E. R. Baldwin, P. M. Klakowicz, and D. F. Collins, Wide-pulse-width, highfrequency neuromuscular stimulation: implications for functional electrical stimulation, J Appl Physiol, vol.101, pp.228-240, 1985.

A. J. Bergquist, J. M. Clair, and D. F. Collins, Motor unit recruitment when neuromuscular electrical stimulation is applied over a nerve trunk compared with a muscle belly: triceps surae, J Appl Physiol, vol.110, pp.627-637, 1985.

A. J. Bergquist, J. M. Clair, O. Lagerquist, C. S. Mang, Y. Okuma et al., Neuromuscular electrical stimulation: implications of the electrically evoked sensory volley, Eur J Appl Physiol, vol.111, pp.2409-2426, 2011.

J. S. Blouin, L. D. Walsh, P. Nickolls, and S. C. Gandevia, High-frequency submaximal stimulation over muscle evokes centrally generated forces in human upper limb skeletal muscles, J Appl Physiol, vol.106, pp.370-377, 1985.

H. Bostock and J. Bergmans, Post-tetanic excitability changes and ectopic discharges in a human motor axon, Brain, vol.117, pp.913-928, 1994.

D. F. Collins, D. Burke, and S. C. Gandevia, Large involuntary forces consistent with plateau-like behavior of human motoneurons, J Neurosci, vol.21, pp.4059-4065, 2001.

D. F. Collins, D. Burke, and S. C. Gandevia, Sustained contractions produced by plateau-like behaviour in human motoneurones, J Physiol, vol.538, pp.289-301, 2002.

S. S. Colson, A. Martin, and J. Van-hoecke, Effects of electromyostimulation versus voluntary isometric training on elbow flexor muscle strength, J Electromyogr Kinesiol, vol.19, pp.311-319, 2009.

J. C. Dean, J. M. Clair-auger, O. Lagerquist, and D. F. Collins, Asynchronous recruitment of low-threshold motor units during repetitive, low-current stimulation of the human tibial nerve, Front Hum Neurosci, vol.8, p.1002, 2014.

J. Gondin, J. Duclay, and A. Martin, Soleus-and gastrocnemii-evoked V-wave responses increase after neuromuscular electrical stimulation training, J Neurophysiol, vol.95, pp.3328-3335, 2006.

J. Gondin, M. Guette, Y. Ballay, and A. Martin, Electromyostimulation training effects on neural drive and muscle architecture, Med Sci Sports Exerc, vol.37, pp.1291-1299, 2005.

T. Training,

, J Appl Physiol, 2019.

C. M. Gregory and C. S. Bickel, Recruitment patterns in human skeletal muscle during electrical stimulation, Phys Ther, vol.85, pp.358-364, 2005.

E. Henneman, G. Somjen, and D. O. Carpenter, Functional significance of cell size in spinal motoneurons, J Neurophysiol, vol.28, pp.560-580, 1965.

J. A. Herrero, M. Izquierdo, N. A. Maffiuletti, and J. García-lópez, Electromyostimulation and plyometric training effects on jumping and sprint time, Int J Sports Med, vol.27, pp.533-539, 2006.

E. Jankowska, Y. Padel, and R. Tanaka, The mode of activation of pyramidal tract cells by intracortical stimuli, J Physiol, vol.249, pp.617-636, 1975.

T. M. Kesar, J. W. Stinear, and S. L. Wolf, The use of transcranial magnetic stimulation to evaluate cortical excitability of lower limb musculature: challenges and opportunities, Restor Neurol Neurosci, vol.36, pp.333-348, 2018.

S. Khaslavskaia, M. Ladouceur, and T. Sinkjaer, Increase in tibialis anterior motor cortex excitability following repetitive electrical stimulation of the common peroneal nerve, Exp Brain Res, vol.145, pp.309-315, 2002.

M. C. Kiernan, I. Mogyoros, and D. Burke, Differences in the recovery of excitability in sensory and motor axons of human median nerve, Brain, vol.119, pp.1099-1105, 1996.

M. C. Kiernan, C. S. Lin, and D. Burke, Differences in activity-dependent hyperpolarization in human sensory and motor axons, J Physiol, vol.558, pp.341-349, 2004.

P. M. Klakowicz, E. R. Baldwin, and D. F. Collins, Contribution of M-waves and H-reflexes to contractions evoked by tetanic nerve stimulation in humans, J Neurophysiol, vol.96, pp.1293-1302, 2006.

O. Lagerquist, L. D. Walsh, J. Blouin, D. F. Collins, and S. C. Gandevia, Effect of a peripheral nerve block on torque produced by repetitive electrical stimulation, J Appl Physiol, vol.107, pp.161-167, 1985.

N. A. Maffiuletti, Physiological and methodological considerations for the use of neuromuscular electrical stimulation, Eur J Appl Physiol, vol.110, pp.223-234, 2010.

N. A. Maffiuletti, M. Pensini, and A. Martin, Activation of human plantar flexor muscles increases after electromyostimulation training, J Appl Physiol, vol.92, pp.1383-1392, 1985.

C. S. Mang, O. Lagerquist, and D. F. Collins, Changes in corticospinal excitability evoked by common peroneal nerve stimulation depend on stimulation frequency, Exp Brain Res, vol.203, pp.11-20, 2010.

B. Matkowski, R. Lepers, and A. Martin, Torque decrease during submaximal evoked contractions of the quadriceps muscle is linked not only to muscle fatigue, J Appl Physiol, vol.118, pp.1136-1144, 1985.
URL : https://hal.archives-ouvertes.fr/hal-01303543

D. Neyroud, M. Gonzalez, S. Mueller, D. Agostino, S. Grosprêtre et al., Neuromuscular adaptations to wide-pulse high-frequency neuromuscular electrical stimulation training, Eur J Appl Physiol, vol.119, pp.1105-1116, 2019.

J. Nielsen and N. Petersen, Is presynaptic inhibition distributed to corticospinal fibres in man?, J Physiol, vol.477, pp.47-58, 1994.

