L. Adams, A. K. Datta, and A. Guz, Synchronization of motor unit firing during different respiratory and postural tasks in human sternocleidomastoid muscle., The Journal of Physiology, vol.413, issue.1, pp.213-231, 1989.
DOI : 10.1113/jphysiol.1989.sp017650

F. Aoki, E. E. Fetz, L. Shupe, E. Lettich, and G. A. Ojemann, Increased gamma-range activity in human sensorimotor cortex during performance of visuomotor tasks, Clinical Neurophysiology, vol.110, issue.3, pp.524-537, 1999.
DOI : 10.1016/S1388-2457(98)00064-9

S. N. Baker, M. Chiu, and E. E. Fetz, Afferent Encoding of Central Oscillations in the Monkey Arm, Journal of Neurophysiology, vol.95, issue.6, pp.3904-3910, 2005.
DOI : 10.1152/jn.01106.2005

S. N. Baker, J. M. Kilner, E. M. Pinches, R. N. Lemon, R. Spinks et al., The role of synchrony and oscillations in the motor output, Experimental Brain Research, vol.128, issue.1-2, pp.109-117, 1999.
DOI : 10.1007/s002210050825

H. Bokil, K. Purpura, J. M. Schoffelen, D. Thomson, M. et al., Comparing spectra and coherences for groups of unequal size, Journal of Neuroscience Methods, vol.159, issue.2, pp.337-345, 2007.
DOI : 10.1016/j.jneumeth.2006.07.011

T. W. Boonstra, B. C. Van-wijk, P. Praamstra, and A. Daffertshofer, Corticomuscular and bilateral EMG coherence reflect distinct aspects of neural synchronization, Neuroscience Letters, vol.463, issue.1, pp.17-21, 2009.
DOI : 10.1016/j.neulet.2009.07.043

J. P. Brasil-neto, J. Valls-sole, A. Pascual-leone, A. Cammarota, V. E. Amassian et al., Rapid modulation of human cortical motor outputs following ischaemic nerve block, Brain, vol.116, issue.3, pp.511-525, 1993.
DOI : 10.1093/brain/116.3.511

P. Brown, Cortical drives to human muscle: the Piper and related rhythms, Progress in Neurobiology, vol.60, issue.1, pp.97-108, 2000.
DOI : 10.1016/S0301-0082(99)00029-5

P. Brown, S. F. Farmer, D. M. Halliday, J. Marsden, and J. R. Rosenberg, Coherent cortical and muscle discharge in cortical myoclonus, Brain, vol.122, issue.3, pp.461-472, 1999.
DOI : 10.1093/brain/122.3.461

N. P. Buller, R. Garnett, and J. A. Stephens, The reflex responses of single motor units in human hand muscles following muscle afferent stimulation., The Journal of Physiology, vol.303, issue.1, pp.337-349, 1980.
DOI : 10.1113/jphysiol.1980.sp013289

W. H. Calvin and C. F. Stevens, Synaptic noise and other sources of randomness in motoneuron interspike intervals, J. Neurophysiol, vol.31, pp.574-587, 1968.

G. R. Chalmers, P. Bawa, C. N. Christakos, N. A. Papadimitriou, and S. Erimaki, Synaptic connections from large afferents of wrist flexor and extensor muscles to synergistic motoneurones in man, Experimental Brain Research, vol.116, issue.2, pp.351-358, 1997.
DOI : 10.1007/PL00005762

E. A. Christou, T. Rudroff, J. A. Enoka, F. Meyer, and R. M. Enoka, Discharge rate during low-force isometric contractions influences motor unit coherence below 15??Hz but not motor unit synchronization, Experimental Brain Research, vol.517, issue.Pt1, pp.285-295, 2007.
DOI : 10.1007/s00221-006-0739-5

J. D. Cole, W. L. Merton, G. Barrett, H. A. Katifi, and R. D. Treede, Evoked potentials in a subject with a large-fibre sensory neuropathy below the neck, Canadian Journal of Physiology and Pharmacology, vol.73, issue.2, pp.234-245, 1139.
DOI : 10.1139/y95-034

J. D. Cole and J. Paillard, Living without touch and peripheral information about body position and movement: studies with deafferented subjects, The Body and the Self, pp.245-266, 1995.

