John G Buckley

Summary

Affiliation: University of Bradford
Country: UK

Publications

  1. ncbi request reprint Postural sway and active balance performance in highly active lower-limb amputees
    John G Buckley
    Department of Exercise and Sport Science, Manchester Metropolitan University, Hassall Road, Alsager, Stoke on Trent ST7 2HL, Manchester, UK
    Am J Phys Med Rehabil 81:13-20. 2002
  2. ncbi request reprint Postural stability changes in the elderly with cataract simulation and refractive blur
    Vijay Anand
    Department of Optometry, University of Bradford, Bradford, United Kingdom
    Invest Ophthalmol Vis Sci 44:4670-5. 2003
  3. doi request reprint Walking speed related joint kinetic alterations in trans-tibial amputees: impact of hydraulic 'ankle' damping
    Alan R De Asha
    Division of Medical Engineering, School of Engineering, University of Bradford, Bradford BD7 1DP, UK
    J Neuroeng Rehabil 10:107. 2013
  4. pmc Understanding adaptive gait in lower-limb amputees: insights from multivariate analyses
    John G Buckley
    Division of Medical Engineering, School of Engineering, Design and Technology, University of Bradford, Richmond Road, Bradford BD7 1DP, UK
    J Neuroeng Rehabil 10:98. 2013
  5. doi request reprint Is stair descent in the elderly associated with periods of high centre of mass downward accelerations?
    John G Buckley
    School of Engineering, Design and Technology, University of Bradford, Bradford, West Yorkshire, UK
    Exp Gerontol 48:283-9. 2013
  6. pmc When is visual information used to control locomotion when descending a kerb?
    John G Buckley
    School of Engineering, Design and Technology, University of Bradford, Bradford, West Yorkshire, United Kingdom
    PLoS ONE 6:e19079. 2011
  7. ncbi request reprint The effects of blurring vision on medio-lateral balance during stepping up or down to a new level in the elderly
    John G Buckley
    Department of Optometry, University Bradford, Richmond Building, West Yorkshire, UK
    Gait Posture 22:146-53. 2005
  8. ncbi request reprint The effects of blurred vision on the mechanics of landing during stepping down by the elderly
    John G Buckley
    Department of Optometry, University of Bradford, Bradford West Yorkshire BD7 1DP, UK
    Gait Posture 21:65-71. 2005
  9. ncbi request reprint Does head extension and flexion increase postural instability in elderly subjects when visual information is kept constant?
    John G Buckley
    Department of Optometry, Richmond Building, University of Bradford, Bradford, West Yorkshire BD7 1DP, UK
    Gait Posture 21:59-64. 2005
  10. doi request reprint Age-differences in the free vertical moment during step descent
    John G Buckley
    Vision and Mobility Research Lab, School of Engineering, Design and Technology, University of Bradford, Bradford, West Yorkshire, UK
    Clin Biomech (Bristol, Avon) 25:147-53. 2010

