 16:1-14. 2002
    ..g. Parkinson's disease) on the ability to allocate attention to postural tasks and appear to be sensitive measures in both predicting fall risk and in documenting recovery of stability...
  5. ncbi request reprint Effect of balance training on muscle activity used in recovery of stability in children with cerebral palsy: a pilot study
    Marjorie Woollacott
    Department of Human Physiology, University of Oregon, Eugene, OR 97403, USA
    Dev Med Child Neurol 47:455-61. 2005
    ....
  6. pmc Eye hand coordination in children with cerebral palsy
    Sandra Saavedra
    Human Physiology, University of Oregon, Eugene, OR, USA
    Exp Brain Res 192:155-65. 2009
    ..We have previously suggested that coupled activation of effectors may be the default output for the CNS during early development...
  7. pmc Effects of postural support on eye hand interactions across development
    Sandy Saavedra
    Department of Human Physiology and Institute of Neuroscience, University of Oregon, 122C Esslinger Hall, Eugene, OR 97403 1240, USA
    Exp Brain Res 180:557-67. 2007
    ....
  8. pmc Head stability during quiet sitting in children with cerebral palsy: effect of vision and trunk support
    Sandra Saavedra
    Department of Human Physiology and Institute of Neuroscience, University of Oregon, 122C Esslinger Hall, Eugene, OR 97403 1240, USA
    Exp Brain Res 201:13-23. 2010
    ..Our results demonstrate that children with mild to moderate CP have deficits in head stability even during quiet sitting...
  9. ncbi request reprint Ankle force and rate of force production increase following high intensity strength training in frail older adults
    Jennifer A Hess
    Labor Education and Research Center, University of Oregon, Eugene, 97403, USA
    Aging Clin Exp Res 18:107-15. 2006
    ..This study evaluated the effect of a 10-week high intensity strength-training program targeting key lower extremity muscles for the purpose of improving postural control in frail older adults...
  10. pmc Attentional mechanisms contributing to balance constraints during gait: the effects of balance impairments
    Ka Chun Siu
    Department of Human Physiology, Institute of Neuroscience, University of Oregon, Eugene OR, USA
    Brain Res 1248:59-67. 2009
    ..Two possible attentional mechanisms (reduced general attentional capacity vs. a true dual-task performance deficit and inability to allocate attention between two tasks) contributing to balance constraints were examined...
  11. doi request reprint Non-visual spatial tasks reveal increased interactions with stance postural control
    Marjorie Woollacott
    Department of Human Physiology, University of Oregon, Eugene, OR 97403, USA
    Brain Res 1208:95-102. 2008
    ..These results suggest that it is the employment of limited non-visual spatially based coding resources that may underlie previously observed visual dual-task interference effects with stance postural control in healthy young adults...
  12. ncbi request reprint From egocentric to exocentric spatial orientation: development of posture control in bimanual and trunk inclination tasks
    Maria Nida Roncesvalles
    Texas Tech University, Lubbock, TX, USA
    J Mot Behav 37:404-16. 2005
    ..Echoing previous reports, 7-9 years of age appears to be a critical period in which children master postural control and develop an internal representation of body scheme...
  13. ncbi request reprint Attentional demands of postural control: the ability to selectively allocate information-processing resources
    Ka Chun Siu
    Department of Human Physiology, University of Oregon, Eugene, OR 97403, USA
    Gait Posture 25:121-6. 2007
    ..This suggests the existence of a hierarchy within attentional tasks with postural stability being a priority to stabilize gaze and head position...
  14. ncbi request reprint Training of balance under single- and dual-task conditions in older adults with balance impairment
    Patima Silsupadol
    Department of Human Physiology, 1240 University of Oregon, Eugene, OR 97403 1240, USA
    Phys Ther 86:269-81. 2006
    ..The purpose of this case report is to describe 3 balance training approaches in older adults with impaired balance...
  15. ncbi request reprint Selective utilization of spatial working memory resources during stance posture
    Timothy J VanderVelde
    Department of Human Physiology, University of Oregon, Eugene, OR 97403, USA
    Neuroreport 16:773-7. 2005
    ..Results demonstrated no significant effect of the cognitive tasks upon postural stability...
  16. ncbi request reprint Multiple saccades are more automatic than single saccades
    Paul van Donkelaar
    Department of Human Physiology and Institute of Neuroscience, University of Oregon, Eugene, Oregon 97403 1240, USA
    J Neurophysiol 97:3148-51. 2007
    ..Taken together, the present data suggest that multiple saccades are generated in a more automatic manner than single saccades...
  17. ncbi request reprint Effect of high-intensity strength-training on functional measures of balance ability in balance-impaired older adults
    Jennifer A Hess
    Faculty of the Labor Education and Research Center, University of Oregon, Eugene, OR 97403, USA
    J Manipulative Physiol Ther 28:582-90. 2005
    ..The aim of this study was to evaluate the effect of a 10-week, high-intensity strength-training program targeting key lower extremity muscles for the purpose of improving postural control in balance-impaired older adults...
  18. pmc Interaction between the development of postural control and the executive function of attention
    Dinah S Reilly
    Department of Human Physiology, University of Oregon, Eugene
    J Mot Behav 40:90-102. 2008
    ..Their performance of an intentionally demanding cognitive task would be enhanced by the provision of appropriately sized desks and chairs or their use of an alternate, less demanding position...