B. A. Conway, D. M. Halliday, S. F. Farmer, U. Shahani, P. Maas et al., Synchronization between motor cortex and spinal motoneuronal pool during the performance of a maintained motor task in man., The Journal of Physiology, vol.489, issue.3, pp.489-917, 1995.
DOI : 10.1113/jphysiol.1995.sp021104

J. D. Cooke, S. Brown, R. Forget, Y. Lamarre, A. K. Datta et al., Initial agonist burst duration changes with movement amplitude in a deafferented patient Central nervous pathways underlying synchronization of human motor unit firing studied during voluntary contractions, Exp. Brain Res. J. Physiol, vol.60, issue.432, pp.184-187, 1985.

A. K. Datta and J. A. Stephens, Synchronization of motor unit activity during voluntary contraction in man., The Journal of Physiology, vol.422, issue.1, pp.397-419, 1990.
DOI : 10.1113/jphysiol.1990.sp017991

N. J. Davey, P. H. Ellaway, J. R. Baker, F. , and C. L. , Rhythmicity associated with a high degree of short-term synchrony of motor unit discharge in man, Experimental Physiology, vol.78, issue.5, pp.649-661, 1993.
DOI : 10.1113/expphysiol.1993.sp003713

N. J. Davey, P. H. Ellaway, C. L. Friedland, and D. J. Short, Motor unit discharge characteristics and short term synchrony in paraplegic humans., Journal of Neurology, Neurosurgery & Psychiatry, vol.53, issue.9, pp.764-769, 1990.
DOI : 10.1136/jnnp.53.9.764

D. Luca, C. J. Gonzalez-cueto, J. A. Bonato, P. , A. et al., Motor Unit Recruitment and Proprioceptive Feedback Decrease the Common Drive, Journal of Neurophysiology, vol.101, issue.3, pp.1620-1628, 2008.
DOI : 10.1152/jn.90245.2008

D. Luca, C. J. Kline, and J. C. , Influence of proprioceptive feedback on the firing rate and recruitment of motoneurons, J. Neural Eng, vol.1, 2012.

D. Luca, C. J. Lefever, R. S. Mccue, M. P. Xenakis, and A. P. , Control scheme governing concurrently active human motor units during voluntary contractions, The Journal of Physiology, vol.329, issue.1, pp.129-142, 1982.
DOI : 10.1113/jphysiol.1982.sp014294

P. H. Ellaway, Cumulative sum technique and its application to the analysis of peristimulus time histograms, Electroencephalography and Clinical Neurophysiology, vol.45, issue.2, pp.302-304, 1978.
DOI : 10.1016/0013-4694(78)90017-2

J. B. Fallon, L. R. Bent, P. A. Mcnulty, and V. G. Macefield, Evidence for Strong Synaptic Coupling Between Single Tactile Afferents From the Sole of the Foot and Motoneurons Supplying Leg Muscles, Journal of Neurophysiology, vol.94, issue.6, pp.3795-3804, 2005.
DOI : 10.1152/jn.00359.2005

S. F. Farmer, F. D. Bremner, D. M. Halliday, J. R. Rosenberg, and J. A. Stephens, The frequency content of common synaptic inputs to motoneurones studied during voluntary isometric contraction in man., The Journal of Physiology, vol.470, issue.1, pp.127-155, 1993.
DOI : 10.1113/jphysiol.1993.sp019851

K. M. Fisher, B. Zaaimi, T. L. Williams, S. N. Baker, and M. R. Baker, Beta-band intermuscular coherence: a novel biomarker of upper motor neuron dysfunction in motor neuron disease Response patterns and postspike effects of peripheral afferents in dorsal root ganglia of behaving monkeys, Brain J. Neurophysiol, vol.135, issue.67, pp.875-889, 1992.

R. Forget, Perte des Afférences Sensorielles et Fonction Motrice chez l'Homme, Programme des Sciences Neuologiques, 1986.

