Effects of stimulation frequency versus pulse duration modulation on muscle fatigue

Andrews, 1988, Hybrid FES orthosis incorporating closed loop control and sensory feedback, J Biomed Eng, 10, 189, 10.1016/0141-5425(88)90099-4

Bajd, 1999, Use of functional electrical stimulation in the lower extremities of incomplete spinal cord injured patients, Artif Organs, 23, 403, 10.1046/j.1525-1594.1999.06360.x

Binder-Macleod, 1992, Changes in the force–frequency relationship of the human quadriceps femoris muscle following electrically and voluntarily induced fatigue, Phys Ther, 72, 95, 10.1093/ptj/72.2.95

Binder-Macleod, 1995, Effects of stimulation intensity on the physiological responses of human motor units, Med Sci Sports Exerc, 27, 556, 10.1249/00005768-199504000-00014

Binder-Macleod, 1998, New look at force–frequency relationship of human skeletal muscle: effects of fatigue, J Neurophysiol, 79, 1858, 10.1152/jn.1998.79.4.1858

Binder-Macleod, 2002, Electrical stimulation factors in potentiation of human quadriceps femoris, Muscle Nerve, 25, 271, 10.1002/mus.10027

Boska, 1994, ATP production rates as a function of force level in the human gastrocnemius/soleus using 31P MRS, Magn Reson Med, 32, 1, 10.1002/mrm.1910320102

Brindley, 1979, Electrical splinting of the knee in paraplegia, Paraplegia, 16, 428, 10.1038/sc.1978.78

Brissot, 2000, Clinical experience with functional electrical stimulation-assisted gait with Parastep in spinal cord-injured patients, Spine, 25, 501, 10.1097/00007632-200002150-00018

Chae, 1998, Neuromuscular stimulation for upper extremity motor and functional recovery in acute hemiplegia, Stroke, 29, 975, 10.1161/01.STR.29.5.975

Chae, 2001, Intramuscular electromyographically controlled neuromuscular electrical stimulation for upper limb recovery in chronic hemiplegia, Am J Phys Med Rehabil, 80, 935, 10.1097/00002060-200112000-00011

Chin, 1996, The role of elevations in intracellular [Ca2+] in the development of low frequency fatigue in mouse single muscle fibres, J Physiol, 491, 813, 10.1113/jphysiol.1996.sp021259

Chin, 1997, Role of intracellular calcium and metabolites in low-frequency fatigue of mouse skeletal muscle, Am J Physiol, 272, C550, 10.1152/ajpcell.1997.272.2.C550

Chizeck, 1991, Feedback control of electrically stimulated muscle using simultaneous pulse width and stimulus period modulation, IEEE Trans Biomed Eng, 38, 1224, 10.1109/10.137288

Chou, 2005, Predicting optimal electrical stimulation for repetitive human muscle activation, J Electromyogr Kinesiol, 15, 300, 10.1016/j.jelekin.2004.10.002

Cooke, 1988, The inhibition of rabbit skeletal muscle contraction by hydrogen ions and phosphate, J Physiol, 395, 77, 10.1113/jphysiol.1988.sp016909

Crago, 1980, Modulation of muscle force by recruitment during intramuscular stimulation, IEEE Trans Biomed Eng, 27, 679, 10.1109/TBME.1980.326592

Daly, 2000, Electrically induced recovery of gait components for older patients with chronic stroke, Am J Phys Med Rehabil, 79, 349, 10.1097/00002060-200007000-00006

Ding, 1998, ;Two-step, predictive, isometric force model tested on data from human and rat muscles, J Appl Physiol, 85, 2176, 10.1152/jappl.1998.85.6.2176

Ding, 2000, A predictive model of fatigue in human skeletal muscles, J Appl Physiol, 89, 1322, 10.1152/jappl.2000.89.4.1322

Donaldson, 2000, FES cycling may promote recovery of leg function after incomplete spinal cord injury, Spinal Cord, 38, 680, 10.1038/sj.sc.3101072

Edwards, 1977, Fatigue of long duration in human skeletal muscle after exercise, J Physiol, 272, 769, 10.1113/jphysiol.1977.sp012072

Frank, 1998, Frequency dependent force generation correlates with sarcoplasmic calcium ATPase activity in human myocardium, Basic Res Cardiol, 93, 405, 10.1007/s003950050109

Fuglevand, 1999, Force–frequency and fatigue properties of motor units in muscles that control digits of the human hand, J Neurophysiol, 81, 1718, 10.1152/jn.1999.81.4.1718

Gerrits, 2003, Variability in fibre properties in paralysed human quadriceps muscles and effects of training, Pflugers Arch, 445, 734, 10.1007/s00424-002-0997-4

Graupe, 2000, Stochastically-modulated stimulation to slow down muscle fatigue at stimulated sites in paraplegics using functional electrical stimulation for leg extension, Neurol Res, 22, 703, 10.1080/01616412.2000.11740743

Jones, 1996, High-and low-frequency fatigue revisited, Acta Physiol Scand, 156, 265, 10.1046/j.1365-201X.1996.192000.x