T. Oya, B. W. Hoffman, and A. G. Cresswell, Corticospinal-evoked responses in lower limb muscles during voluntary contractions at varying strengths, J Appl Physiol, vol.105, pp.1527-1532, 1985.

M. Papaiordanidou, J. D. Stevenot, V. Mustacchi, M. Vanoncini, and A. Martin, Electrically induced torque decrease reflects more than muscle fatigue, Muscle Nerve, vol.50, pp.604-607, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01159592

M. Schieppati, The Hoffmann reflex: a means of assessing spinal reflex excitability and its descending control in man, Prog Neurobiol, vol.28, pp.90007-90011, 1987.

G. V. Smith, G. Alon, S. R. Roys, and R. P. Gullapalli, Functional MRI determination of a dose-response relationship to lower extremity neuromuscular electrical stimulation in healthy subjects, Exp Brain Res, vol.150, pp.33-39, 2003.

V. Strojnik and P. V. Komi, Neuromuscular fatigue after maximal stretchshortening cycle exercise, J Appl Physiol, vol.84, pp.344-350, 1985.

J. Theurel, R. Lepers, L. Pardon, and N. A. Maffiuletti, Differences in cardiorespiratory and neuromuscular responses between voluntary and stimulated contractions of the quadriceps femoris muscle, Respir Physiol Neurobiol, vol.157, pp.341-347, 2007.

R. Vagg, I. Mogyoros, M. C. Kiernan, and D. Burke, Activity-dependent hyperpolarization of human motor axons produced by natural activity, J Physiol, vol.507, pp.919-925, 1998.

F. Vitry, A. Martin, G. Deley, and M. Papaiordanidou, Effect of reflexive activation of motor units on torque development during electricallyevoked contractions of the triceps surae muscle, J Appl Physiol, vol.126, pp.386-392, 1985.
URL : https://hal.archives-ouvertes.fr/hal-01912288

T. References,

D. J. Bennett, H. Hultborn, B. Fedirchuk, and M. Gorassini, Synaptic activation of plateaus in hindlimb motoneurons of decerebrate cats, J Neurophysiol, vol.80, pp.2023-2037, 1998.

V. Bochkezanian, R. U. Newton, G. S. Trajano, A. Vieira, T. S. Pulverenti et al., Effect of tendon vibration during wide-pulse neuromuscular electrical stimulation (NMES) on the decline and recovery of muscle force, BMC Neurol, vol.17, p.82, 2017.

D. F. Collins, Central contributions to contractions evoked by tetanic neuromuscular electrical stimulation, Exerc Sport Sci Rev, vol.35, pp.102-109, 2007.

D. F. Collins, D. Burke, and S. C. Gandevia, Large involuntary forces consistent with plateau-like behavior of human motoneurons, J Neurosci, vol.21, pp.4059-4065, 2001.

D. F. Collins, D. Burke, and S. C. Gandevia, Sustained contractions produced by plateau-like behaviour in human motoneurones, J Physiol, vol.538, pp.289-301, 2002.

J. C. Dean, L. M. Yates, and D. F. Collins, Turning on the central contributions to contractions evoked by neuromuscular electrical stimulation, J Appl Physiol, vol.9, pp.102-109, 2007.

D. Lazzaro, V. Restuccia, D. Oliviero, A. Profice, P. Ferrara et al., Magnetic transcranial stimulation at intensities below active motor threshold activates intracortical inhibitory circuits, Exp Brain Res, vol.119, pp.265-268, 1998.

G. D. Hirst, S. J. Redman, and K. Wong, Post-tetanic potentiation and facilitation of synaptic potentials evoked in cat spinal motoneurones, J Physiol, vol.321, pp.97-109, 1981.

, MOTOR UNIT RECRUITMENT PATHWAY AND EVOKED TORQUE

P. M. Klakowicz, E. R. Baldwin, and D. F. Collins, Contribution of M-waves and H-reflexes to contractions evoked by tetanic nerve stimulation in humans, J Neurophysiol, vol.96, pp.1293-1302, 2006.

O. Lagerquist and D. F. Collins, Influence of stimulus pulse width on M-waves, H-reflexes, and torque during tetanic low-intensity neuromuscular stimulation, Muscle Nerve, vol.42, pp.886-893, 2010.

R. H. Lee, J. J. Kuo, M. C. Jiang, and C. J. Heckman, Influence of active dendritic currents on input-output processing in spinal motoneurons in vivo, J Neurophysiol, vol.89, pp.27-39, 2003.

R. H. Lee and C. J. Heckman, Influence of voltage-sensitive dendritic conductances on bistable firing and effective synaptic current in cat spinal motoneurons in vivo, J Neurophysiol, vol.76, pp.2107-2110, 1996.

G. Léonard, C. Mercier, and L. E. Tremblay, Effect of repetitive afferent electrical stimulation of the lower limb on corticomotor excitability and implications for rehabilitation, J Clin Neurosci, vol.20, pp.435-439, 2013.

F. H. Magalhães, D. R. De-toledo, and A. F. Kohn, Plantar flexion force induced by amplitude-modulated tendon vibration and associated soleus V/Fwaves as an evidence of a centrally-mediated mechanism contributing to extra torque generation in humans, J Neuroeng Rehabil, vol.10, p.32, 2013.

F. H. Magalhães and A. F. Kohn, Vibration-induced extra torque during electrically-evoked contractions of the human calf muscles, J Neuroeng Rehabil, vol.7, issue.26, 2010.

D. Neyroud, S. Grosprêtre, J. Gondin, B. Kayser, and N. Place, Test-retest reliability of wide-pulse high-frequency neuromuscular electrical stimulation evoked force, Muscle Nerve, vol.57, pp.70-77, 2018.

J. Nielsen and N. Petersen, Is presynaptic inhibition distributed to corticospinal fibres in man?, J Physiol, vol.477, pp.47-58, 1994.

T. Oya, B. W. Hoffman, and A. G. Cresswell, Corticospinal-evoked responses in lower limb muscles during voluntary contractions at varying strengths, J Appl Physiol, vol.105, pp.1527-1532, 1985.

E. Pierrot-deseilligny and D. Burke, The Circuitry of the Human Spinal Cord: Its Role in Motor Control and Movement Disorders, 2005.

