Associate Professor Gwyn Lewis

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Associate Professor

Email: gwyn.lewis@aut.ac.nz

ORCID: ORCID logo https://orcid.org/0000-0001-9324-0940

Qualifications:

  • PhD, University of Auckland

Fields of research:

  • Physiotherapy
  • Rehabilitation and Therapy (Excl. Physiotherapy)
  • Neurosciences

Professional activities:

Award, prize, fellowship, and scholarship

  • Broadfoot Trust Prize for "Outstanding Pain Research". New Zealand Pain Society, New Zealand Pain Society (2017)

Research outputs:

Journal articles

  • Hind, K., Konerth, N., Entwistle, I., Theadom, A., Lewis, G., King, D., . . . Hume, P. (2020). Cumulative sport-related injuries and longer term impact in retired male elite- and amateur-level rugby code athletes and non-contact athletes: A retrospective study. Sports Medicine. doi:10.1007/s40279-020-01310-y

  • Christopherson, R. M., Fadyl, J. K., & Lewis, G. N. (2020). Return-to-work expectations and workplace supports in New Zealand: Injured workers’ perspectives. Disability and Rehabilitation. doi:10.1080/09638288.2020.1776775

  • Neilson, V., Ward, S., Hume, P., Lewis, G., & McDaid, A. (2019). Effects of augmented feedback on training jump landing tasks for ACL injury prevention: A systematic review and meta-analysis. Physical Therapy in Sport, 39, 126-135. doi:10.1016/j.ptsp.2019.07.004

  • Rice, D. A., Mannion, J., Lewis, G. N., McNair, P. J., & Fort, L. (2019). Experimental knee pain impairs joint torque and rate of force development in isometric and isokinetic muscle activation. European Journal of Applied Physiology, 119(9), 2065-2073. doi:10.1007/s00421-019-04195-6

  • Lewis, G. N., Bean, D., & Mowat, R. (2019). How have chronic pain management programmes progressed? A mapping review. Pain Practice, 19(7), 767-784. doi:10.1111/papr.12805

  • Lewis, G. N., Rice, D. A., Kluger, M., & McNair, P. J. (2018). Transcranial direct current stimulation for upper limb neuropathic pain: A double-blind randomized controlled trial. European Journal of Pain, 22(7), 1312-1320. doi:10.1002/ejp.1220

  • Rice, D. A., Kluger, M. T., McNair, P. J., Lewis, G. N., Somogyi, A. A., Borotkanics, R., . . . Walker, M. (2018). Persistent postoperative pain after total knee arthroplasty: a prospective cohort study of potential risk factors. British Journal of Anaesthesia, 121(4), 804-812. doi:10.1016/j.bja.2018.05.070

  • Lewis, G. N., Parker, R. S., Sharma, S., Rice, D. A., & McNair, P. J. (2018). Structural brain alterations before and after total knee arthroplasty: A longitudinal assessment. Pain Medicine, 19(11), 2166-2176. doi:10.1093/pm/pny108

  • Lewis, G. N., & Upsdell, A. (2018). Ethnic disparities in attendance at New Zealand's chronic pain services.. New Zealand Medical Journal, 131(1472). Retrieved from https://www.nzma.org.nz/

  • Rice, D. A., Parker, R. S., Lewis, G. N., Kluger, M. T., & McNair, P. J. (2017). Pain catastrophizing is not associated with spinal nociceptive processing in people with chronic widespread pain. Clinical Journal of Pain, 33(9). doi:10.1097/AJP.0000000000000464

  • Lewis, G. N., Hume, P. A., Stavric, V., Brown, S. R., & Taylor, D. (2017). New Zealand rugby health study: Motor cortex excitability in retired elite and community level rugby players. New Zealand Medical Journal, 130(1448). Retrieved from https://www.ncbi.nlm.nih.gov/pubmed/28081555

  • Hume, P. A., Theadom, A., Lewis, G. N., Quarrie, K. L., Brown, S. R., Hill, R., & Marshall, S. W. (2017). A comparison of cognitive function in former rugby union players compared with former non-contact-sport players and the impact of concussion history. Sports Medicine, 47(6). doi:10.1007/s40279-016-0608-8

  • Parker, R. S., Lewis, G. N., Rice, D. A., & McNair, P. J. (2017). The association between corticomotor excitability and motor skill learning in people with painful hand arthritis. The Clinical Journal of Pain, 33(3). Retrieved from https://journals.lww.com/

  • Signal, N., McPherson, K., Lewis, G., Kayes, N., Saywell, N., Mudge, S., & Taylor, D. (2016). What influences acceptability and engagement with a high intensity exercise programme for people with stroke? A qualitative descriptive study. NeuroRehabilitation, 39(4). doi:10.3233/NRE-161382

  • Parker, R. S., Lewis, G. N., Rice, D. A., & McNair, P. J. (2016). Is motor cortical excitability altered in people with chronic pain? A systematic review and meta-analysis. Brain Stimulation, 9(4). doi:10.1016/j.brs.2016.03.020

  • Lewis, G. N., Leys, A., Rice, D. A., & McNair, P. J. (2015). Subconscious manipulation of pain expectation can modulate cortical nociceptive processing. Pain Practice, 15(2). doi:10.1111/papr.12157

  • Rice, D. A., McNair, P. J., Lewis, G. N., & Mannion, J. (2015). Experimental knee pain impairs submaximal force steadiness in isometric, eccentric, and concentric muscle actions. Arthritis Research and Therapy, 17. doi:10.1186/s13075-015-0768-1

