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Publications

Please find below some selections from my publications organized under 3 of the main themes of my research program.

Highlighted Publications (Downloadable PDF )

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Neural Control of Rhythmic Movement

	Lamont, E.V., and Zehr E.P. (2011) Multi-frequency arm cycling reveals bilateral locomotor coupling to increase movement symmetry. Exp Br Res 211:299-312.
	Klimstra, M.D., Thomas, E., and E. Paul Zehr (2011). Biomechanical outcomes and neural correlates of cutaneous reflexes evoked during rhythmic arm cycling. J Biomech 44:802-809.
	Zehr, E.P., Balter, J.E., Hundza, S.R., Loadman, P. (2009) Context-dependent modulation of cutaneous reflex amplitudes during forward and backward leg cycling. Motor Control 13(4):368-86.
	Haridas, C., Zehr, E.P., and Misiaszek, J.E. (2008) Adaptation of cutaneous stumble correction when stumbling is part of the locomotor environment. J Neurophysiol 99:2789-2797.
	Recumbent stepping has similar but simpler neural control compared to walking Stoloff, R., Zehr, E.P., and Ferris, D.P. (2007) Recumbent stepping has similar but simpler neural control compared to walking. Exp Brain Res 178:427-438
	Enhancement of arm and leg locomotor coupling with augmented cutaneous feedback from the hand Zehr, E.P., M. Klimstra, K. Dragert, Y. Barzi, M.G. Bowden, B. Javan, and C. Phadke (2007). Enhancement of arm and leg locomotor coupling with augmented cutaneous feedback from the hand. J Neurophysiol 98:1810-1814
	Corticospinal excitability is lower during rhythmic arm movement than during tonic contraction Carroll, T.J., Baldwin, E.R.L.,Collins, D.F., and Zehr, E.P. (2006) Corticospinal excitability is lower during rhythmic arm movement than during tonic contraction. J. Neurophysiol. 95:914-21
	Neural control of rhythmic human movement: the common core hypothesis Zehr, E.P. (2005) Neural control of rhythmic human movement: the common core hypothesis. Exercise and Sport Sciences Reviews 33:54-60
	Forward and backward arm cycling are regulated by equivalent neural mechanisms Zehr, E.P., and Hundza, S.R. (2005) Forward and backward arm cycling are regulated by equivalent neural mechanisms. J Neurophysiol 93:633-640.
	Possible contributions of spinal CPG activity to rhythmic human arm movement Zehr, E.P., Carroll, T.J., Chua, R., Collins, D.F., Frigon, A., Haridas, C., Hundza, S.R., and Kido, A. (2004). Possible contributions of spinal CPG activity to rhythmic human arm movement. Can J Physiol. Pharm. 82(8/9):566-568.
	Modulation of cutaneous reflexes in arm muscles during walking: further evidence for similar control mechanisms for rhythmic human arm and leg movements Zehr, E.P., Haridas, C. (2003) Modulation of cutaneous reflexes in arm muscles during walking: further evidence for similar control mechanisms for rhythmic human arm and leg movements. Exp Brain Res. 149:260-266.
	Neural control of cyclical human arm movement: phase-dependence and task modulation Hoffmann reflexes Zehr, E.P., Collins, D.F., Frigon, A., Hoogenboom, N. (2003) Neural control of cyclical human arm movement: phase-dependence and task modulation Hoffmann reflexes J. Neurophysiol. 89:12-21.
	Neural control of rhythmic, cyclical human arm movement: task-dependency, nerve-specificity, and phase-modulation of cutaneous reflexes Zehr, E.P., Kido, A. (2001) Neural control of rhythmic, cyclical human arm movement: task-dependency, nerve-specificity, and phase-modulation of cutaneous reflexes. J. Physiol. 537:1033-1045.