J. F. Prather, R. K. Powers, and T. C. Cope, Amplification and linear summation of synaptic effects on motoneuron firing rate, J Neurophysiol, vol.85, pp.43-53, 2001.

P. Rudomin and R. F. Schmidt, Presynaptic inhibition in the vertebrate spinal cord revisited, Exp Brain Res, vol.129, pp.1-37, 1999.

M. Schieppati, The Hoffmann reflex: a means of assessing spinal reflex excitability and its descending control in man, Prog Neurobiol, vol.28, pp.90007-90011, 1987.

J. L. Veale, R. F. Mark, and S. Rees, Differential sensitivity of motor and sensory fibres in human ulnar nerve, J Neurol Neurosurg Psychiatry, vol.36, pp.75-86, 1973.

M. P. Veldman, I. Zijdewind, S. Solnik, N. A. Maffiuletti, K. Berghuis et al., Direct and crossed effects of somatosensory electrical stimulation on motor learning and neuronal plasticity in humans, Eur J Appl Physiol, vol.115, pp.2505-2519, 2015.

J. Wegrzyk, A. Fouré, C. Vilmen, B. Ghattas, N. A. Maffiuletti et al., Extra forces induced by wide-pulse, high-frequency electrical stimulation: occurrence, magnitude, variability and underlying mechanisms, Clin Neurophysiol, vol.126, pp.1400-1412, 2015.
URL : https://hal.archives-ouvertes.fr/hal-01414344

. Motor and . Torque, J Appl Physiol, 2019.

D. J. Bennett, H. Hultborn, B. Fedirchuk, and M. Gorassini, Synaptic Activation of Plateaus in Hindlimb Motoneurons of Decerebrate Cats, J Neurophysiol, 1998.

A. J. Bergquist, J. M. Clair, and O. Lagerquist, Neuromuscular electrical stimulation: Implications of the electrically evoked sensory volley, Eur J Appl Physiol, vol.111, pp.2409-2426, 2011.

D. F. Collins, Central contributions to contractions evoked by tetanic neuromuscular electrical stimulation, Exerc Sport Sci Rev, vol.35, pp.102-109, 2007.

D. F. Collins, D. Burke, and S. C. Gandevia, Large involuntary forces consistent with plateaulike behavior of human motoneurons, J Neurosci, vol.21, pp.4059-65, 2001.

D. F. Collins, D. Burke, and S. C. Gandevia, Sustained contractions produced by plateau-like behaviour in human motoneurones, J Physiol, vol.538, pp.289-301, 2002.

C. Crone, H. Hultborn, and L. Mazieres, Sensitivity of monosynaptic test reflexes to facilitation and inhibition as a function of the test reflex size: a study in man and the cat, Exp Brain Res, vol.81, pp.35-45, 1990.

R. Forget, R. Pantieri, and E. Pierrot-deseilligny, Facilitation of quadriceps motoneurones by group I afferents from pretibial flexors in man, Exp Brain Res, vol.78, pp.10-20, 1989.

C. J. Heckman, M. A. Gorassini, and D. J. Bennett, Persistent inward currents in motoneuron dendrites: Implications for motor output, Muscle and Nerve, vol.31, pp.135-156, 2005.

H. Hultborn, M. Illert, and J. Nielsen, On the mechanism of the post-activation depression of the H-reflex in human subjects, Exp brain Res, vol.108, pp.450-462, 1996.

H. Hultborn, S. Meunier, C. Morin, and E. Pierrot-deseilligny, Assessing changes in presynaptic inhibition of I a fibres: a study in man and the cat, J Physiol, vol.389, pp.729-756, 1987.

M. C. Kiernan, C. Lin, and D. Burke, Differences in activity-dependent hyperpolarization in human sensory and motor axons, J Physiol, vol.558, pp.341-349, 2004.

O. Lagerquist, L. D. Walsh, and J. Blouin, Effect of a peripheral nerve block on torque produced by repetitive electrical stimulation, J Appl Physiol, vol.107, pp.161-167, 2009.

R. H. Lee, Influence of Active Dendritic Currents on Input-Output Processing in Spinal Motoneurons In Vivo, J Neurophysiol, vol.89, pp.27-39, 2002.

G. M. Moolenaar, J. A. Holloway, and C. O. Trouth, Responses of caudal raphe neurons to peripheral somatic stimulation, Exp Neurol, vol.53, pp.304-313, 1976.

D. Neyroud, S. Grosprêtre, and J. Gondin, Test-retest reliability of wide-pulse highfrequency neuromuscular electrical stimulation evoked force, Muscle Nerve, vol.57, pp.70-77, 2017.

E. Pierrot-deseilligny and D. Burke, The circuitry of the human spinal cord: its role in motor control and movement disorders, Brain, 2005.

J. F. Prather, R. K. Powers, and T. C. Cope, Amplification and linear summation of synaptic effects on motoneuron firing rate, J Neurophysiol, vol.85, pp.43-53, 2001.

P. Rudomin and R. F. Schmidt, Presynaptic inhibition in the vertebrate spinal cord revisited, Exp Brain Res, vol.129, pp.1-37, 1999.

M. Schieppati, The Hoffmann reflex: A means of assessing spinal reflex excitability and its descending control in man, Prog Neurobiol, vol.28, pp.345-376, 1987.

M. Vanderthommen, S. Duteil, and C. Wary, A comparison of voluntary and electrically induced contractions by interleaved 1H-and 31P-NMRS in humans, J Appl Physiol, vol.94, pp.1012-1024, 2003.

J. L. Veale, R. F. Mark, and S. Rees, Differential sensitivity of motor and sensory fibres in human ulnar nerve, J Neurol Neurosurg Psychiatry, pp.75-86, 1973.

F. Vitry, A. Martin, G. Deley, and M. Papaiordanidou, Effect of reflexive activation of motor units on torque development during electrically-evoked contractions of the triceps surae muscle, J Appl Physiol, vol.126, pp.386-392, 2019.
URL : https://hal.archives-ouvertes.fr/hal-01912288

A. Adam and C. J. De-luca, Firing rates of motor units in human vastus lateralis muscle during fatiguing isometric contractions, J Appl Physiol, vol.99, pp.268-280, 2005.