  • Rice, D. A., Graven-Nielsen, T., Lewis, G. N., McNair, P. J., & Dalbeth, N. (2015). The effects of experimental knee pain on lower limb corticospinal and motor cortex excitability. Arthritis Research and Therapy, 17. doi:10.1186/s13075-015-0724-0

  • Rice, D. A., McNair, P. J., Lewis, G. N., & Dalbeth, N. (2015). The effects of joint aspiration and intra-articular corticosteroid injection on flexion reflex excitability, quadriceps strength and pain in individuals with knee synovitis: A prospective observational study. Arthritis Research and Therapy, 17. doi:10.1186/s13075-015-0711-5

  • Lewis, G. N., Rice, D. A., McNair, P. J., & Kluger, M. (2015). Predictors of persistent pain after total knee arthroplasty: A systematic review and meta-analysis. British Journal of Anaesthesia, 114(4). doi:10.1093/bja/aeu441

  • Lewis, G. N., Leys, A., Rice, D. A., & McNair, P. J. (2015). Subconscious manipulation of pain expectation can modulate cortical nociceptive processing. Pain Practice, 15(2). doi:10.1111/papr.12157

  • Rice, D. A., McNair, P. J., Lewis, G. N., & Dalbeth, N. (2014). Quadriceps arthrogenic muscle inhibition: The effects of experimental knee joint effusion on motor cortex excitability. Arthritis Research and Therapy, 16. doi:10.1186/s13075-014-0502-4

  • Lewis, G. N., & Rice, D. A. (2014). Chronic pain: We should not underestimate the contribution of neural plasticity. Critical Reviews in Physical and Rehabilitation Medicine, 26(1-2). doi:10.1615/CritRevPhysRehabilMed.2013010295

  • Lewis, G. N., Signal, N., & Taylor, D. (2014). Reliability of lower limb motor evoked potentials in stroke and healthy populations: How many responses are needed?. Clinical Neurophysiology, 125(4). doi:10.1016/j.clinph.2013.07.029

  • Rosie, J. A., Ruhen, S., Hing, W. A., & Lewis, G. N. (2013). Virtual rehabilitation in a school setting: Is it feasible for children with cerebral palsy?. Disability and Rehabilitation: Assistive Technology. doi:10.3109/17483107.2013.832414

  • McNair, P., & Lewis, G. (2012). Levels of evidence in medicine. International Journal of Sports Physiotherapy, 7(5).

  • Lewis, G. N., Rice, D. A., & McNair, P. J. (2012). Conditioned pain modulation in populations with chronic pain: A systematic review and meta-analysis. Journal of Pain, 13(10). doi:10.1016/j.jpain.2012.07.005

  • Lewis, GN., & Rosie, J. A. (2012). Virtual reality games for movement rehabilitation in neurological conditions: How do we meet the needs and expectations of the users?. Disability and Rehabilitation, 34(22). doi:10.3109/09638288.2012.670036

  • Lewis, G. N., Vandal, A. C., & McNair, P. J. (2012). A method to monitor upper limb movement direction encoding in the corticomotor pathway. Journal of Motor Behavior, 44(4). doi:10.1080/00222895.2012.684081

  • Taylor, L. M., Lewis, G. L., & Taylor, D. (2012). Short-term effects of electrical stimulation and voluntary activity on corticomotor excitability in healthy individuals and people with stroke. Journal of Clinical Neurophysiology, 29(3). Retrieved from https://www.scopus.com/

  • Lewis, G., Rice, D. A., Jourdain, K., & McNair, P. J. (2012). Influence of stimulation location and posture on the reliability and comfort of the nociceptive flexion reflex. Pain Research and Management, 17(2). Retrieved from http://www.pulsus.com/

  • Lewis, G. N., Heales, L., Rice, D., Rome, K., & McNair, P. J. (2012). Reliability of the conditioned pain modulation paradigm to assess endogenous inhibitory pain pathways. Pain Research and Management, 17(2). Retrieved from http://www.pulsus.com/

  • Rice, D., McNair, P. J., & Lewis, G. N. (2011). Mechanisms of quadriceps muscle weakness in knee joint osteoarthritis: the effects of prolonged vibration on torque and muscle activation in osteoarthritic and healthy control subjects. Arthritis Research and Therapy, 13(5). Retrieved from http://arthritis-research.com.ezproxy.aut.ac.nz/content/pdf/ar3467.pdf

  • Rogers, L. M., Stinear, J. W., Lewis, G. N., & Brown, D. A. (2011). Descending control to the nonparetic limb degrades the cyclic activity of paretic leg muscles. Human Movement Science, 30(6). doi:10.1016/j.humov.2011.03.001

  • Lewis, G. N., Woods, C., Rosie, J. A., & McPherson, K. M. (2011). Virtual reality games for rehabilitation of people with stroke: Perspectives from the users. Disability & Rehabilitation: Assistive Technology, 6(5). doi:10.3109/17483107.2011.574310

  • Lewis, G. N., MacKinnon, C. D., Trumbower, R. D., & Perreault, E. J. (2010). Co-contraction modifies the stretch reflex elicited in muscles shortened by a joint perturbation. Experimental Brain Research, 207. doi:10.1007/s00221-010-2426-9

  • Bradnam, L. V., Stinear, C. M., Lewis, G. N., & Byblow, W. D. (2010). Task-dependent modulation of inputs to proximal upper limb following transcranial direct current stimulation of primary motor cortex. Journal of Neurophysiology, 103.