Detail Information

Publications35

  1. ncbi request reprint Postural sway and active balance performance in highly active lower-limb amputees
    John G Buckley
    Department of Exercise and Sport Science, Manchester Metropolitan University, Hassall Road, Alsager, Stoke on Trent ST7 2HL, Manchester, UK
    Am J Phys Med Rehabil 81:13-20. 2002
    ..To determine the balance performance of active lower-limb amputees during quiet standing and under dynamic conditions...
  2. ncbi request reprint Postural stability changes in the elderly with cataract simulation and refractive blur
    Vijay Anand
    Department of Optometry, University of Bradford, Bradford, United Kingdom
    Invest Ophthalmol Vis Sci 44:4670-5. 2003
    ..To determine the influence of cataractous and refractive blur on postural stability and limb-load asymmetry (LLA) and to establish how postural stability changes with the spatial frequency and contrast of the visual stimulus...
  3. doi request reprint Walking speed related joint kinetic alterations in trans-tibial amputees: impact of hydraulic 'ankle' damping
    Alan R De Asha
    Division of Medical Engineering, School of Engineering, University of Bradford, Bradford BD7 1DP, UK
    J Neuroeng Rehabil 10:107. 2013
    ....
  4. pmc Understanding adaptive gait in lower-limb amputees: insights from multivariate analyses
    John G Buckley
    Division of Medical Engineering, School of Engineering, Design and Technology, University of Bradford, Richmond Road, Bradford BD7 1DP, UK
    J Neuroeng Rehabil 10:98. 2013
    ....
  5. doi request reprint Is stair descent in the elderly associated with periods of high centre of mass downward accelerations?
    John G Buckley
    School of Engineering, Design and Technology, University of Bradford, Bradford, West Yorkshire, UK
    Exp Gerontol 48:283-9. 2013
    ..The implications of this CoM control strategy on the incidences of falling on stairs are discussed...
  6. pmc When is visual information used to control locomotion when descending a kerb?
    John G Buckley
    School of Engineering, Design and Technology, University of Bradford, Bradford, West Yorkshire, United Kingdom
    PLoS ONE 6:e19079. 2011
    ..The present study determined when lvf information is used to control/update locomotion when stepping from a kerb...
  7. ncbi request reprint The effects of blurring vision on medio-lateral balance during stepping up or down to a new level in the elderly
    John G Buckley
    Department of Optometry, University Bradford, Richmond Building, West Yorkshire, UK
    Gait Posture 22:146-53. 2005
    ....
  8. ncbi request reprint The effects of blurred vision on the mechanics of landing during stepping down by the elderly
    John G Buckley
    Department of Optometry, University of Bradford, Bradford West Yorkshire BD7 1DP, UK
    Gait Posture 21:65-71. 2005
    ..Correcting common visual problems such as uncorrected refractive errors and cataract may be an important intervention strategy in improving how the elderly negotiate stairs...
  9. ncbi request reprint Does head extension and flexion increase postural instability in elderly subjects when visual information is kept constant?
    John G Buckley
    Department of Optometry, Richmond Building, University of Bradford, Bradford, West Yorkshire BD7 1DP, UK
    Gait Posture 21:59-64. 2005
    ..05). This suggests that increases in postural instability with the head tilted from the erect position may be in part due to mechanical perturbation rather than solely vestibular disruption...
  10. doi request reprint Age-differences in the free vertical moment during step descent
    John G Buckley
    Vision and Mobility Research Lab, School of Engineering, Design and Technology, University of Bradford, Bradford, West Yorkshire, UK
    Clin Biomech (Bristol, Avon) 25:147-53. 2010
    ..This study utilises a rarely examined biomechanical parameter--the free vertical moment--to determine age-related differences in rotational kinetics of the body about the vertical-axis when stepping down from a stationary position...
  11. ncbi request reprint Visual guidance of landing behaviour when stepping down to a new level
    John G Buckley
    Vision and Mobility Laboratory, Optometry, University of Bradford, Bradford, UK
    Exp Brain Res 184:223-32. 2008
    ..These findings indicate that online vision is customarily used to regulate landing behaviour when stepping down...
  12. ncbi request reprint Falls in older people: effects of age and blurring vision on the dynamics of stepping
    Karen Heasley
    Vision and Mobility Laboratory, Department of Optometry, University of Bradford, West Yorkshire, UK
    Invest Ophthalmol Vis Sci 46:3584-8. 2005
    ..Therefore, it is highly pertinent to assess the effects of age and vision on the performance of everyday tasks linked to falling, such as stepping from one level to another...
  13. doi request reprint Gait alterations negotiating a raised surface induced by monocular blur