G. R. Adams, R. T. Harris, D. Woodard, and G. A. Dudley, Mapping of electrical muscle stimulation using MRI, J Appl Physiol, vol.74, pp.532-537, 1993.

D. G. Allen and H. Westerblad, Role of phosphate and calcium stores in muscle fatigue, J Physiol, vol.536, pp.657-665, 2001.

G. M. Allen, S. C. Gandevia, and D. K. Mckenzie, Reliability of measurements of muscle strength and voluntary activation using twitch interpolation, Muscle Nerve, vol.18, pp.593-600, 1995.

G. M. Allen, D. K. Mckenzie, and S. C. Gandevia, Twitch interpolation of the elbow flexor muscles at high forces, Muscle Nerve Off J Am Assoc Electrodiagn Med, vol.21, pp.318-328, 1998.

B. L. Allman and C. L. Rice, An age-related shift in the force-frequency relationship affects quadriceps fatigability in old adults, J Appl Physiol, vol.96, pp.1026-1032, 2004.

J. H. Allum and K. H. Mauritz, Compensation for intrinsic muscle stiffness by short-latency reflexes in human triceps surae muscles, J Neurophysiol, vol.52, pp.797-818, 1984.

G. Alon, A. J. Inbar, and G. , Optimization of pulse duration and pulse charge during transcutaneous electrical nerve stimulation, Aust J Physiother, vol.29, pp.195-201, 1983.

C. Aymard, R. Katz, C. Lafitte, E. Lo, A. Pénicaud et al., Presynaptic inhibition and homosynaptic depression A comparison between lower and upper limbs in normal human subjects and patients with hemiplegia, J Appl Physiol, vol.123, pp.228-240, 2000.

A. T. Barker, R. Jalinous, and I. L. Freeston, Non-invasive magnetic stimulation of human motor cortex, Lancet, vol.325, pp.1106-1107, 1985.

P. Bawa and C. Murnaghan, Motor unit rotation in a variety of human muscles, J Neurophysiol, vol.102, pp.2265-2272, 2009.

P. Bawa, M. Y. Pang, K. A. Olesen, and B. Calancie, Rotation of motoneurons during prolonged isometric contractions in humans, J Neurophysiol, vol.96, pp.1135-1140, 2006.

L. Bax, F. Staes, and A. Verhagen, Does neuromuscular electrical stimulation strengthen the quadriceps femoris, Sport Med, vol.35, pp.191-212, 2005.

A. Y. Belanger and A. J. Mccomas, Extent of motor unit activation during effort, J Appl Physiol, vol.51, pp.1131-1135, 1981.

D. J. Bennett, H. Hultborn, B. Fedirchuk, and M. Gorassini, Synaptic Activation of Plateaus in

, Hindlimb Motoneurons of Decerebrate Cats, J Neurophysiol, 1998.

J. Bergmans and J. Michaux, Hyperpolarization evoked in single human nerve fibres by rhythmically repeated tetanizations, Arch Int Physiol Biochim, vol.78, pp.569-570, 1970.

A. J. Bergquist, J. M. Clair, O. Lagerquist, C. S. Mang, Y. Okuma et al., Neuromuscular electrical stimulation: Implications of the electrically evoked sensory volley, Eur J Appl Physiol, vol.111, pp.2409-2426, 2011.

A. J. Bergquist, M. J. Wiest, and D. F. Collins, Motor unit recruitment when neuromuscular electrical stimulation is applied over a nerve trunk compared with a muscle belly: quadriceps femoris, J Appl Physiol, vol.113, pp.78-89, 2012.

C. S. Bickel, C. M. Gregory, and J. C. Dean, Motor unit recruitment during neuromuscular electrical stimulation: A critical appraisal, Eur J Appl Physiol, vol.111, pp.2399-2407, 2011.

B. Bigland-ritchie, E. Cafarelli, and N. K. Vollestad, Fatigue of submaximal static contractions

, Acta Physiol Scand Suppl, vol.556, pp.137-148, 1986.

B. Bigland-ritchie, R. Johansson, O. C. Lippold, and J. J. Woods, Contractile speed and EMG changes during fatigue of sustained maximal voluntary contractions, J Neurophysiol, vol.50, pp.313-324, 1983.

B. Bigland-ritchie, D. A. Jones, and J. J. Woods, Excitation frequency and muscle fatigue: electrical responses during human voluntary and stimulated contractions, Exp Neurol, vol.64, pp.414-427, 1979.

B. R. Bigland-ritchie, F. H. Furbush, S. C. Gandevia, and C. K. Thomas, Voluntary discharge frequencies of human motoneurons at different muscle lengths, Muscle Nerve, vol.15, pp.130-137, 1992.

B. Bigland-ritchie, EMG/Force relations and fatigue of human voluntary contractions, 1981.

S. A. Binder-macleod, E. E. Halden, and K. A. Jungles, Binder-Macleod SA, Scott WB. Comparison of fatigue produced by various electrical stimulation trains, Med Sci Sports Exerc, vol.27, pp.195-203, 1995.

S. A. Binder-macleod and L. Snyder-mackler, Muscle fatigue: clinical implications for fatigue assessment and neuromuscular electrical stimulation, Phys Ther, vol.73, pp.902-910, 1993.

D. Boerio, M. Jubeau, R. Zory, and N. A. Maffiuletti, Central and peripheral fatigue after electrostimulation-induced resistance exercise, Med Sci Sports Exerc, vol.37, pp.973-978, 2005.

H. Bostock and J. Bergmans, Post-tetanic excitability changes and ectopic discharges in a human motor axon, Brain, vol.117, pp.913-928, 1994.

H. Bostock, K. Cikurel, and D. Burke, Threshold tracking techniques in the study of human peripheral nerve, Muscle and Nerve, vol.21, pp.137-158, 1998.

B. R. Bowman and L. L. Baker, Effects of waveform parameters on comfort during transcutaneous neuromuscular electrical stimulation, Ann Biomed Eng, vol.13, pp.59-74, 1985.