Neural Coupling Between the Arms and Legs During Locomotion

	Mezzarene, R.A, Klimstra, M., Lewis, A., Hundza, S.R., E. Paul Zehr (2011). Interlimb coupling from the arms to legs is differentially specified for populations of motor units comprising the compound H-reflex during “reduced” human locomotion. Exp Br
	Nakajima T, Kitamura T, Kamibayashi K, Komiyama T, Zehr EP, Hundza SR, Nakazawa K. (2011) Robotic-assisted stepping modulates monosynaptic reflexes in forearm muscles in the human. J Neurophysiol (in press)
	Syusaku Sasada, Toshiki Tazoe, Tsuyoshi Nakajima, E. Paul Zehr, and Tomoyoshi Komiyama (2010). Effects of leg pedaling on early latency cutaneous reflexes in upper limb muscles. J Neurophysiol 104:210-217.
	De Ruiter, Geoff C., Sandra R. Hundza, and E. Paul Zehr (2010). Phase-dependent modulation of Soleus H-reflex amplitude induced by rhythmic arm cycling. Neurosci Lett 475:7-11.
	Chetan P. Phadke, Klimstra, M., Zehr, E. Paul, Thompson, Floyd J., and Behrman Andrea L. (2010) Soleus H-reflex Modulation during Stance Phase of Walking with Altered Arm Swing Patterns. Motor Control 14: 116-125.
	Hundza, S.R., Zehr, E.P. (2009) Suppression of soleus H-reflex amplitude is graded with frequency of rhythmic arm cycling. Exp Brain Res 193:297-306
	Dragert, K. and Zehr, E.P. (2009) Rhythmic arm cycling modulates Hoffmann reflex excitability differentially in the ankle flexor and extensor muscles. Neurosci Lett 450:325-328.
	Zehr, E.P., Hundza, S.R., and Lamont, E.V. (2009) The quadrupedal nature of human bipedal locomotion. Exer Sp Sci Rev. 37(2):102-108.
	Neural coupling between the arms and legs during rhythmic locomotor-like cycling movement Balter, J.E., and Zehr, E.P. (2007) Neural coupling between the arms and legs during rhythmic locomotor-like cycling movement. J Neurophysiol 97:1809-1818
	Enhancement of arm and leg locomotor coupling with augmented cutaneous feedback from the hand Zehr, E.P., M. Klimstra, K. Dragert, Y. Barzi, M.G. Bowden, B. Javan, and C. Phadke (2007). Enhancement of arm and leg locomotor coupling with augmented cutaneous feedback from the hand. J Neurophysiol 98:1810-1814
	Earth-referenced hand rail contact facilitates interlimb cutaneous reflexes during locomotion Lamont, E.V., and Zehr, E.P. (2007). Earth-referenced hand rail contact facilitates interlimb cutaneous reflexes during locomotion. J Neurophysiol 98: 433-442.
	Rhythmic leg cycling modulates forearm muscle H-reflex amplitude and corticospinal tract excitability Zehr, E.P., M. Klimstra, E.A. Johnson, and T.J. Carroll. (2007) Rhythmic leg cycling modulates forearm muscle H-reflex amplitude and corticospinal tract excitability. Neurosci Lett 419:10-14.
	Rhythmic arm cycling produces a non-specific signal of generalized activity that suppresses Soleus H-reflex amplitude in stationary legs Loadman, P., and Zehr,E.P. (2007) Rhythmic arm cycling produces a non-specific signal of generalized activity that suppresses Soleus H-reflex amplitude in stationary legs. Exp Brain Res. 179:199-208.
	Context-Dependent Modulation of Interlimb Cutaneous Reflexes in Arm Muscles as a Function of Stability Threat During Walking Haridas, C., Zehr, E.P., and Misiaszek, J.E. (2006) Context-Dependent Modulation of Interlimb Cutaneous Reflexes in Arm Muscles as a Function of Stability Threat During Walking. J Neurophysiol 96:3096-3103.
	Facilitation of soleus H-reflex amplitude evoked by cutaneous nerve stimulation at the wrist is not suppressed by rhythmic arm movement Zehr, E.P., Hoogenboom, N., Frigon, A.F., and Collins, D.F. (2004). Facilitation of soleus H-reflex amplitude evoked by cutaneous nerve stimulation at the wrist is not suppressed by rhythmic arm movement. Exp Brain Res.159: 382-388.
	Regulation of arm and leg movement during human locomotion Zehr, E.P., Duysens, J. (2004) Regulation of arm and leg movement during human locomotion. The Neuroscientist 10(4): 347-361
	Effect of arm movement on reflexes in the legs: modulation of soleus H-reflexes and somatosensory conditioning Frigon, A.F., Collins, D.F., and Zehr, E.P. (2004) Effect of arm movement on reflexes in the legs: modulation of soleus H-reflexes and somatosensory conditioning. J Neurophysiol. 91:1516-1523.
	Coordinated interlimb compensatory responses to electrical stimulation of cutaneous nerves in the hand and foot during walking Haridas, C., and Zehr, E.P. (2003) Coordinated interlimb compensatory responses to electrical stimulation of cutaneous nerves in the hand and foot during walking. J Neurophysiol 90:2850-2861.
	Human interlimb reflexes evoked by electrical stimulation of cutaneous nerves innervating the hand and foot Zehr, E.P., Collins, D.F., and Chua, R. (2001). Human interlimb reflexes evoked by electrical stimulation of cutaneous nerves innervating the hand and foot. Exp. Brain Res. 140:495-504.