  • Lewis, G. N., & McNair, P. J. (2009). Heteronymous Ia afferent connections in the upper limb following stroke. Muscle & Nerve, 41(1). Retrieved from http://onlinelibrary.wiley.com.ezproxy.aut.ac.nz/

  • Louise-Bender Pape, T., Rosenow, J., Lewis, G., Ahmed, G., Walker, M., Guernon, A., . . . Patil, V. (2009). Repetitive transcranial magnetic stimulation-associated neurobehavioral gains during coma recovery. Brain Stimulation, 2(1). Retrieved from http://www.sciencedirect.com.ezproxy.aut.ac.nz/

  • Stoykov, M. E., Lewis, G. N., & Corcos, D. M. (2009). Comparison of bilateral and unilateral training for upper extremity hemiparesis in stroke. Neurorehabililitation and Neural Repair, 23(9). Retrieved from http://ejscontent.ebsco.com.ezproxy.aut.ac.nz/

  • Lewis, G., & McNair, P. (2009). Muscle inhibition following tendon stimulation is reduced in chronic stroke. Clinical Neurophysiology, 120(9). Retrieved from http://www.sciencedirect.com.ezproxy.aut.ac.nz/

  • Lewis, G. N., & Perreault, E. J. (2009). An assessment of robot-assisted bimanual movements on upper limb motor coordination following stroke. IEEE Transactions on Neural Systems & Rehabilitation Engineering, 17(6). Retrieved from http://ieeexplore.ieee.org.ezproxy.aut.ac.nz/

  • Schindler Ivens, S., Brown, D. A., Lewis, G. N., Nielsen, J. B., Ondishko, K. L., & Wieser, J. (2008). Soleus H-reflex excitability during pedaling post-stroke. Experimental Brain Research, 188.

  • Roberts, L. V., Stinear, C. M., Lewis, G. N., & Byblow, W. D. (2008). Task-dependent modulation of propriospinal inputs to human shoulder. Journal of Neurophysiology, 100.

  • Perreault, E. J., Chen, K., Trumbower, R. D., & Lewis, G. N. (2008). Interactions with compliant loads alter stretch reflex gains but not intermuscular coordination. Journal of Neurophysiology, 99.

  • Lewis, G. N., & Perreault, E. J. (2007). Side of lesion influences interhemispheric inhibition in subjects with post-stroke hemiparesis. Clinical Neurophysiology, 118.

  • Lewis, G. N., & Perreault, E. J. (2007). Side of lesion influences bilateral activation in chronic, post-stroke hemiparesis. Clinical Neurophysiology, 118(9).

  • Perreault, E. J., Chen, K., & Lewis, G. N. (2006). Regulation of multijoint stretch reflexes during interactions with stiff and compliant environments.. Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference, 300-302.

  • Pape, T. L. -B., Rosenow, J. M., & Lewis, G. N. (2006). Transcranial magnetic stimulation: A possible treatment for TBI. Journal of Head Trauma Rehabilitation, 21(5).

  • Lewis, G. N., MacKinnon, C. D., & Perreault, E. J. (2006). The effect of task instruction on the excitability of spinal and supraspinal reflex pathways projecting to the biceps muscle. Experimental Brain Research, 174(3).

  • Lewis, G. N., Perreault, E. J., & MacKinnon, C. D. (2005). The influence of perturbation duration and velocity on the long-latency response to stretch in the biceps muscle. Experimental Brain Research, 163(3).

  • Lewis, G. N., & Byblow, W. D. (2004). Bimanual Coordination Dynamics in Poststroke Hemiparetics. Journal of Motor Behavior, 36(2), 174-188. doi:10.3200/JMBR.36.2.174-188

  • Lewis, G. N., & Byblow, W. D. (2004). Neurophysiological and behavioral adaptations to a bilateral training intervention in individuals following stroke. Clinical Rehabilitation, 18(1), 48-59. doi:10.1191/0269215504cr701oa

  • Lewis, G. N., Polych, M. A., & Byblow, W. D. (2004). Proposed cortical and sub-cortical contributions to the long-latency stretch reflex in the forearm. Experimental Brain Research, 156(1).

  • Lewis, G. N., & Byblow, W. D. (2004). The effects of repetitive proprioceptive stimulation on corticomotor representation in intact and hemiplegic individuals. Clinical Neurophysiology, 115.

  • Byblow, W. D., Lewis, G. N., & Stinear, J. W. (2003). Effector specific visual information influences kinesthesis and reaction time performance in Parkinson's disease. Journal of Motor Behavior, 35(2).

  • Lewis, G. N., & Byblow, W. D. (2002). Modulations in corticomotor excitability during passive movement of the upper limb. Is there a cortical influence?. Brain Research, 943(2).

  • Lewis, G. N., & Byblow, W. D. (2002). Altered sensorimotor integration in Parkinson's disease. Brain, 125(9).

  • Byblow, W. D., Summers, J. J., Lewis, G. N., & Thomas, J. (2002). Bimanual coordination in Parkinson's disease: Deficits in movement frequency, amplitude and pattern switching. Movement Disorders, 17(1).

  • Lewis, G. N., Byblow, W. D., & Carson, R. G. (2001). Phasic modulation of corticomotor excitability during passive movement of the upper limb: effects of movement frequency and muscle specificity. Brain Research, 900(2).