  19. pmc Training-related changes in dual-task walking performance of elderly persons with balance impairment: a double-blind, randomized controlled trial
    Patima Silsupadol
    Department of Human Physiology, 1240 University of Oregon, Eugene, OR 97403, United States
    Gait Posture 29:634-9. 2009
    ..Improved dual-task processing skills did not transfer to a novel dual-task condition. Results support Kramer et al.'s proposal that VP training improves both single-task automatization and the development of task-coordination skills...
  20. doi request reprint The interaction between executive attention and postural control in dual-task conditions: children with cerebral palsy
    Dinah S Reilly
    Department of Human Physiology, University of Oregon, Eugene, OR, USA
    Arch Phys Med Rehabil 89:834-42. 2008
    ..To investigate the interference between a secondary task and a postural task in children with cerebral palsy (CP)...
  21. ncbi request reprint Lower extremity kinetics for balance control in children with cerebral palsy
    Jessie Chen
    Department of Physiology and Neuroscience, New York University School of Medicine, Eugene, OR 97403, USA
    J Mot Behav 39:306-16. 2007
    ..Evidence for pathology included increased numbers of torque bursts required to regain stability and less efficient temporal and spatial organization of torque activation patterns...
  22. ncbi request reprint An intensive massed practice approach to retraining balance post-stroke
    Laura Adomaitis Vearrier
    Department of Exercise and Movement Science, Institute of Neuroscience, 1240 University of Oregon, Eugene, 97403 1240, USA
    Gait Posture 22:154-63. 2005
    ..The purpose of this study was to test if the intensive massed practice intervention (6h/day for 2 consecutive weeks) could significantly improve balance function post-stroke...
  23. pmc Dual-task interference during obstacle clearance in healthy and balance-impaired older adults
    Ka Chun Siu
    Motor Control Laboratory, Department of Human Physiology, Institute of Neuroscience, University of Oregon, Eugene, Oregon, USA
    Aging Clin Exp Res 20:349-54. 2008
    ..To investigate dual-task interference between a concurrent cognitive task (auditory Stroop test) and obstacle avoidance in older adults with or without a history of falls...
  24. ncbi request reprint Postural muscle responses following changing balance threats in young, stable older, and unstable older adults
    Sang I Lin
    Department of Physical Therapy, National Cheng Kung University, No 1 Ta Hsueh Road, Tainan, Taiwan 701
    J Mot Behav 34:37-44. 2002
    ..When designing balance training programs, therefore, therapists should consider the adult's level of functional stability...
  25. pmc Effects of a secondary task on obstacle avoidance in healthy young adults
    Ka Chun Siu
    HPER Biomechanics Laboratory, University of Nebraska at Omaha, Omaha, NE 68182, USA
    Exp Brain Res 184:115-20. 2008
    ..Our findings suggest the existence of a hierarchy of control within both postural task (obstacle avoidance requires the most information processing resources) and dual-task (with gait stability being a priority) conditions...
  26. ncbi request reprint Gait mechanics in chronic ACL deficiency and subsequent repair
    Reed Ferber
    Department of Physical Therapy, University of Delaware, 301 McKinly Lab, Newark, DE 19716 2591, USA
    Clin Biomech (Bristol, Avon) 17:274-85. 2002
    ..To determine how normal gait patterns may change as a result of chronic anterior cruciate ligament deficiency and subsequent reconstructive surgery...
  27. ncbi request reprint Reactive balance adjustments to unexpected perturbations during human walking
    Reed Ferber
    Department of Physical Therapy, University of Delaware, 301 McKinly Lab, Newark, DE 19716 2591, USA
    Gait Posture 16:238-48. 2002
    ..Therefore, reactive balance control was a synchronized effort of the lower extremity joints to prevent collapse during the FP...
  28. ncbi request reprint Gait perturbation response in chronic anterior cruciate ligament deficiency and repair
    Reed Ferber
    Department of Physical Therapy, University of Delaware, Newark, DE 19716 2591, USA
    Clin Biomech (Bristol, Avon) 18:132-41. 2003
    ..To determine how chronic anterior cruciate ligament deficient and surgically repaired subjects react to unexpected forward perturbations during gait as compared to healthy controls...
  29. ncbi request reprint An emerging postural response: is control of the hip possible in the newly walking child?
    Maria Nida C Roncesvalles
    Department of Health, Exercise and Sport Sciences, Texas Tech University, Lubbock, TX, USA
    J Mot Behav 36:147-59. 2004
    ..Greater success in withstanding large magnitudes of perturbations were associated with actively generated hip responses...
  30. ncbi request reprint Bilateral accommodations to anterior cruciate ligament deficiency and surgery
    Reed Ferber
    Human Performance Laboratory, Faculty of Kinesiology, University of Calgary, 2500 University Drive NW, Calgary, Alta, Canada T2N 1N4
    Clin Biomech (Bristol, Avon) 19:136-44. 2004
    ..OBJECTIVE To determine bilateral lower extremity joint accommodations during gait in anterior cruciate ligament deficient subjects and uninjured controls...
  31. doi request reprint Pitch and space maps of skilled cellists: accuracy, variability, and error correction
    Jessie Chen
    Department of Physiology and Neuroscience, New York University School of Medicine, 550 First Avenue MSB 442, New York, NY 10016, USA
    Exp Brain Res 188:493-503. 2008
    ..Our results suggest that a performer's intonation should not be viewed as a fixed entity implied by the score but as a sample from a statistical distribution...