RuiPing (Rebecca) Xia

Associate Professor

 

BPh.D. in Neurophysiology, Department of Physiology, University of Bristol, Bristol, UK
Master of Science (M.S.) in Biomedical Engineering, Tianjin University, Tianjin, China
Bachelor of Science (B.S.) in Biomedical Science, Tianjin University, Tianjin, China

Phone: (623) 518-2386
Email:  

 
Courses Taught
  • Neuroanatomy
  • Motor Control Across the Lifespan
  • Research Methods in Physical Therapy I, II, III, and IV
  • Fundamentals of Neurological Rehabilitation
Research Interests & Expertise Areas
  • Motor control
  • Neuroscience
  • Neurological rehabilitation in Parkinson’s disease;
  • Educational research 

Publications and Presentations

Publications (within the past 10 years)

Xia R, Ronck TJ, Sanft RA, Eason RP. Relationship between amount of exercise and fatigue in people with Parkinson’s disease. EC Neurol 2020;12.7:58-66.

Powell DW, Blackmore SE, Puppa M, Lester D, Murray NG, Reed-Jones RJ, Xia R. Deep brain stimulation enhances movement complexity during gait in individuals with Parkinson's disease. Neurosci Lett. 2020;728:133588.

Henning M, Myers S, Ooton C, Semaan J, Xia R. Effectiveness of exercise program on reducing fatigue in Parkinson's disease: a systematic review. EC Neurology, 2017;9:12-19.

Xia R, Gillig C, Mueller D, Ludwig M, Schmith Z. Effect of cooling intervention on reducing rigidity in Parkinson’s disease: A case report. Ann Clin Case Rep. 2017;2:1-4.

Powell D, Muthumani A, Xia R. Normalizing EMG to background muscle activation masks medication-induced reductions in reflex amplitudes in parkinsonian rigidity. J Nat Sci. 2017;3:315-319.

Xia R, Muthumani A, Mao ZH, Powell DW. Quantification of neural reflex and muscular intrinsic contributions to parkinsonian rigidity. Exp Brain Res. 2016;234:3587-3595.

Powell DW, Muthumani A, Xia R. A comparison of the effects of continuous versus discontinuous movement patterns on parkinsonian rigidity and reflex responses to passive stretch and shortening. J Nat Sci 2016, 2(8): e201.

Xia R, Stone JR, Hoffman JE, Klappa SG. Promoting community health and eliminating health disparities through community-based participatory research. Phys Ther 2016;96:410-417.
This article was featured in a Podcast interview with the Editor-in-Chief of Physical Therapy journal (PTJ), which is the official journal of the American Physical Therapy Association

Powell D, Muthumani A, Xia R. Parkinson's disease is associated with greater regularity of repetitive voluntary movements. Motor Control 2014;18:263-277.

Lupu MF, Sun M, Xia R, Mao ZH. Rate of information transmission in human manual control of an unstable system. IEEE Transactions on Human-Machine Systems, 2013; 43:259-263.

Xia R, Mao ZH. Progression of motor symptoms in Parkinson’s disease. Neurosci Bull. 2012;28:39-48.

Powell D, Threlkeld AJ, Xiang Fang, Muthumani A, Xia R. Amplitude- and velocity-dependency of rigidity measured at the wrist in Parkinson’s disease. Clin Neurophysiol. 2012;123:764-773.

Xia R. Physiological and biomechanical analyses of rigidity in Parkinson’s disease. In: Rana A, eds. Etiology and Pathophysiology of Parkinson’s Disease, InTech, Vienna, Austria, 2011;pp.485-506.

Xia R, Powell D, Rymer WZ, Hanson N, Fang X, Threlkeld AJ. Differentiation of contributions between shortening reaction and stretch-induced inhibition in Parkinson’s disease. Exp Brain Res. 2011;209:609-618.