    Anna Vale
    Department of Optometry, Division of Medical Engineering, School of Engineering, Design and Technology JGB, University of Bradford, Bradford, United Kingdom
    Optom Vis Sci 85:1128-34. 2008
    ..The present study investigates how acute impairment of stereopsis, through monocular blur of differing levels, ranging from 0.50 diopter (D) to a monovision correction affected gait when negotiating a raised surface in elderly subjects...
  14. doi request reprint Effects of gaze strategy on standing postural stability in older multifocal wearers
    Louise Johnson
    Department of Optometry, University of Bradford, Bradford, West Yorkshire, United Kingdom
    Clin Exp Optom 92:19-26. 2009
    ..This experiment investigated the effects of different gaze strategies on postural stability in older people, when using distance single-vision compared with multifocal (progressive addition lens and bifocal) spectacles...
  15. doi request reprint The effects of monocular refractive blur on gait parameters when negotiating a raised surface
    Anna Vale
    Vision and Mobility Research Laboratory, School of Health Studies, University of Bradford, Bradford, UK
    Ophthalmic Physiol Opt 28:135-42. 2008
    ..These findings may help explain why elderly individuals with poor visual acuity in one eye have been found to have an increased risk of falling...
  16. ncbi request reprint Multifocal spectacles increase variability in toe clearance and risk of tripping in the elderly
    Louise Johnson
    Vision and Mobility Research Laboratory, Department of Optometry, School of Health Studies, University of Bradford, Bradford, West Yorkshire, UK
    Invest Ophthalmol Vis Sci 48:1466-71. 2007
    ..The purpose of this study was to determine the effects of wearing multifocal compared with single-distance vision spectacles on minimum toe clearance and risk of tripping during step negotiation in the elderly...
  17. doi request reprint Use of single-vision distance spectacles improves landing control during step descent in well-adapted multifocal lens-wearers
    Matthew A Timmis
    Division of Medical Engineering, School of Engineering, Design, and Technology, University of Bradford, Bradford, UK
    Invest Ophthalmol Vis Sci 51:3903-8. 2010
    ..The present study investigated whether step and stair descent safety is improved by using single-vision distance lenses...
  18. ncbi request reprint Stepping up to a new level: effects of blurring vision in the elderly
    Karen Heasley
    Department of Optometry, School of Health, University of Bradford, Bradford, United Kingdom
    Invest Ophthalmol Vis Sci 45:2122-8. 2004
    ..To determine the effects of blurring vision on whole-body center-of-mass (CM) dynamics and foot-clearance parameters in elderly individuals performing a single step up to a new level...
  19. doi request reprint Peripheral visual cues affect minimum-foot-clearance during overground locomotion
    Valentina Graci
    Vision and Mobility Laboratory, Bradford School of Optometry and Vision Science, University of Bradford, Bradford, UK
    Gait Posture 30:370-4. 2009
    ....
  20. doi request reprint Visuomotor control of step descent: evidence of specialised role of the lower visual field
    Matthew A Timmis
    Vision and Mobility Laboratory, University of Bradford, Bradford, UK
    Exp Brain Res 195:219-27. 2009
    ....
  21. ncbi request reprint Functional outcome following bone transport reconstruction of distal tibial defects
    Konstantinos A Giannikas
    Department of Optometry, University of Bradford, United Kingdom
    J Bone Joint Surg Am 87:145-52. 2005
    ..The aim of this study was to investigate the functional capabilities of patients who had undergone reconstruction with distraction osteogenesis for the treatment of a distal tibial defect in one lower limb...
  22. doi request reprint Changes to control of adaptive gait in individuals with long-standing reduced stereoacuity
    John G Buckley
    Schools of Optometry and Vision Science, University of Bradford, Bradford, United Kingdom
    Invest Ophthalmol Vis Sci 51:2487-95. 2010
    ..This study was conducted to examine whether gait parameters in individuals with long-standing deficient stereopsis are similarly adapted...
  23. pmc Does my step look big in this? A visual illusion leads to safer stepping behaviour
    David B Elliott
    Bradford School of Optometry and Vision Science, University of Bradford, Bradford, West Yorkshire, United Kingdom
    PLoS ONE 4:e4577. 2009
    ..The study also addressed the controversial question of whether motor actions are dissociated from visual perception...
  24. doi request reprint Utility of peripheral visual cues in planning and controlling adaptive gait
    Valentina Graci
    Vision and Mobility Laboratory, Bradford School of Optometry and Vision Science, University of Bradford, Bradford, United Kingdom
    Optom Vis Sci 87:21-7. 2010