J. P. Brasil-neto, A. Cammarota, J. Valls-solé, A. Pascual-leone, M. Hallett et al.,

, Acta Neurol Scand, vol.92, pp.383-386, 1995.

F. Buchthal and H. Schmalbruch, Contraction times of twitches evoked by H-reflexes, Acta Physiol Scand, vol.80, pp.378-382, 1970.

D. Burke, R. W. Adams, and N. F. Skuse, The effects of voluntary contraction on the H reflex of human limb muscles, Brain, vol.112, pp.417-433, 1989.

D. F. Collins, Central contributions to contractions evoked by tetanic neuromuscular electrical stimulation, Exerc Sport Sci Rev, vol.35, pp.102-109, 2007.

D. F. Collins, D. Burke, and S. C. Gandevia, Large involuntary forces consistent with plateau-like behavior of human motoneurons, J Neurosci, vol.21, pp.4059-65, 2001.

D. F. Collins, D. Burke, and S. C. Gandevia, Sustained contractions produced by plateau-like behaviour in human motoneurones, J Physiol, vol.538, pp.289-301, 2002.

S. S. Colson, A. Martin, and J. Van-hoecke, Effects of electromyostimulation versus voluntary isometric training on elbow flexor muscle strength, J Electromyogr Kinesiol, vol.19, pp.311-319, 2009.

D. M. Connelly, C. L. Rice, M. R. Roos, and A. A. Vandervoort, Motor unit firing rates and contractile properties in tibialis anterior of young and old men, J Appl Physiol, vol.87, pp.843-852, 1999.

C. Crone, H. Hultborn, O. Kiehn, L. Mazieres, and H. Wigström, Maitained changes in motoneuronal excitability by short-lasting synaptic inputs in the decerebrate cat, J Physiol, vol.405, pp.321-343, 1988.

C. Crone, H. Hultborn, L. Mazieres, C. Morin, J. Nielsen et al., Sensitivity of monosynaptic test reflexes to facilitation and inhibition as a function of the test reflex size: a study in man and the cat, 1990.

C. Crone and J. Nielsen, Methodological implications of the post activation depression of the soleus H-reflex in man, Exp brain Res, vol.78, pp.28-32, 1989.

D. P. Currier and R. Mann, Muscular strength development by electrical stimulation in healthy individuals, Phys Ther, vol.63, pp.915-921, 1983.

D. R. Curtis and J. C. Eccles, Synaptic action during and after repetitive stimulation, J Physiol, vol.150, pp.374-398, 1960.

B. H. Dalton, B. Harwood, A. W. Davidson, and C. L. Rice, Triceps surae contractile properties and firing rates in the soleus of young and old men, J Appl Physiol, vol.107, pp.1781-1788, 2009.

J. Dean, L. Yates, and D. F. Collins, Turning on the Central Contributions to Contractions Evoked by Neuromuscular Electrical Stimulation, J Appl Physiol, vol.9, pp.102-109, 2007.

C. J. De-luca, The use of surface electromyography in biomechanics, J Appl Biomech, vol.13, pp.135-163, 1997.

A. Doix, B. Matkowski, A. Martin, K. Roeleveld, and S. S. Colson, Effect of neuromuscular electrical stimulation intensity over the tibial nerve trunk on triceps surae muscle fatigue, Eur J Appl Physiol, vol.114, pp.317-329, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01159569

J. Duchateau and K. Hainaut, Training effects of sub-maximal electrostimulation in a human muscle, Med Sci Sports Exerc, vol.20, pp.99-104, 1988.

J. Duclay, B. Pasquet, A. Martin, J. Duchateau, J. C. ;-e-eccles et al., Specific modulation of corticospinal and spinal excitabilities during maximal voluntary isometric, shortening and lengthening contractions in synergist muscles, J Physiol, vol.589, pp.275-91, 1958.
URL : https://hal.archives-ouvertes.fr/hal-00708620

J. C. Eccles, R. F. Schmidt, and W. D. Willis, Depolarization of the central terminals of cutaneous afferent fibers, J Neurophysiol, vol.26, pp.646-661, 1963.

R. H. Edwards, Human muscle function and fatigue, Ciba Foundation symposium, vol.82, pp.1-18, 1981.

P. Elliott and D. I. Wallis, Serotonin andl-norepinephrine as mediators of altered excitability in neonatal rat motoneurons studied in vitro, Neuroscience, vol.47, pp.533-544, 1992.

R. M. Enoka, Activation order of motor axons in electrically evoked contractions, Muscle Nerve, vol.25, pp.763-764, 2002.

R. M. Enoka, Neuromechanics of human movement. Human kinetics, 2008.

J. Erlanger, H. Gasser, D. Farina, A. Holobar, R. Merletti et al., Decoding the neural drive to muscles from the surface electromyogram, Clin Neurophysiol, vol.121, pp.1616-1623, 1937.

D. Farina, R. Merletti, and R. M. Enoka, The extraction of neural strategies from the surface EMG

, J Appl Physiol, vol.96, pp.1486-1495, 2004.

J. P. Ferguson, M. W. Blackley, R. D. Knight, T. G. Sutlive, F. B. Underwood et al., femoris muscle contraction, J Orthop Sport Phys Ther, vol.11, pp.24-29, 1989.

R. H. Fitts, R. Forget, R. Pantieri, E. Pierrot-deseilligny, M. Shindo et al., Facili-tation of quadriceps motoneurones by group I afferents from pretibial flexors in man. 1. Possible interneuronal pathway, Physiol Rev, vol.74, pp.49-94, 1989.

A. Frigon, C. K. Thompson, M. D. Johnson, M. Manuel, T. G. Hornby et al., Extra forces evoked during electrical stimulation of the muscle or its nerve are generated and modulated by a length-dependent intrinsic property of muscle in humans and cats, J Neurosci, vol.31, pp.5579-5588, 2011.
URL : https://hal.archives-ouvertes.fr/hal-02045314

A. J. Fuglevand, K. M. Zackowski, K. A. Huey, and R. M. Enoka, Impairment of neuromuscular propagation during human fatiguing contractions at submaximal forces, J Physiol, vol.460, p.549

S. C. Gandevia, Spinal and supraspinal factors in human muscle fatigue, Physiol Rev, vol.81, pp.1725-1789, 2001.

J. Gondin, Soleus-and Gastrocnemii-Evoked V-Wave Responses Increase After Neuromuscular Electrical Stimulation Training, J Neurophysiol, vol.95, pp.3328-3335, 2006.