R. Forget and Y. Lamarre, Postural adjustments associated with different unloadings of the forearm: effects of proprioceptive and cutaneous afferent deprivation, Canadian Journal of Physiology and Pharmacology, vol.73, issue.2, pp.285-294, 1995.
DOI : 10.1139/y95-039

K. Fukushima, K. Taniguchi, Y. Kamishima, and M. Kato, Peripheral factors contributing to the volitional control of firing rates of the human motor units, Neuroscience Letters, vol.3, issue.1-2, pp.33-36, 1976.
DOI : 10.1016/0304-3940(76)90095-1

S. C. Gandevia, G. Macefield, D. Burke, M. , and D. K. , VOLUNTARY ACTIVATION OF HUMAN MOTOR AXONS IN THE ABSENCE OF MUSCLE AFFERENT FEEDBACK, Brain, vol.113, issue.5, pp.1563-1581, 1990.
DOI : 10.1093/brain/113.5.1563

S. J. Garland, M. , and T. S. , Control of motor units in human flexor digitorum profundus under different proprioceptive conditions, The Journal of Physiology, vol.22, issue.3, 1997.
DOI : 10.1111/j.1469-7793.1997.693bj.x

S. J. Garland, M. , and T. S. , Responses of human single motor units to transcranial magnetic stimulation, Electroencephalography and Clinical Neurophysiology/Electromyography and Motor Control, vol.105, issue.2, pp.94-101, 1997.
DOI : 10.1016/S0924-980X(97)96111-7

R. Garnett and J. A. Stephens, The reflex responses of single motor units in human first dorsal interosseous muscle following cutaneous afferent stimulation., The Journal of Physiology, vol.303, issue.1, pp.351-364, 1980.
DOI : 10.1113/jphysiol.1980.sp013290

R. Garnett, J. A. Stephens, and T. P. Usherwood, Changes in the probability of firing of human motor units following cutaneous stimulation, 1976.

D. Gonzalez-forero, F. J. Alvarez, R. R. De-la-cruz, J. M. Delgado-garcia, and A. M. Pastor, Influence of afferent synaptic innervation on the discharge variability of cat abducens motoneurones, The Journal of Physiology, vol.308, issue.1, pp.283-299013405, 2001.
DOI : 10.1113/jphysiol.2001.013405

P. Grosse, M. J. Cassidy, and P. Brown, EEG???EMG, MEG???EMG and EMG???EMG frequency analysis: physiological principles and clinical applications, Clinical Neurophysiology, vol.113, issue.10, pp.1523-1531, 2002.
DOI : 10.1016/S1388-2457(02)00223-7

B. Gustafsson, R. Katz, and J. And-malmsten, Effects of chronic partial deafferentiation on the electrical properties of lumbar alpha-motoneurones in the cat, Brain Res, vol.24682, pp.23-33, 1982.

D. M. Halliday, Weak, Stochastic Temporal Correlation of Large-Scale Synaptic Input Is a Major Determinant of Neuronal Bandwidth, Neural Computation, vol.13, issue.3, pp.693-707, 2000.
DOI : 10.1038/373033a0

N. Kakuda, T. Miwa, and M. Nagaoka, Coupling between single muscle spindle afferent and EMG in human wrist extensor muscles: physiological evidence of skeletofusimotor (beta) innervation, Electroencephalography and Clinical Neurophysiology/Electromyography and Motor Control, vol.109, issue.4, pp.360-363, 1998.
DOI : 10.1016/S0924-980X(98)00030-7

N. Kakuda, M. Nagaoka, and J. Wessberg, Common modulation of motor unit pairs during slow wrist movement in man, The Journal of Physiology, vol.47, issue.series B, 1999.
DOI : 10.1111/j.1469-7793.1999.00929.x

G. Kamen, D. Luca, and C. J. , Firing Rate Interactions Among Human Orbicularis Oris Motor Units, International Journal of Neuroscience, vol.30, issue.1-4, pp.167-175, 1992.
DOI : 10.3109/00207459209000542

J. M. Kilner, M. Alonso-alonso, R. Fisher, and R. N. Lemon, Modulation of synchrony between single motor units during precision grip tasks in humans, The Journal of Physiology, vol.7, issue.3, pp.937-948013305, 2001.
DOI : 10.1113/jphysiol.2001.013305