Powell D, Hanson N, Threlkeld AJ, Fang X, Xia R. Enhancement of parkinsonian rigidity with contralateral hand activation. Clin Neurophysiol. 2011;122:1595-1601.

Xia R. Effectiveness of nutritional supplements on reducing symptoms in autism spectrum disorder. J Altern Complement Med. 2011;17:271-274.

Presentations (selected ones within the past 10 years)

Hennessey V, Scott K, Suchsland M, Utech K, Morris SR, Xia R. Efficacy of manual therapy in the treatment of migraine headache: a systematic review. American Physical Therapy Association Combined Sections Meeting. Washington DC, January 26, 2019.

Morris SR, Xia R, Klaassen TS, Yosten MA, Johnson TA, Mills KE. Influence of participation in a pro bono clinic on cultural competence in in doctor of physical therapy students. Kansas Physical Therapy Association Spring Conference. Wichita KS, April 9, 2018.

Kennebeck W, Gaston K, Tran Y, Zarich H, Xia R. Efficacy of cryotherapy on spasticity in people with neurological disorders: A systematic review. American Physical Therapy Association Combined Sections Meeting. New Orleans, Louisiana; February 22, 2018.

Xia R. Differentiation of neural reflex and muscular intrinsic contributions to rigidity in Parkinson’s disease. Platform Presentation at 1st World Congress of Biomedical Engineering. Xi’an, China; November 11, 2017.

Ronck T, Sanft R, Eason R, Silvey R, Bliss B, Xia R. Relationship between Exercise and Fatigue Level in People with Parkinson’s Disease. APTA (American Physical Therapy Association) Combined Sections Meeting. San Antonio, Texas; February 18, 2017.

Henning M, Myers S, Ooton C, Semaan J, Bahner C, Xia R. Effectiveness of Exercise Program on Reducing Fatigue in Parkinson's Disease: A Systematic Review. APTA Combined Sections Meeting. San Antonio, Texas; February 18, 2017.

Xia R, Bahner C, Bliss B, Bond B, Dehan J, Hendricks C, Kinslow CD, Morris S, Yoder AW. Implementation of Journal Club in Facilitation of Doctoral Physical Therapy Students’ Appraisal Skills of Research Evidence: Qualitative Exploration of Students’ Experiences. APTA Combined Sections Meeting. San Antonio, Texas, February 17, 2017.

Wang KJ, Sun M, Xia R, Mao ZH. Human-robot symbiosis framework on exoskeleton devices. 2016 IEEE International Conference on Industrial Technology, Taipei, Taiwan, March 14, 2016.

Xia R, Bahner C, Bond B, Dehan J, Hendricks C, Kinslow CD, Yoder AW. Effect of Journal Club on Doctor of Physical Therapy Students' Appraisal Skills of Research Evidence. APTA Combined Sections Meeting. Anaheim, California, February 19, 2016.

Yoder AW, Xia R. Effectiveness of Manual Therapy for Tension Type Headache: A Systematic Review. APTA Combined Sections Meeting. Anaheim, California, February 19, 2016.

Xia R. Muthumani A, Mao ZH, Powell D. Natural history of rigidity in Parkinson’s disease. Society for Neuroscience 45th Annual Meeting, Chicago IL, USA, October 19, 2015.

Xia R. Bringing neuroscience from classroom to community. Society for Neuroscience 45th Annual Meeting, Chicago IL, USA, October 17, 2015.

Wang KJ, Sun M, Xia R, Mao ZH. Co-Adaptive optimal control framework for human-robot physical symbiosis. The 10th Annual ACM/IEEE International Conference on Human-Robot Interaction, Portland OR, March 3, 2015

Xia R, Klappa S. Relationship between learning outcomes and students’ attitudes toward evidence-based physical therapy course. APTA Combined Sections Meeting No. 2153, Indianapolis IN, February 6, 2015.