  • Lewis, G. N., & Byblow, W. D. (2001). A method to monitor corticomotor excitability during passive rhythmic movement of the upper limb. Brain Research Protocols, 8(1).

  • Lewis, G. N., Byblow, W. D., & Walt, S. E. (2000). Stride length regulation in Parkinson's disease: the use of extrinsic, visual cues. Brain, 123.

Book chapters

  • Byblow, W. D., Lewis, G. N., Stinear, J. W., & Carson, R. G. (2004). The modulation of excitability in corticospinal pathways during rhythmic movement. In S. P. Swinnen, & J. Duysens (Eds.), Interlimb Coordination. Netherlands: Kluwer Academic.

Conference contributions

  • Lewis, G. (2019). Persistent pain following total knee arthroplasty. In New Zealand Pain Society Annual Scientific Meeting. Christchurch.

  • Lewis, G., & Lee, K. (2019). Short term relief of chronic multisite pain with Bowen Therapy: A double-blind, randomised controlled trial. In New Zealand Pain Society Annual Scientific Meeting. Christchurch.

  • Lewis, G., Bean, D., & Mowat, R. (2019). How have our chronic pain management programmes progressed?. In New Zealand Pain Society Annual Scientific Meeting. Christchurch.

  • Lewis, G., Rice, D., Kluger, M., & McNair, P. (2018). Transcranial direct current stimulation for upper limb neuropathic pain: A double-blind randomized controlled trial. In International Association for the Study of Pain’s 17th World Congress on Pain. Boston: IASP.

  • Rice, D., Kluger, M., Lewis, G., McNair, P., Borotkanics, R., Somogyi, A., . . . Walker, M. (2018). Persistent postoperative pain after total knee arthroplasty: A prospective cohort study of potential risk factors.. In International Association for the Study of Pain’s 17th World Congress on Pain,. Boston. Retrieved from https://www.iaspworldcongressonpain.org/

  • Borotkanics, R., Rice, D., Kluger, M., McNair, P., Lewis, G., Somogyi, A., . . . Walker, M. (2017). My knee still hurts; the statistical pathway to the development of a clinical decision aid.. In International Association of Statistical Computing (Asian Regional Society) and New Zealand Statistical Association Joint Conference. Auckland.

  • Rice, D., Barratt, D., Victory, H., Christup, L., Kluger, M., McNair, P., . . . Somogyi, A. (2017). Interleukin genetics and not COMT or OPRM1 may affect risk of persistent pain following total knee arthroplasty.. In APSA-ASCEPT Joint Scientific Meeting. Brisbane.

  • Lewis, G. (2017). Pain, Body and Brain @ AUT. In New Zealand Pain Society Annual Scientific Meeting. Nelson.

  • Lewis, G. (2017). Structural changes in the brain prior to and following knee joint replacement. In New Zealand Pain Society Annual Scientific Meeting. Nelson.

  • Lewis, G., Sharma, S., Parker, R., Rice, D., & McNair, P. (2017). Structural changes in the brain prior to and following knee joint replacement. In 42nd Annual Conference of the New Zealand Pain Society. Nelson.

  • Lewis, G., Bossenger, N., & Theadom. (2017). Immediate effect of a brief mindfulness body scan meditation on the Nociceptive System. In New Zealand Pain Society Annual Scientific Meeting. New Plymouth.

  • Lewis, G., parker., rice., & mcnair. (2016). Is corticomotor excitability altered in people with chronic pain? A systematic review and meta-analysis. In International Association for the Study of Pain Congress. Yokohama.

  • parker., Lewis, G., rice., & mcnair. (2016). Does painful hand arthritis influence motor cortex excitability and motor skill learning?. In Physiotherapy New Zealand Conference. Auckland.

  • Sharma, S., Lewis, G., Rice., mcnair., & Parker. (2016). White matter changes after joint replacement in people with knee osteoarthritis. In Australasian Winter Conference on Brain Research. .

  • Parker, R., Lewis, G., Rice, D., & Mcnair, P. (2016). Does painful hand arthritis influence motor cortex excitability and motor skill learning?. In European League Against Rheumatism Annual Congress. London.

  • Rice, D., Parker, R., Lewis, G., & McNair, P. (2016). Is pain catastrophising associated with impaired conditioned pain modulation in people with chronic widespread pain?. In Annual European Congress of Rheumatology. London.

  • rice., Kluger, M., Lewis, G., McNair., Somogyi, A., & Walker, M. (2016). Can perioperative factors differentiate patients who develop persistent pain after total knee arthroplasty?. In Faculty of Pain Medicine, Australia New Zealand College of Anaesthetists Annual Scientific Meeting. .

  • Rice, D., Kluger, M., Lewis, G., McNair, P., Somogyi, A., & Walker, M. (2016). Can perioperative factors differentiate patients who develop persistent pain after total knee arthroplasty?. In Australia New Zealand College of Anaesthetists Annual Scientific Meeting. Auckland.

  • Lewis, G. (2016). Neural plasticity and chronic pain. In Faculty of Pain Medicine Refresher Course Day. Auckland.

  • Parker., Lewis, G., Rice., & McNair. (2016). Does painful hand arthritis influence motor cortex excitability and motor skill learning?. In New Zealand Pain Society Annual Scientific Meeting. New Plymouth.

  • Kluger, M., Rice, D., Lewis, G., McNair, P., Somogyi, A., & Walker, M. (2015). Can preoperative factors differentiate those patients who are more likely to develop chronic postsurgical pain after total knee joint arthroplasty?. In Australia New Zealand College of Anaesthetists Annual Scientific Meeting. Adelaide.