J. Gondin, M. Guette, Y. Ballay, and A. Martin, Electromyostimulation training effects on neural drive and muscle architecture, Med Sci Sports Exerc, vol.37, pp.1291-1299, 2005.

M. Gorassini, J. F. Yang, M. Siu, and D. J. Bennett, Intrinsic activation of human motoneurons: reduction of motor unit recruitment thresholds by repeated contractions, J Neurophysiol, vol.87, pp.1859-1866, 2002.

A. Gorgey, C. Black, C. Elder, G. Dudley, A. S. Gorgey et al., Effects of neuromuscular electrical stimulation parameters on specific tension, J Orthop Sports Phys Ther, vol.39, pp.737-744, 2006.

M. T. Graham, C. L. Rice, and B. H. Dalton, Motor unit firing rates of the gastrocnemii during maximal brief steady-state contractions in humans, J Electromyogr Kinesiol, vol.26, pp.82-87, 2016.

C. M. Gregory and C. S. Bickel, Recruitment patterns in human skeletal muscle during electrical stimulation, Phys Ther, vol.85, pp.358-364, 2005.

C. M. Gregory, W. Dixon, and C. S. Bickel, Impact of varying pulse frequency and duration on muscle torque production and fatigue, Muscle and Nerve, vol.35, pp.504-509, 2007.

W. M. Grill and J. T. Mortimer, Stimulus waveforms for selective neural stimulation, IEEE Eng Med Biol Mag, vol.14, pp.375-385, 1995.

S. Groppa, A. Oliviero, A. Eisen, A. Quartarone, L. G. Cohen et al., A practical guide to diagnostic transcranial magnetic stimulation: report of an IFCN committee, Clin Neurophysiol, vol.123, pp.858-882, 2012.

S. Grosprêtre, F. Lebon, C. Papaxanthis, and A. Martin, Spinal plasticity with motor imagery practice, J Physiol, vol.597, pp.921-934, 2019.

S. Grosprêtre and A. Martin, H reflex and spinal excitability: methodological considerations, J Neurophysiol, vol.107, pp.1649-1654, 2012.

K. Hainaut and J. Duchateau, Neuromuscular electrical stimulation and voluntary exercise, Sport Med, vol.14, pp.100-113, 1992.

T. Hamada, T. Hayashi, T. Kimura, K. Nakao, and T. Moritani, Electrical stimulation of human lower extremities enhances energy consumption, carbohydrate oxidation, and whole body glucose uptake, J Appl Physiol, vol.96, pp.911-916, 2004.

P. J. Harvey, X. Li, Y. Li, and D. J. Bennett, Endogenous monoamine receptor activation is essential for enabling persistent sodium currents and repetitive firing in rat spinal motoneurons, J Neurophysiol, vol.96, pp.1171-1186, 2006.

C. J. Heckman and R. M. Enoka, Motor Unit, Compr Physiol, vol.2, pp.2629-2682, 2012.
URL : https://hal.archives-ouvertes.fr/hal-02415072

C. J. Heckman, M. A. Gorassini, and D. J. Bennett, Persistent inward currents in motoneuron dendrites: Implications for motor output, Muscle and Nerve, vol.31, pp.135-156, 2005.

C. J. Heckman, M. Johnson, C. Mottram, and J. Schuster, Persistent inward currents in spinal motoneurons and their influence on human motoneuron firing patterns, Neuroscientist, vol.14, pp.264-275, 2008.

E. Henneman, G. Somjen, and D. O. Carpenter, Functional Significance of Cell Size in Spinal Motoneurons, J Neurophysiol, vol.28, pp.560-580, 1965.

J. A. Herrero, M. Izquierdo, N. A. Maffiuletti, and J. García-lópez, Electromyostimulation and plyometric training effects on jumping and sprint time, Int J Sports Med, vol.27, pp.533-539, 2006.

T. Hortobágyi, K. Scott, J. Lambert, G. Hamilton, and J. Tracy, Cross-education of muscle strength is greater with stimulated than voluntary contractions, Motor Control, vol.3, pp.205-219, 1999.

J. Hounsgaard, H. Hultborn, B. Jespersen, and O. Kiehn, Bistability of alpha-motoneurones in the decerebrate cat and in the acute spinal cat after intravenous 5-hydroxytryptophan, J Physiol, vol.405, pp.345-367, 1988.

C. Hsiao, C. A. Negro, . Del, P. R. Trueblood, and S. H. Chandler, Ionic basis for serotonin-induced bistable membrane properties in guinea pig trigeminal motoneurons, J Neurophysiol, vol.79, pp.2847-2856, 1998.

C. F. Hsiao, P. R. Trueblood, M. Levine, and S. H. Chandler, Multiple effects of serotonin on membrane properties of trigeminal motoneurons in vitro, J Neurophysiol, vol.77, pp.2910-2924, 1997.

H. Hultborn, M. Illert, J. Nielsen, A. Paul, M. Ballegaard et al., On the mechanism of the post-activation depression of the H-reflex in human subjects, Exp brain Res, vol.108, pp.450-462, 1996.

H. Hultborn, E. Jankowska, and S. Lindström, Recurrent inhibition of interneurones monosynaptically activated from group Ia afferents, J Physiol, vol.215, pp.613-636, 1971.

H. Hultborn, S. Meunier, C. Morin, and E. Pierrot-deseilligny, Assessing changes in presynaptic inhibition of I a fibres: a study in man and the cat, pp.729-756, 1987.

H. Hultborn and J. B. Nielsen, From Ia Afferents by Their Preceding Activity-a "Postactivation Depression, Presynaptic Inhib neural Control, vol.178, 1998.