    ..To determine the relative importance to adaptive locomotion of peripheral visual cues provided by different parts of the visual field...
  25. ncbi request reprint Postural stability in the elderly during sensory perturbations and dual tasking: the influence of refractive blur
    Vijay Anand
    Department of Optometry, School of Health Studies, University of Bradford, Bradford, United Kingdom
    Invest Ophthalmol Vis Sci 44:2885-91. 2003
    ..To determine the influence of refractive blur on postural stability during somatosensory and vestibular system perturbation and dual tasking...
  26. doi request reprint Attenuation of centre-of-pressure trajectory fluctuations under the prosthetic foot when using an articulating hydraulic ankle attachment compared to fixed attachment
    Alan R De Asha
    Division of Medical Engineering, School of Engineering, Design and Technology, University of Bradford, Bradford, BD7 1DP, UK
    Clin Biomech (Bristol, Avon) 28:218-24. 2013
    ..This study investigated whether using an articulating hydraulic ankle attachment attenuates centre-of-pressure trajectory fluctuations under the prosthetic foot compared to a fixed attachment...
  27. doi request reprint Stair-specific algorithms for identification of touch-down and foot-off when descending or ascending a non-instrumented staircase
    Richard J Foster
    Bradford School of Optometry and Vision Science, University of Bradford, Bradford, West Yorkshire, UK Electronic address
    Gait Posture 39:816-21. 2014
    ..These results indicate that touch-down and foot-off during stair ascent and descent of non-instrumented staircases can be determined with acceptable precision using segmental kinematic data. ..
  28. pmc Effects of induced astigmatism on foot placement strategies when stepping onto a raised surface
    Louise Johnson
    School of Health Studies, University of Bradford, Bradford, West Yorkshire, United Kingdom
    PLoS ONE 8:e63351. 2013
    ....
  29. ncbi request reprint Changes in foot and shank coupling due to alterations in foot strike pattern during running
    Michael B Pohl
    Department of Physical Therapy, University of Delaware, McKinly Laboratory, Newark DE 19716, USA
    Clin Biomech (Bristol, Avon) 23:334-41. 2008
    ..The aim of this study was to assess the effects on the kinematic coupling between the forefoot, rearfoot and shank during ground contact of running with alteration in foot strike pattern...
  30. ncbi request reprint Forefoot, rearfoot and shank coupling: effect of variations in speed and mode of gait
    Michael B Pohl
    School of Sport and Exercise Sciences, University of Leeds, Leeds LS2 9JT, UK
    Gait Posture 25:295-302. 2007
    ..The aim of this study was to determine whether the coupling relationship between the forefoot, rearfoot and shank differed between walking and running, and across different running speeds...
  31. ncbi request reprint Changes in foot and lower limb coupling due to systematic variations in step width
    Michael B Pohl
    School of Sport and Exercise Sciences, University of Leeds, Leeds LS2 9JT, UK
    Clin Biomech (Bristol, Avon) 21:175-83. 2006
    ..The purpose of the present study was to determine whether the coupling relationship at the midfoot and subtalar joints was affected when step width was manipulated during running...
  32. ncbi request reprint Knee and ankle range of motion during stepping down in elderly compared to young men
    Sally D Lark
    Institute for Biophysical and Clinical Research into Human Movement, Manchester Metropolitan University, Manchester, UK
    Eur J Appl Physiol 91:287-95. 2004
    ..These results suggest that exercise prescription in the elderly should include stretching in order to increase the ROM at the ankle joint...
  33. ncbi request reprint Joint torques and dynamic joint stiffness in elderly and young men during stepping down
    Sally D Lark
    Active Life Span Research, Manchester Metropolitan University, Alsager ST7 2HL, UK
    Clin Biomech (Bristol, Avon) 18:848-55. 2003
    ..To compare the joint torque pattern and dynamic joint stiffness at the knee and ankle in elderly and young men during stepping down...
  34. ncbi request reprint Oxygen consumption during ambulation: comparison of using a prosthesis fitted with and without a tele-torsion device
    John G Buckley
    Biomechanics Research Group, Department of Exercise and Sport Science, Manchester Metropolitan University, Hassall Road, Alsager, Stoke on Trent ST2 2HL, UK
    Arch Phys Med Rehabil 83:576-80. 2002
    ..To determine the energy expenditure and subjective comfort rating of walking in transtibial amputee patients using their prosthesis fitted either with or without a tele-torsion device (TT Pylon)...
  35. doi request reprint Use of single-vision eyeglasses improves stepping precision and safety when elderly habitual multifocal wearers negotiate a raised surface
    Louise Johnson
    J Am Geriatr Soc 56:178-80. 2008