J. M. Kilner, S. N. Baker, S. Salenius, V. Jousmaki, R. Hari et al., Task-dependent modulation of 15-30 Hz coherence between rectified EMGs from human hand and forearm muscles, The Journal of Physiology, vol.485, issue.2, pp.559-570, 1999.
DOI : 10.1111/j.1469-7793.1999.0559v.x

J. M. Kilner, R. J. Fisher, and R. N. Lemon, Coupling of Oscillatory Activity Between Muscles Is Strikingly Reduced in a Deafferented Subject Compared With Normal Controls, Journal of Neurophysiology, vol.92, issue.2, pp.790-796, 2003.
DOI : 10.1152/jn.01247.2003

M. S. Kim, Y. Masakado, Y. Tomita, N. Chino, Y. S. Pae et al., Synchronization of single motor units during voluntary contractions in the upper and lower extremities, Clinical Neurophysiology, vol.112, issue.7, pp.1243-1249, 2001.
DOI : 10.1016/S1388-2457(01)00549-1

P. A. Kirkwood and T. A. Sears, Cross-Correlation Analyses of Motoneuron Inputs in a Coordinated Motor Act, Neuronal Cooperativity, pp.225-248, 1991.
DOI : 10.1007/978-3-642-84301-3_10

P. A. Kirkwood, T. A. Sears, D. L. Tuck, and R. H. Westgaard, Variations in the time course of the synchronization of intercostal motoneurones in the cat, The Journal of Physiology, vol.327, issue.1, pp.105-135, 1982.
DOI : 10.1113/jphysiol.1982.sp014223

P. A. Kirkwood, T. A. Sears, and R. H. Westgaard, Restoration of function in external intercostal motoneurones of the cat following partial central deafferentation., The Journal of Physiology, vol.350, issue.1, pp.225-251, 1984.
DOI : 10.1113/jphysiol.1984.sp015198

R. Kristeva, V. Chakarov, M. Wagner, J. Schulte-monting, and M. C. Hepp-reymond, Is the movement-evoked potential mandatory for movement execution? A high-resolution EEG study in a deafferented patient, NeuroImage, vol.31, issue.2, pp.677-685, 2006.
DOI : 10.1016/j.neuroimage.2005.12.053

C. G. Kukulka, C. , and H. P. , Comparison of the recruitment and discharge properties of motor units in human brachial biceps and adductor pollicis during isometric contractions, Brain Research, vol.219, issue.1, pp.45-55, 1981.
DOI : 10.1016/0006-8993(81)90266-3

M. M. Lowery, L. J. Myers, and Z. Erim, Coherence between motor unit discharges in response to shared neural inputs, Journal of Neuroscience Methods, vol.163, issue.2, 2007.
DOI : 10.1016/j.jneumeth.2007.03.011

V. G. Macefield, S. C. Gandevia, B. Bigland-ritchie, R. B. Gorman, and D. Burke, The firing rates of human motoneurones voluntarily activated in the absence of muscle afferent feedback., The Journal of Physiology, vol.471, issue.1, pp.429-443, 1993.
DOI : 10.1113/jphysiol.1993.sp019908

E. Maris, J. M. Schoffelen, and P. Fries, Nonparametric statistical testing of coherence differences, Journal of Neuroscience Methods, vol.163, issue.1, 2007.
DOI : 10.1016/j.jneumeth.2007.02.011

J. F. Marsden, S. F. Farmer, D. M. Halliday, J. R. Rosenberg, and P. Brown, The unilateral and bilateral control of motor unit pairs in the first dorsal interosseous and paraspinal muscles in man, The Journal of Physiology, vol.39, issue.2, pp.553-564, 1999.
DOI : 10.1111/j.1469-7793.1999.00553.x

J. F. Marsden, K. J. Werhahn, P. Ashby, J. Rothwell, S. Noachtar et al., Organization of cortical activities related to movement in humans, J. Neurosci, vol.20, pp.2307-2314, 2000.