E. Hultman, H. Sjoholm, I. Jaderholm-ek, and J. Krynicki, Evaluation of methods for electrical stimulation of human skeletal muscle in situ, Pflugers Arch, vol.398, pp.139-141, 1983.

S. K. Hunter, J. Duchateau, and R. M. Enoka, Muscle fatigue and the mechanisms of task failure

, Exerc Sport Sci Rev, vol.32, pp.44-49, 2004.

M. J. Kelly and R. L. Lieber, Human quadriceps muscle fatigue at three frequencies and two duty activation depression in various group I spinal pathways in humans, Exp Brain Res, vol.166, pp.248-262, 2005.

R. H. Lee, Influence of Active Dendritic Currents on Input-Output Processing in Spinal Motoneurons In Vivo, J Neurophysiol, vol.89, pp.27-39, 2002.

R. H. Lee and C. J. Heckman, Bistability in spinal motoneurons in vivo: Systematic variations in rhythmic firing patterns, J Neurophysiol, vol.80, pp.572-582, 1998.

R. L. Lieber and M. J. Kelly, Torque history of electrically stimulated human quadriceps: implications for stimulation therapy, J Orthop Res, vol.11, pp.131-141, 1993.

J. Lou, A. J. Bergquist, A. Aldayel, J. Czitron, and D. F. Collins, M Maffiuletti NA. Physiological and methodological considerations for the use of neuromuscular electrical stimulation, Eur J Appl Physiol, vol.55, pp.223-234, 2010.

N. A. Maffiuletti, M. Pensini, and A. Martin, Activation of human plantar flexor muscles increases after electromyostimulation training, J Appl Physiol, vol.92, pp.1383-92, 2002.

F. H. Magalhães, D. R. De-toledo, and A. F. Kohn, Plantar flexion force induced by amplitudemodulated tendon vibration and associated soleus V/F-waves as an evidence of a centrallymediated mechanism contributing to extra torque generation in humans, J Neuroeng Rehabil, vol.10, p.32, 2013.

F. H. Magalhes and A. F. Kohn, Vibration-induced extra torque during electrically-evoked contractions of the human calf muscles, J Neuroeng Rehabil, vol.7, pp.1-16, 2010.

A. Martin, S. Grosprêtre, C. Vilmen, M. Guye, J. Mattei et al., The Etiology of Muscle Fatigue Differs between Two Electrical Stimulation Protocols, Med Sci Sports Exerc, vol.48, pp.1474-1484, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01414257

L. Martin, G. Cometti, M. Pousson, and B. Morlon, Effect of electrical stimulation traioning on the contractile characteristics of the triceps surae muscle, Eur J Appl Physiol, vol.67, pp.457-461, 1993.

B. Matkowski, R. Lepers, and A. Martin, Torque decrease during submaximal evoked contractions of the quadriceps muscle is linked not only to muscle fatigue, J Appl Physiol, vol.118, pp.1136-1144, 2015.
URL : https://hal.archives-ouvertes.fr/hal-01303543

T. Matsunaga, Y. Shimada, and K. Sato, Muscle fatigue from intermittent stimulation with low and high frequency electrical pulses, Arch Phys Med Rehabil, vol.80, pp.48-53, 1999.

C. J. Mcneil, J. E. Butler, J. L. Taylor, and S. C. Gandevia, Testing the excitability of human motoneurons, Front Hum Neurosci, vol.7, pp.1-9, 2013.

P. A. Merton, Voluntary strength and fatigue, J Physiol, vol.123, pp.553-564, 1954.

P. A. Merton and H. B. Morton, Stimulation of the cerebral cortex in the intact human subject, Nature, vol.285, p.227, 1980.

C. Miller and C. Thépaut-mathieu, Strength training by electrostimulation conditions for efficacy

, Int J Sports Med, vol.14, pp.20-28, 1993.

G. Y. Millet, V. Martin, A. Martin, and S. Verges, Electrical stimulation for testing neuromuscular function: from sport to pathology, Eur J Appl Physiol, vol.111, pp.2489-2500, 2011.
URL : https://hal.archives-ouvertes.fr/hal-00708642

Y. Mizuno, R. Tanaka, and N. Yanagisawa, Reciprocal group I inhibition on triceps surae motoneurons in man, J Neurophysiol, vol.34, pp.1010-1017, 1971.

G. M. Moolenaar, J. A. Holloway, and C. O. Trouth, Responses of caudal raphe neurons to peripheral somatic stimulation, Exp Neurol, vol.53, pp.304-313, 1976.

T. Moritani and M. Muro, Motor unit activity and surface electromyogram power spectrum during increasing force of contraction, Eur J Appl Physiol Occup Physiol, vol.56, pp.260-265, 1987.

T. Moritani, M. Muro, and A. Kijima, Electromechanical changes during electrically induced and maximal voluntary contractions: electrophysiologic responses of different muscle fiber types during stimulated contractions, Exp Neurol, vol.88, pp.471-483, 1985.

J. T. Mortimer, Motor prostheses. In Handbook of Physiology, Section 1: The Nervous System

A. N-nardone, M. Schieppati, D. Neyroud, D. Dodd, J. Gondin et al., Wide-pulse-highfrequency neuromuscular stimulation of triceps surae induces greater muscle fatigue compared with conventional stimulation, Motor Control Part I, vol.II, pp.1281-1289, 1981.

D. Neyroud, S. Grosprêtre, J. Gondin, B. Kayser, and N. Place, Test-retest reliability of wide-pulse high-frequency neuromuscular electrical stimulation evoked force, 2017.

R. Nguyen, K. Masani, S. Micera, M. Morari, M. Popovic et al., Spatially Distributed Sequential Stimulation Reduces Fatigue in Paralyzed Triceps Surae Muscles: A Case Study, Muscle and Nerve, vol.35, pp.293-299, 2011.

J. Owens, T. Malone, M. Papaiordanidou, D. Guiraud, and A. Varray, Treatment parameters of high frequency electrical stimulation as established on the Electro-Stim 180, J Orthop Sport Phys Ther, vol.4, pp.54-62, 1983.