  • Rice, D. A., Lewis, G. N., Skarin, M., & Parker, R. (2015). Quantitative Sensory Testing for Clinical and Research Purposes.. In 40th Annual Scientific Meeting of the New Zealand Pain Society. Auckland.

  • Harman, B., Bassett, S., & Lewis, G. (2015). Can the Health Action Process Approach explain physical activity following total knee arthroplasty?. In Physiotherapy Vol. 101 (pp. eS531-eS532). Singapore: Elsevier. doi:10.1016/j.physio.2015.03.3339

  • Harman, B. L. (2015). Can the health action process approach explain physical activity following total knee arthroplasty?. In World Confederation for Physical Therapy Congress 2015. Singapore.

  • Signal, N., McPherson, K., Lewis, G., & Taylor, D. (2015). Training intensity: A barrier or facilitator to engagement in rehabilitation following stroke?. In World Confederation for Physical Therapy Congress 2015. Singapore.

  • Huggins, L., Lewis, G. N., Rice, D., Kluger, M. T., & Chaffey, L. (2014). Multi-disciplinary pain management education – what do the medical students think?. In 14th Asian Australasian Congress of Anaesthesiologists. Auckland. Retrieved from http://www.aaca2014.com/

  • Harman, B., Bassett, S. F., & Lewis, G. (2014). Can the health action process approach explain physical activity following total knee arthroplasty?. In The Australasian Society of Behavioural Health & Medicine. Health behaviours: connecting individuals and communities.. Auckland.

  • Rice, D., McNair, P. J., Lewis, G. N., & Dalbeth, N. (2014). The effects of experimental knee joint effusion on quadriceps corticomotor excitability, intracortical excitability and the cortical silent period. In 19th European Congress of Physical and Rehabilitation Medicine. Marseille. Retrieved from http://www.esprm2014.com/

  • Parker, R. S., Lewis, G. N., Rice, D., & McNair, P. J. (2014). Does chronic arthritic pain influence motor cortex excitability?. In 39th Annual Scientific Meeting of the New Zealand Pain Society. Dunedin. Retrieved from http://www.nzps2014.org.nz/

  • Rice, D., Lewis, G. N., Dalbeth, N., & McNair, P. J. (2014). The effects of joint aspiration and corticosteroid injection in patients with chronic knee joint arthritis. In 39th Annual Scientific Meeting of the New Zealand Pain Society. Dunedin. Retrieved from http://www.nzps2014.org.nz/

  • Huggins, L., Lewis, G. N., Rice, D., Kluger, M. T., & Chaffey, L. (2014). Multidisciplinary pain management education – does it work?. In 39th Annual Scientific Meeting of the New Zealand Pain Society. Dunedin. Retrieved from http://www.nzps2014.org.nz/

  • Lewis, G. N., Rice, D., & McNair, P. J. (2014). People with chronic pain have impaired conditioned pain modulation. In 39th Annual Scientific Meeting of the New Zealand Pain Society. Dunedin. Retrieved from http://www.nzps2014.org.nz/

  • Signal, N., Lewis, G. L., Taylor, D., & McPherson, K. M. (2014). Identifying appropriate measures of neural plasticity in response to locomotor rehabilitation in people with stroke. In New Zealand Applied Neurosciences Conference. Auckland.

  • Lewis, G. N., Leys, A., Rice, D., & McNair, P. J. (2014). Manipulating expectations of pain elicits differential effects on cortical and spinal level nociceptive processing. In 10th European Congress of Physical Medicine and Rehabilitation. Marseille. Retrieved from http://www.esprm2014.com/

  • Rice, D., Kluger, M. T., Lewis, G. N., McNair, P. J., Somogyi, A. A., & Walker, M. (2014). Preoperative pain sensitivity and modulation in individuals undergoing total knee joint arthroplasty. In 39th Annual Scientific Meeting of the New Zealand Pain Society. Dunedin. Retrieved from http://www.nzps2014.org.nz/

  • Rice, D., Lewis, G., McNair, P. J., & Clatworthy, M. (2014). Deficits in muscle strength and neuromuscular control after ACL reconstruction. In Physiotherapy New Zealand Conference 2014: Linking the chain. Auckland.

  • Rice, D., Graven-Nielsen, T., Lewis, G., McNair, P., & Dalbeth, N. (2014). Does acute knee pain alter quadriceps motor cortex excitability?. In Physiotherapy New Zealand Conference 2014: Linking the chain. Auckland.

  • Rice, D., McNair, P., Lewis, G., & Dalbeth, N. (2014). Changes in flexion reflex excitability, pain and peak muscle torque in individuals with chronic arthritis following knee joint aspiration and corticosteroid injection. In Physiotherapy New Zealand Conference 2014: Linking the chain. Auckland.

  • Harman, B. L., Bassett, S., & Lewis, G. (2014). Can the Health Action Process Approach (HAPA) explain physical activity following total knee arthroplasty?. In Physiotherapy New Zealand Conference 2014: Linking the chain. Auckland: Physiotherapy New Zealand.

  • Lewis, G., Rice, D., McNair, P., & Kluger, M. (2014). Predictors of long-term pain following total knee arthroplasty: A systematic review and meta-analysis. In 15th World Congress on Pain. Buenos Aires.