Neuromuscular Plasticity & Rehabilitation

	Dragert, K., and E. Paul Zehr (2011). Bilateral neuromuscular plasticity from unilateral training of the ankle dorsiflexors. Exp Brain Res 208:217-227.
	Klimstra, M.D., Thomas, E., Stoloff, R.H., Ferris,D.P., and Zehr, E.P. (2009) Neuromechanical considerations for incorporating rhythmic arm movement in the rehabilitation of walking. Chaos 29: 0262102
	Short-term plasticity of spinal reflex excitability induced by rhythmic arm movement Javan, B., and Zehr, E.P. (2008) Short-term plasticity of spinal reflex excitability induced by rhythmic arm movement. J Neurophysiol 99:2000-2005.
	Training-induced adaptive plasticity in human somatosensory reflex pathways Zehr, E.P. (2006) Training-induced adaptive plasticity in human somatosensory reflex pathways. J Appl Physiol 101:1783-1794.
	Rhythmic arm cycling suppresses hyperactive Soleus H-reflex amplitude after stroke Barzi, Y., and Zehr E.P. (2008) Rhythmic arm cycling suppresses hyperactive Soleus H-reflex amplitude after stroke. Clin Neurophysiol 119:1443-1452
	Increased Spinal Reflex Excitability is Not Responsible For Neural Plasticity Underlying the Cross Education Effect Lagerquist, O., Zehr, E.P., and Docherty, D. (2006) Increased Spinal Reflex Excitability is Not Responsible For Neural Plasticity Underlying the Cross Education Effect. J Appl Physiol. 100:83-90
	Diurnal changes in the amplitude of the Hoffmann reflex in human soleus but not flexor carpi radialis muscle Lagerquist, O., Zehr, E.P., Collins, D.F., Baldwin, R.L., and Klacowicz, P.M. (2006) Diurnal changes in the amplitude of the Hoffmann reflex in human soleus but not flexor carpi radialis muscle. Exp Brain Res. 170:1-6.
	Considerations for use of the Hoffmann reflex in exercise studies Zehr, E.P. (2002) Considerations for use of the Hoffmann reflex in exercise studies. Eur. J. Appl. Physiol. 86:455-468.
	Ballistic movement performance in karate athletes Zehr, E.P., Sale , D.G. and Dowling, J.J. (1997). Ballistic movement performance in karate athletes. Med. Sci. Sports Exerc. 29:1366-1373.
	Ballistic movement: muscle activation and neuromuscular adaptation Zehr, E.P. and Sale , D.G. (1994). Ballistic movement: muscle activation and neuromuscular adaptation. Can.J. Appl. Physiol. 19(4):363-378.