B. Mattei, A. Schmied, R. Mazzocchio, B. Decchi, A. Rossi et al., Pharmacologically induced enhancement of recurrent inhibition in humans: effects on motoneurone discharge patterns, The Journal of Physiology, vol.548, issue.2, pp.615-629033126, 2002.
DOI : 10.1113/jphysiol.2002.033126

P. B. Matthews, Relationship of firing intervals of human motor units to the trajectory of post-spike after-hyperpolarization and synaptic noise., The Journal of Physiology, vol.492, issue.2, pp.597-628, 1996.
DOI : 10.1113/jphysiol.1996.sp021332

J. H. Mcauley, S. F. Farmer, J. C. Rothwell, and C. D. Marsden, Common 3 and 10 Hz oscillations modulate human eye and finger movements while they simultaneously track a visual target, The Journal of Physiology, vol.485, issue.3, pp.905-917, 1999.
DOI : 10.1111/j.1469-7793.1999.905ab.x

P. A. Mcnulty and V. G. Macefield, Modulation of ongoing EMG by different classes of low-threshold mechanoreceptors in the human hand, The Journal of Physiology, vol.537, issue.3, pp.1021-1032012664, 2001.
DOI : 10.1113/jphysiol.2001.012664

P. A. Mcnulty, V. G. Macefield, J. L. Taylor, and M. Hallett, Cortically evoked neural volleys to the human hand are increased during ischaemic block of the forearm, The Journal of Physiology, vol.18, issue.1, pp.279-288013200, 2001.
DOI : 10.1113/jphysiol.2001.013200

P. A. Mcnulty, K. S. Turker, and V. G. Macefield, Evidence for strong synaptic coupling between single tactile afferents and motoneurones supplying the human hand, The Journal of Physiology, vol.39, issue.3, pp.883-893, 1999.
DOI : 10.1111/j.1469-7793.1999.0883p.x

I. Mendez-balbuena, F. Huethe, J. Schulte-monting, R. Leonhart, E. Manjarrez et al., Corticomuscular coherence reflects interindividual differences in the state of the corticomuscular network during low-level static and dynamic forces Short term synchronization of human motor units and their responses to transcranial magnetic stimulation, Cereb. Cortex J. Physiol, vol.22, pp.483-511, 1995.

T. Mima and M. Hallett, Corticomuscular Coherence: A Review, Journal of Clinical Neurophysiology, vol.16, issue.6, pp.501-511, 1999.
DOI : 10.1097/00004691-199911000-00002

G. Mochizuki, J. G. Semmler, T. D. Ivanova, G. , and S. J. , Low-frequency common modulation of soleus motor unit discharge is enhanced during postural control in humans, Experimental Brain Research, vol.51, issue.4, pp.584-595, 2006.
DOI : 10.1007/s00221-006-0575-7

C. T. Moritz, E. A. Christou, F. G. Meyer, and R. M. Enoka, Coherence at 16-32 Hz Can Be Caused by Short-Term Synchrony of Motor Units, Journal of Neurophysiology, vol.94, issue.1, pp.105-118, 2004.
DOI : 10.1152/jn.01179.2004

S. D. Muthukumaraswamy, Temporal dynamics of primary motor cortex gamma oscillation amplitude and piper corticomuscular coherence changes during motor control, Experimental Brain Research, vol.119, issue.Pt 12, pp.623-633, 2011.
DOI : 10.1007/s00221-011-2775-z

L. J. Myers, Z. Erim, and M. M. Lowery, Time and frequency domain methods for quantifying common modulation of motor unit firing patterns, Journal of NeuroEngineering and Rehabilitation, vol.1, issue.1, pp.2-10, 2004.
DOI : 10.1186/1743-0003-1-2

F. Negro and D. Farina, Factors Influencing the Estimates of Correlation between Motor Unit Activities in Humans, PLoS ONE, vol.7, issue.9, 2012.
DOI : 10.1371/journal.pone.0044894.t002

Y. Nishimura, Y. Morichika, I. , T. Nordstrom, M. A. Fuglevand et al., A subcortical oscillatory network contributes to recovery of hand dexterity after spinal cord injury, Brain, vol.132, issue.3, pp.709-721, 1992.
DOI : 10.1093/brain/awn338

J. A. Norton and M. A. Gorassini, Changes in Cortically Related Intermuscular Coherence Accompanying Improvements in Locomotor Skills in Incomplete Spinal Cord Injury, Journal of Neurophysiology, vol.95, issue.4, pp.2580-2589, 2005.
DOI : 10.1152/jn.01289.2005