  • Parker, R., Lewis, G., Rice, D., & McNair, P. (2014). Does chronic arthritic pain influence motor cortex excitability?. In 15th World Congress on Pain. Buenos Aires.

  • Lewis, G., & Rice, D. (2014). The impact of acute and chronic pain on motor performance and learning. In New Zealand Applied Neuroscience Conference. Auckland.

  • Lewis, G., & Huggins, L. (2014). Interprofessional pain management education: Perspectives from the students and educators. In New Zealand Interprofessional Health Conference. Auckland.

  • Harman, B. L., Bassett, S., & Lewis, G. (2014). Can the Health Action Process approach explain physical activity following total knee arthroplasty?. In Australasian Society for Behavioural Health and Medicine Conference. Auckland.

  • McNair, P. J., Lewis, G., Leys, A., & Rice, D. A. (2013). Manipulating expectations of pain elicits differential effects on cortical and spinal level nociceptive processing. In 8th Biennial EFIC Congress: Pain in Europe VIII. Florence.

  • Signal, N., Lewis, G., Taylor, D., & McPherson, K. M. (2013). Are TMS-derived measures reliable markers of neural plasticity in people with stroke?. In Progress in Motor Control IX. Montreal.

  • Parker, R. S., Lewis, G., Rice, D. A., & McNair, P. J. (2013). Psychological factors, sleep quality, and nociceptive system function in people with chronic widespread pain. In 38th Annual Scientific Meeting of the New Zealand Pain Society. Acutely Chronic: Chronically Acute. Hamilton.

  • Lewis, G., Leys, A., Rice, D. A., & McNair, P. J. (2013). Manipulating expectations of pain elicits differential effects on cortical and spinal level nociceptive processing. In 38th Annual Scientific Meeting of the New Zealand Pain Society. Acutely Chronic: Chronically Acute. Hamilton.

  • Rice, D. A., Lewis, G., Edmeades, K., McNair, P. J., Kluger, M., & Olson, J. (2013). Baseline questionnaires before attending a multidisciplinary pain clinic: Does the timing matter?. In 38th Annual Scientific Meeting of the New Zealand Pain Society. Acutely Chronic: Chronically Acute. Hamilton.

  • Rice, D. A., Graven-Nielsen, T., Lewis, G., McNair, P. J., & Dalbeth, N. (2013). The effect of acute knee pain on motor excitability in the lower limb. In 38th Annual Scientific Meeting of the New Zealand Pain Society. Acutely Chronic: Chronically Acute. Hamilton.

  • Lewis, G., Collett, K., Rice, D., Reid, D. A., Larmer, P., & McNair, P. (2012). The effects of combined manual therapy and acupuncture on pain and function in people with knee osteoarthritis: A pilot study. In International Federation of Orthopaedic Manipulative Physiotherapists (IFOMPT) 2012: Rendez-vous of Hands and Minds. Quebec.

  • Lewis, G. N., Rice, D., Jourdain, K., & McNair, P. J. (2012). Reliability and comfort of the nociceptive flexion reflex. In 37th Annual Scientific Meeting of the New Zealand Pain Society. Wellington.

  • Wolf, S., Byblow, W. D., Hale, L., Lewis, G. N., Taylor, D., & McNulty, P. (2012). Implementing new technologies in neurorehabilitation. In New Zealand Applied Neurosciences Conference. Auckland. Retrieved from http://nzsanc.aut.ac.nz/sg_userfiles/Programme_Updated_10_sep.pdf

  • Lewis, G. N., & Rice, D. A. (2012). Clinical assessment of the nociceptive system. In New Zealand Applied Neurosciences Conference. Auckland. Retrieved from http://nzsanc.aut.ac.nz/sg_userfiles/Programme_Updated_10_sep.pdf

  • Lewis, G. N. (2012). Pain: All in the head?. In New Zealand Applied Neurosciences Conference. Auckland. Retrieved from http://nzsanc.aut.ac.nz/sg_userfiles/Programme_Updated_10_sep.pdf

  • Rice, D. A., Lewis, G. N., Leys, A., & McNair, P. J. (2012). Can manipulating expectation alter the magnitude of conditioned pain modulation?. In New Zealand Applied Neurosciences Conference. Auckland. Retrieved from http://nzsanc.aut.ac.nz/sg_userfiles/Programme_Updated_10_sep.pdf

  • McNair, P. J., Rice, D. A., Lewis, G. N., & Dalbeth, N. (2012). The effects of knee joint swelling on quadriceps corticospinal excitability, intracortical excitability and intermuscular coherence in the β-band. In XIX Congress of the International Society of Electrophysiology and Kinesiology (ISEK 2012). Brisbane.

  • Lewis, G. N., Swift, C., & Gleeson, E. (2012). Research ....ya ever thought about it? A workshop for those who are new to research or thinking about conducting research in pain and are keen to learn more. In 37th Annual Scientific Meeting of the New Zealand Pain Society. Wellington.

  • Lewis, G. N., Heales, L., Rice, D. A., Rome, K., & McNair, P. J. (2012). The reliability of assessing brainstem pathways that modulate pain. In 37th Annual Scientific Meeting of the New Zealand Pain Society. Wellington.

  • Lewis, G., Collett, K., Rice, D. A., Reid, D., Larmer, P. J., & McNair, P. J. (2012). Catastrophising beliefs influence the effect of manual therapy and acupuncture in people with knee osteoarthritis. In 37th Annual Scientific Meeting of the New Zealand Pain Society. Wellington.