Xia R, Powell D, Mao ZH. Comparison of progression rate between neural and non-neural rigidity components in Parkinson’s disease. Society for Neuroscience 44th Annual Meeting, Washington DC, USA, November 15, 2014.

Powell D, Muthumani A, Fang X, Threlkeld AJ, Xia R. Contralateral activation and enhanced rigidity in Parkinson's disease: neural and non-neural contributions. 17th Canadian Society for Biomechanics, Barnaby BC, Canada, June 2012.

Kremer L, Wagner L, Muthumani A, Powell D, Threlkeld A, Xia R. Quantitative Evaluation of Parkinsonian Rigidity Progression over Time. APTA Combined Sections Meeting, Chicago Illinois, February 2012.

Gillman AC, Lindseth NM, Beisel LH, Powell D, Xia R, Threlkeld AJ. Assessing lower extremity muscle fatigue: Do isometric and isokinetic protocols provide equivalent measures? APTA Combined Sections Meeting, Chicago Illinois, February 2012.

Delavan J, Simonson B, Xia R, Threlkeld AJ, Powell D+. Physical activity patterns are similar in old adults and individuals with Parkinson’s disease. APTA Combined Sections Meeting, Chicago Illinois, February 2012.

Powell D, Benes A, Konor M, Hanson NJ, Kerschen K, Gustafson A, Xia R, Threlkeld AJ. Mechanical and neurophysiological manifestations of fatigue in Parkinson’s disease. APTA Combined Sections Meeting, Chicago Illinois, February 2012.

Powell D, Muthumani A, Hanson NJ, Threlkeld AJ, Xia R. Velocity dependency of parkinsonian rigidity assessed at the wrist joint. 35th Annual Meeting of the American Society of Biomechanics. Long Beach CA, August 2011.

Muthumani A, Powell D, Hanson NJ, Kremer L, Wagner L, Threlkeld AJ, Xia R. Relationship between neural-reflex torque and muscle reflex response in parkinsonian rigidity. 35th Annual Meeting of the American Society of Biomechanics. Long Beach CA, August 2011.

Muthumani A, Powell D, Haider H, Threlkeld AJ, Xia R. Relationship between movement speed and regularity of movement in Parkinson’s disease. 35th Annual Meeting of the American Society of Biomechanics. Long Beach CA, August 2011.

Xia R, Hanson NJ, Powell D, Muthumani A, Bertoni J, Threlkeld AJ. Efficacy of dopaminergic medication on neural and non-neural components of rigidity in Parkinson’s disease. The MDS 15th International Congress of Parkinson’s disease and Movement Disorders. Toronto Ontario, Canada. June 2011.

Threlkeld AJ, Hanson NJ, Powell D, Kerschen K, Gustafson A, Xia R. Voluntary Activation of the Quadriceps Muscle in Parkinson's Disease. Platform presentation at the APTA Combined Sections Meeting, New Orleans LA, February 2011

Powell D, Hanson NJ, Threlkeld AJ, Xia R. Effect of Contralateral Hand Activation on Enhancement of Parkinsonian Rigidity. Poster presentation at the APTA Combined Sections Meeting, New Orleans LA, February 2011

Threlkeld AJ, Kerschen K, Gustafson A, Hanson NJ, Powell D, Xia R. Fatigue of the Quadriceps in Parkinson's Disease is Dependent on Contraction Speed. Poster presentation at the APTA Combined Sections Meeting, New Orleans LA, February 2011.

Professional Memberships

  • American Physical Therapy Association
  • Society for Neuroscience
     

Service

  • Institutional Review Board
  • Admission Committee
  • Editorial board member of Open Journal of Molecular and Integrative Physiology

Conferences Attended

  • American Physical Therapy Association (APTA) Combined Sections Meeting
  • IV STEP 2016 Conference hosted by APTA Academy of Neurologic Physical Therapy
  • Society for Neuroscience
  • International Congress of Parkinson’s disease and Movement Disorders