L. Patino, W. Omlor, V. Chakarov, M. C. Hepp-reymond, and R. Kristeva, Absence of Gamma-Range Corticomuscular Coherence During Dynamic Force in a Deafferented Patient, Journal of Neurophysiology, vol.99, issue.4, pp.1906-1916, 2007.
DOI : 10.1152/jn.00390.2007

R. S. Person and L. P. Kudina, Discharge frequency and discharge pattern of human motor units during voluntary contraction of muscle, Electroencephalography and Clinical Neurophysiology, vol.32, issue.5, pp.471-483, 1972.
DOI : 10.1016/0013-4694(72)90058-2

M. Piotrkiewicz and I. Hausmanowa-petrusewicz, Motoneuron afterhyperpolarisation duration in amyotrophic lateral sclerosis, The Journal of Physiology, vol.92, issue.Suppl, pp.2745-2754, 2011.
DOI : 10.1113/jphysiol.2011.204891

R. K. Powers, S. Vanden-noven, and W. Z. Rymer, Evidence of shared, direct input to motoneurons supplying synergist muscles in humans, Neuroscience Letters, vol.102, issue.1, pp.76-81, 1989.
DOI : 10.1016/0304-3940(89)90310-8

J. F. Prather, B. D. Clark, and T. C. Cope, Firing rate modulation of motoneurons activated by cutaneous and muscle receptor afferents in the decerebrate cat, J. Neurophysiol, vol.88, pp.1867-1879, 2002.

C. N. Riddle and S. N. Baker, Manipulation of peripheral neural feedback loops alters human corticomuscular coherence, The Journal of Physiology, vol.111, issue.2, pp.625-639, 2005.
DOI : 10.1113/jphysiol.2005.089607

J. R. Rosenberg, A. M. Amjad, P. Breeze, D. R. Brillinger, and D. M. Halliday, The Fourier approach to the identification of functional coupling between neuronal spike trains, Progress in Biophysics and Molecular Biology, vol.53, issue.1, pp.1-31, 1989.
DOI : 10.1016/0079-6107(89)90004-7

J. C. Rothwell, M. M. Traub, B. L. Day, J. A. Obeso, P. K. Thomas et al., MANUAL MOTOR PERFORMANCE IN A DEAFFERENTED MAN, Brain, vol.105, issue.3, pp.515-542, 1982.
DOI : 10.1093/brain/105.3.515

S. Salenius, H. , and R. , Synchronous cortical oscillatory activity during motor action, Current Opinion in Neurobiology, vol.13, issue.6, pp.678-684, 2003.
DOI : 10.1016/j.conb.2003.10.008

S. Salenius, K. Portin, M. Kajola, R. Salmelin, H. et al., Cortical control of human motoneuron firing during isometric contraction, J. Neurophysiol, vol.77, pp.3401-3405, 1997.

J. N. Sanes, K. H. Mauritz, M. C. Dalakas, and E. V. Evarts, Motor control in humans with large-fiber sensory neuropathy, Hum. Neurobiol, vol.4, pp.101-114, 1985.

A. Schmied and M. Descarreaux, Influence of contraction strength on single motor unit synchronous activity, Clinical Neurophysiology, vol.121, issue.10, pp.1624-1632, 2010.
DOI : 10.1016/j.clinph.2010.02.165

A. Schmied and M. Descarreaux, Reliability of EMG determinism to detect changes in motor unit synchrony and coherence during submaximal contraction, Journal of Neuroscience Methods, vol.196, issue.2, 2011.
DOI : 10.1016/j.jneumeth.2011.01.005

A. Schmied, C. Ivarsson, and E. E. Fetz, Short-term synchronization of motor units in human extensor digitorum communis muscle: relation to contractile properties and voluntary control, Experimental Brain Research, vol.97, issue.1, pp.159-172, 1007.
DOI : 10.1007/BF00228826

A. Schmied, S. Pagni, H. Sturm, and J. P. Vedel, Selective enhancement of motoneurone short-term synchrony during an attention-demanding task, Experimental Brain Research, vol.133, issue.3, pp.377-390, 2000.
DOI : 10.1007/s002210000421