  • Lewis, G. N., Ruhen, S., Rosie, J. A., & Hing, W. A. (2011). Virtual rehabilitation in a school setting: Is it feasible?. In New Zealand Stroke & Applied Neuroscience Conference. Auckland.

  • Lewis, G. N., Woods, C., Rosie, J. A., & McPherson, K. M. (2011). Virtual reality games for rehabilitation: Perspectives from the users and new directions. In 2011 International Conference on Virtual Rehabilitation, ICVR 2011. Switzerland.

  • Collett, K., Rice, D., Lewis, G., Reid, D. A., Larmer, P., & McNair, P. (2011). The effects of combined manual therapy and acupuncture on pain and function in people with knee osteoarthritis: A pilot study. In New Zealand Manipulative Therapists Association Conference - The Role of Exercise in the Management of Musculoskeletal Pain and Dysfunction (pp. 23). New Zealand.

  • Taylor, L. M., Lewis GL., & Lucas J. (2010). Cortical excitability following wrist extension exercises augmented with electrical stimulation in chronic stroke participants. In New Zealand Journal of Physiotherapy Vol. 38 (pp. 75). Auckland. Retrieved from http://www.cinahl.com/cgi-bin/refsvc?jid=285&accno=2010738315

  • Towersey, N. C. M., Taylor, D., & Lewis, G. N. (2010). The effect of sensory electrical stimulation on brain activity and hand sensation. In Meeting of the 6th World Congress of Neurorehabilitation. Vienna.

  • Rosie, J. A., Taylor, D., & Lewis, G. N. (2010). The immediate effects of neuromuscular electrical stimulation on cortical excitability and grip control in people with chronic stroke. In Meeting of the New Zealand Society of Physiotherapy. Auckland.

  • Rice, D. A., McNair, P. J., & Lewis, G. N. (2010). The recovery of muscle strength and function after anterior cruciate ligament (ACL) reconstruction: Implications for rehabilitation and return to sport. In New Zealand Society of Physiotherapy Biennial Meeting. Auckland.

  • Rice, D. A., McNair, P. J., & Lewis, G. N. (2010). Gamma-loop dysfunction contributes to quadriceps activation deficits in people with knee osteoarthritis. In New Zealand Society of Physiotherapy Biennial Meeting. Auckland.

  • Rice, D. A., McNair, P. J., & Lewis, G. N. (2010). A loss of IA afferent feedback may contribute to quadriceps inhibition in patients with knee osteoarthritis. In XVIII Congress of the International Society of Electrophysiology and Kinesiology. Aalborg. Retrieved from http://isek2010.hst.aau.dk/ISEK2010_Program_Final.pdf

  • McPherson, K. M., Kayes, N. M., Lewis, G. N., DeJong, G., & Sullivan, M. (2010). Engagement in Rehabilitation – A Key Component of Services That Work?. In The meeting of the American Congress of Rehabilitation Medicine conference. Montreal.

  • McNair, P. J., Rice, D. A., & Lewis, G. N. (2010). Gamma loop pathway dysfunction in osteoarthritic knees. In The Asics Conference of Science and Medicine in Sport. Port Douglas.

  • Lewis, G. N. (2010). Virtual reality: Just a game or useful for rehabilitation?. In New Zealand Society of Physiotherapy Biennial Meeting. Auckland.

  • Lucas, J., Taylor, L., Lewis, G. L., & Taylor, D. (2009). The effect of electrical stimulation on cortical excitability in people with chronic stroke. In Biennial Neurosymposium: Neurology Group of The New Zealand Society of Physiotherapists. Auckland.

  • Rosie, J. (2009). Grip control following stroke: what goes wrong and can we fix it?. In Neurosymposium. Auckland.

  • Rice, D. A., McNair, P. J., Lewis, G. N., & Rice, D. A. (2009). Gamma-loop dysfunction contributes to quadriceps inhibition in patients with osteoarthritis. In OARSI World Congress on Osteoarthritis. Montreal.

  • Lucas, J., Taylor, L., Lewis, G. N., & Taylor, D. (2009). The effect of electrical stimulation on cortical excitability in people with chronic stroke. In Neurosymposium. Auckland.

  • Lewis, G. N., & McNair, P. J. (2009). Heteronymous Ia afferent connections in the upper limb following stroke. In Society for Neuroscience Annual Meeting. Chicago.

  • Bradnam, L. V., Stinear, C. M., Lewis, G. N., & Byblow, W. D. (2009). The effect of noninvasive brain stimulation on upper limb synergies. In the Society for Neuroscience Annual Meeting. Chicago.

  • Taylor, L. M., Lewis, G. N., Taylor, D., & Rosie, J. (2008). EMG-triggered neuromuscular electrical stimulation enhances corticospinal excitability.. .

  • Lewis, G. N., Taylor, L., Taylor, D., Rosie, J., & Rice, D. (2008). EMG-triggered neuromuscular electrical stimulation enhances corticospinal excitability. In European Congress on Clinical Neurophysiology. Istanbul.

  • Shemmell, J., & Lewis, G. N. (2008). The utility of repetitive TMS to enhance hand function following subcortical stroke. In Third International Conference on Transcranial Magnetic and Direct Current Stimulation. Gottingen.

  • Roberts, L. V., Stinear, C. M., Lewis, G. N., & Byblow, W. D. (2008). Task-dependent modulation of propriospinal inputs to human shoulder. In Proceedings of the 26th Australasian Winter Conference on Brain Research (pp. 65). : AWCBR.