M. Papaiordanidou, J. D. Stevenot, V. Mustacchi, M. Vanoncini, and A. Martin, Electrically induced torque decrease reflects more than muscle fatigue, Muscle and Nerve, vol.50, pp.604-607, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01159592

W. Penfield and H. Jasper, Epilepsy and the functional anatomy of the human brain, 1954.

E. Pierrot-deseilligny and D. Burke, The circuitry of the human spinal cord: its role in motor control and movement disorders, Brain, 2005.

N. Place, T. Yamada, J. D. Bruton, and H. Westerblad, Interpolated twitches in fatiguing single mouse muscle fibres: Implications for the assessment of central fatigue, J Physiol, vol.586, pp.2799-2805, 2008.

L. Poltawski and T. Watson, Bioelectricity and microcurrent therapy for tissue healing-a narrative review, Phys Ther Rev, vol.14, pp.104-114, 2009.

M. Portmann, Amelioration de la force musculaire au moyen de la stimulation electrique et application a l'entrainement sportif, 1991.

J. F. Prather, R. K. Powers, and T. C. Cope, Amplification and linear summation of synaptic effects on motoneuron firing rate, J Neurophysiol, vol.85, pp.43-53, 2001.

R. Silva, S. Neyroud, D. Maffiuletti, N. A. Gondin, J. Place et al., Twitch potentiation induced by two different modalities of neuromuscular electrical stimulation: Implications for motor unit recruitment, Muscle and Nerve, vol.51, pp.412-418, 2015.
URL : https://hal.archives-ouvertes.fr/hal-01414309

B. Renshaw, Influence of discharge of motoneurons upon excitation of neighboring motoneurons, J Neurophysiol, vol.4, pp.167-183, 1941.

M. R. Roos, C. L. Rice, D. M. Connelly, and A. A. Vandervoort, Quadriceps muscle strength, contractile properties, and motor unit firing rates in young and old men, Muscle Nerve Off J Am Assoc Electrodiagn Med, vol.22, pp.1094-1103, 1999.

C. F. Roques, Pratique de l'électrothérapie. Electrophysiothérapie Prat appliqué à la médicine Phys à la masso-kinésithérapie 14, 1997.

P. Rudomin and R. F. Schmidt, Presynaptic inhibition in the vertebrate spinal cord revisited, Exp Brain Res, vol.129, pp.1-37, 1999.

D. Russ, M. Elliott, K. Vandenborne, G. Walter, and S. Binder-macleod, Metabolic costs of isometric force generation and maintenance of human skeletal muscle, Am J Physiol Endocrinol Metab, vol.282, pp.448-457, 2002.

C. Ruther, C. Golden, R. Harris, and D. G. Hypertrophy, Resistance Training, and the Nature of Skeletal Muscle Activation, J. Strength and Cond.: Res, vol.9, issue.3, pp.135-180, 1988.

M. Schieppati, The Hoffmann reflex: A means of assessing spinal reflex excitability and its descending control in man, Prog Neurobiol, vol.28, pp.345-376, 1987.

W. B. Scott, S. Lee, T. E. Johnston, J. Binkley, and S. A. Binder-macleod, Effect of electrical stimulation pattern on the force responses of paralyzed human quadriceps muscles, Muscle and Nerve, vol.35, pp.471-478, 2007.

D. M. Selkowitz, Improvement in isometric strength of the quadriceps femoris muscle after

M. Vanderthommen and J. M. Crielaard,

, Rev Med Liege, vol.56, pp.391-395, 2001.

M. Vanderthommen, S. Duteil, C. Wary, J. S. Raynaud, A. Leroy-willig et al., A comparison of voluntary and electrically induced contractions by interleaved 1H-and 31P-NMRS in humans, J Appl Physiol, vol.94, pp.1012-1024, 2003.

M. Vanderthommen, R. Gilles, P. Carlier, F. Ciancabilla, O. Zahlan et al.,

M. , Human muscle energetics during voluntary and electrically induced isometric contractions as measured by 31P NMR spectroscopy, Int J Sports Med, vol.20, pp.279-283, 1999.

J. L. Veale, R. F. Mark, S. Rees, P. D. Wall, and W. H. Sweet, Differential sensitivity of motor and sensory fibres in human ulnar nerve, J Neurol Neurosurg Psychiatry, vol.155, pp.108-109, 1967.

A. R. Ward and N. Shkuratova, Russian electrical stimulation: the early experiments, Phys Ther, vol.82, pp.1019-1030, 2002.

J. Wegrzyk, A. Fouré, L. Fur, Y. Maffiuletti, N. A. Vilmen et al., Responders to wide-pulse, high-frequency neuromuscular electrical stimulation show reduced metabolic demand: A 31P-MRS study in humans, PLoS One, vol.10, pp.1-16, 2015.
URL : https://hal.archives-ouvertes.fr/hal-01414345

J. Wegrzyk, A. Fouré, C. Vilmen, B. Ghattas, N. A. Maffiuletti et al., Extra Forces induced by wide-pulse, high-frequency electrical stimulation: Occurrence, magnitude, variability and underlying mechanisms, Clin Neurophysiol, vol.126, pp.1400-1412, 2015.
URL : https://hal.archives-ouvertes.fr/hal-01414344

K. J. Werhahn, E. Kunesch, S. Noachtar, R. Benecke, and J. Classen, Differential effects on motorcortical inhibition induced by blockade of GABA uptake in humans, J Physiol, vol.517, pp.591-597, 1999.

M. J. Wiest, A. J. Bergquist, H. L. Schimidt, K. E. Jones, and D. F. Collins, Interleaved neuromuscular electrical stimulation: Motor unit recruitment overlap, Muscle and Nerve, vol.55, pp.490-499, 2016.

E. P. Zehr, Considerations for use of the Hoffmann reflex in exercise studies, Eur J Appl Physiol, vol.86, pp.455-468, 2002.

R. Zory, D. Boërio, M. Jubeau, and N. A. Maffiuletti, Central and peripheral fatigue of the knee extensor muscles induced by electromyostimulation, Int J Sports Med, vol.26, pp.847-853, 2005.