A. Schmied, J. Pouget, and J. P. Vedel, Electromechanical coupling and synchronous firing of single wrist extensor motor units in sporadic amyotrophic lateral sclerosis, Clinical Neurophysiology, vol.110, issue.5, pp.960-974, 1999.
DOI : 10.1016/S1388-2457(99)00032-2

A. Schmied, J. P. Vedel, J. Pouget, R. Forget, Y. Lamarre et al., Changes in Motoneurone Connectivity Assessed from Neuronal Synchronization Analysis, Alpha and Gamma Motor Systems, pp.469-479, 1995.
DOI : 10.1007/978-1-4615-1935-5_99

A. Schmied, J. P. Vedel, and S. Pagni, Human spinal lateralization assessed from motoneurone synchronization: dependence on handedness and motor unit type., The Journal of Physiology, vol.480, issue.2, pp.369-387, 1994.
DOI : 10.1113/jphysiol.1994.sp020367

J. M. Schoffelen, R. Oostenveld, and P. Fries, Neuronal Coherence as a Mechanism of Effective Corticospinal Interaction, Science, vol.308, issue.5718, pp.111-113, 2005.
DOI : 10.1126/science.1107027

J. M. Schoffelen, J. Poort, R. Oostenveld, and P. Fries, Selective Movement Preparation Is Subserved by Selective Increases in Corticomuscular Gamma-Band Coherence, Journal of Neuroscience, vol.31, issue.18, pp.6750-6758, 2011.
DOI : 10.1523/JNEUROSCI.4882-10.2011

T. A. Sears and D. Stagg, Short-term synchronization of intercostal motoneurone activity., The Journal of Physiology, vol.263, issue.3, pp.357-381, 1976.
DOI : 10.1113/jphysiol.1976.sp011635

J. G. Semmler, K. W. Kornatz, D. V. Dinenno, S. Zhou, and R. M. Enoka, Motor unit synchronisation is enhanced during slow lengthening contractions of a hand muscle, The Journal of Physiology, vol.517, issue.2, pp.681-695026948, 2002.
DOI : 10.1113/jphysiol.2002.026948

J. G. Semmler, M. A. Nordstrom, W. , and C. J. , Relationship between motor unit short-term synchronization and common drive in human first dorsal interosseous muscle, Brain Research, vol.767, issue.2, pp.314-320, 1997.
DOI : 10.1016/S0006-8993(97)00621-5

J. G. Semmler, M. V. Sale, F. G. Meyer, and M. A. Nordstrom, Motor-Unit Coherence and Its Relation With Synchrony Are Influenced by Training, Journal of Neurophysiology, vol.92, issue.6, pp.3320-3331, 2004.
DOI : 10.1152/jn.00316.2004

A. M. Taylor, R. M. Enoka, and R. K. Powers, Optimization of Input Patterns and Neuronal Properties to Evoke Motor Neuron Synchronization, Journal of Computational Neuroscience, vol.16, issue.2, pp.139-157, 2001.
DOI : 10.1023/B:JCNS.0000014107.16610.2e

I. H. Wagman, D. S. Pierce, and R. E. Burger, Proprioceptive Influence in Volitional Control of Individual Motor Units, Nature, vol.19, issue.5000, pp.957-958, 1038.
DOI : 10.1002/ar.1091440205

S. J. Welsh, D. V. Dinenno, T. , and B. L. , Variability of quadriceps femoris motor neuron discharge and muscle force in human aging, Experimental Brain Research, vol.83, issue.Pt1, pp.219-233, 2007.
DOI : 10.1007/s00221-006-0785-z

C. L. Witham, C. N. Riddle, M. R. Baker, and S. N. Baker, Contributions of descending and ascending pathways to corticomuscular coherence in humans, The Journal of Physiology, vol.27, issue.15, pp.3789-3800, 2011.
DOI : 10.1113/jphysiol.2011.211045

U. Ziemann, M. Hallett, and L. G. Cohen, Mechanisms of deafferentationinduced plasticity in human motor cortex, J. Neurosci, vol.18, pp.7000-7007, 1998.