  • Pape, T., Rosenow, J., Lewis, G. N., Ahmed, G., Walker, M., Guernon, A., & Roth, H. (2008). TMS-associated neurobehavioral gains during coma recovery. In Third International Conference on Transcranial Magnetic and Direct Current Stimulation. Gottingen.

  • Lewis, G. N., & Perreault, E. J. (2008). Use of bimanual robotic therapy as an intervention for upper limb movement following stroke. In Proceedings of the 26th International Australasian Winter Conference on Brain Research (pp. 65). Queenstown: AWCBR.

  • Schindler Ivens, S., Cebe, K., Brown, D. A., Lewis, G. N., Sischo, J., & Wieser, J. (2007). Abnormal modulation of soleus H-reflexes during post-stroke locomotion. In American Physical Therapy Association Combined Section Meeting. Boston.

  • Rogers, L. M., Stinear, J. W., Lewis, G. N., & Brown, D. A. (2007). The influence of voluntary non-paretic limb use and effects on paretic limb function during cyclic locomotor activity post-stroke. In Society for Neuroscience Annual Meeting. San Diego.

  • Ondishko, K. M., Brown, D. A., Lewis, G. N., Nielsen, J. B., Sischo, J., Wieser, J., & Schindler Ivens, S. M. (2007). Modulation of soleus H-reflexes during pedaling post-stroke. In Society for Neuroscience Annual Meeting. San Diego.

  • Chen, K., Lewis, G. N., & Perreault, E. J. (2007). Adaptations to task mechanics alter stretch reflex gain but not intermuscular coordination. In American Society of Biomechanics. San Fransisco.

  • Perreault, E. J., Chen, K., & Lewis, G. N. (2006). Regulation of multijoint stretch reflexes during interactions with stiff and compliant environments.. In Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference Vol. 1 (pp. 300-302).

  • Perreault, E. J., Chen, K., & Lewis, G. N. (2006). Regulation of multijoint stretch reflexes during interactions with stiff and compliant environments. In Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings (pp. 300-302). doi:10.1109/IEMBS.2006.260098

  • Ravichandran, V., Trumbower, R. D., Lewis, G. N., & Perreault, E. J. (2006). Heteronymous contributions to multijoint stretch reflexes in the human arm. In Society for Neuroscience Annual Meeting. Atlanta.

  • Perreault, E. J., Chen, K., & Lewis, G. N. (2006). Modulation of multijoint stretch reflexes with changes in environmental impedance. In BMES Annual Fall Meeting. Chicago.

  • Lewis, G. N., Settle, K., MacKinnon, C. D., & Perreault, E. J. (2006). The effect of muscle co-contraction on stretch reflex responses in muscles crossing the elbow. In XVIIth Congress of the International Society of Electrophysiology and Kinesiology. Turin.

  • Lewis, G. N., Chen, K., & Perreault, E. J. (2006). Task-dependent modulation of multijoint stretch reflexes. In Neural Control of Movement. Key Biscayne.

  • Schindler Ivens, S. M., Lewis, G. N., Scott, M., Nielsen, J. B., & Brown, D. A. (2005). Modulation of corticomotor excitability during a novel locomotor task. In Society for Neuroscience Annual Meeting. Washington DC.

  • Lewis, G. N., & Perreault, E. J. (2005). Bilateral movement in individuals with stroke. In Society for Neuroscience Annual Meeting. Washington DC.

  • Lewis, G. N., & Perreault, E. J. (2005). Bilateral activation in people with post-stroke hemiparesis. In Motor Control and Cognitive Neuroscience conference. Dunedin.

  • Dokka, K., Lewis, G. N., & Keshner, E. A. (2005). Effect of optic flow on H-reflex amplitude. In Society for Neuroscience Annual Meeting. Washington DC.

Theses

  • Towersey, N. C. M. (2012). The effect of 30 minutes of peripheral electrical stimulation on corticomotor excitability, excitability of the somatosensory cortex and sensory threshold of healthy adults. (AUT University, Auckland).

Oral presentations

  • Harman, B. L., Bassett, S., & Lewis, G. (2015). Social Cognitive Variables Related to Physical Activity Following Total Knee Arthroplasty: An Application of the Health Action Process Approach. New Zealand. Retrieved from http://www.physioscholar.co.nz/

  • Lewis, G. N. (2008). Upper limb muscle synergies following stroke. Where do they come from and how do you break them?. Invited presentation to Neurological Special Interest Group of the New Zealand Society of Physiotherapists, Auckland.

  • Lewis, G. N. (2008). Stroke Research at AUT University Neurophysiology Laboratory. Auckland.

Other outputs

  • Hume, P., Theadom, A., Lewis, G., Hind, K., Entwhistle, I., & King, D. (2017). Project 5. UK Rugby Health – SRIF RCRG project final report to SPRINZ. SPRINZ.

  • Kluger, M. T., Lewis, G., Rice, D., & McNair, P. (2016). Psychological rather than pharmacological interventions for effective prevetion of pain after knee joint replacement?. In British Journal of Anaesthesia (Vol. 116, Iss. 1, pp. 150). doi:10.1093/bja/aev431

  • Swift, C., Gleeson, E., & Lewis, G. (2013). How do we facilitate pain research in New Zealand?
    Report of a survey conducted by the New Zealand Pain Society Research Working Group. In Ngau Mamae. Quarterly publication of the New Zealand Pain Society Inc.

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