Kamen, 1999, Independence of motor unit recruitment and rate modulation during precision force control, Neuroscience, 88, 643, 10.1016/S0306-4522(98)00248-6

Kanosue, 1979, The number of active motor units and their firing rates in voluntary contraction of human brachialis muscle, Jpn J Physiol, 29, 427, 10.2170/jjphysiol.29.427

Kebaetse, 2004, Strategies that improve human skeletal muscle performance during repetitive, non-isometric contractions, Pflugers Arch, 448, 525, 10.1007/s00424-004-1279-0

Kebaetse, 2005, ;Strategies that improve paralyzed human quadriceps femoris muscle performance during repetitive, nonisometric contractions, Arch Phys Med Rehabil, 86, 2157, 10.1016/j.apmr.2005.06.011

Kralj, 1988, Enhancement of gait restoration in spinal injured patients by functional electrical stimulation, Clin Orthop, 34

Liberson, 1961, Functional electrotherapy: stimulation of the peroneal nerve synchronized with the swing phase of the gait of hemiplegic patients, Arch Phys Med Rehabil, 42, 101

Malezic, 1995, Restoration of gait by functional electrical stimulation in paraplegic patients: a modified programme of treatment, Paraplegia, 33, 126, 10.1038/sc.1995.28

Marsden, 1983, Muscular wisdom” that minimizes fatigue during prolonged effort in man: peak rates of motoneuron discharge and slowing of discharge during fatigue, Adv Neurol, 39, 169

Marsolais, 1988, Energy costs of walking and standing with functional neuromuscular stimulation and long leg braces, Arch Phys Med Rehabil, 69, 243

Peckham, 2005, Functional electrical stimulation for neuromuscular applications, Annu Rev Biomed Eng, 7, 327, 10.1146/annurev.bioeng.6.040803.140103

Peckham, 2002, An advanced neuroprosthesis for restoration of hand and upper arm control using an implantable controller, J Hand Surg [Am], 27, 265, 10.1053/jhsu.2002.30919

Petrofsky, 1992, The effect of training on endurance and the cardiovascular responses of individuals with paraplegia during dynamic exercise induced by functional electrical stimulation, Eur J Appl Physiol Occup Physiol, 64, 487, 10.1007/BF00843755

Pierrynowski, 1985, Estimating the muscle forces generated in the human lower extremity when walking: a physiological solution, Math Biosci, 75, 43, 10.1016/0025-5564(85)90066-5

Popovic, 2001, Functional electrical stimulation for grasping and walking: indications and limitations, Spinal Cord, 39, 403, 10.1038/sj.sc.3101191

Popovic, 2001, Surface-stimulation technology for grasping and walking neuroprosthesis, IEEE Eng Med Biol Mag, 20, 82, 10.1109/51.897831

Potma, 1994, Myofibrillar ATPase activity and mechanical performance of skinned fibres from rabbit psoas muscle, J Physiol, 474, 303, 10.1113/jphysiol.1994.sp020023

Prochazka, 1997, The bionic glove: an electrical stimulator garment that provides controlled grasp and hand opening in quadriplegia, Arch Phys Med Rehabil, 78, 608, 10.1016/S0003-9993(97)90426-3

Rabischong, 1997, Regression-based indices of fatigue in paraplegics’ electrically stimulated quadriceps, Med Eng Phys, 19, 749, 10.1016/S1350-4533(97)00038-6

Raymond, 1999, Cardiorespiratory responses to arm cranking and electrical stimulation leg cycling in people with paraplegia, Med Sci Sports Exerc, 31, 822, 10.1097/00005768-199906000-00010

Riener, 1999, Model-based development of neuroprosthesis for paraplegic patients, Philos Trans R Soc Lond B Biol Sci, 354, 877, 10.1098/rstb.1999.0440

Russ, 1999, Variable-frequency trains offset low-frequency fatigue in human skeletal muscle, Muscle Nerve, 22, 874, 10.1002/(SICI)1097-4598(199907)22:7<874::AID-MUS10>3.0.CO;2-P

Russ, 2002, Factors in fatigue during intermittent electrical stimulation of human skeletal muscle, J Appl Physiol, 93, 469, 10.1152/japplphysiol.01010.2001

Sahlin, 1998, Energy supply and muscle fatigue in humans, Acta Physiol Scand, 162, 261, 10.1046/j.1365-201X.1998.0298f.x

Snoek, 2000, Use of the NESS handmaster to restore handfunction in tetraplegia: clinical experiences in ten patients, Spinal Cord, 38, 244, 10.1038/sj.sc.3100980

Snyder-Mackler, 1994, Reflex inhibition of the quadriceps femoris muscle after injury or reconstruction of the anterior cruciate ligament, J Bone Joint Surg Am, 76, 555, 10.2106/00004623-199404000-00010

Stienen, 1995, ATP utilization for calcium uptake and force production in skinned muscle fibres of Xenopus laevis, J Physiol, 482, 109, 10.1113/jphysiol.1995.sp020503

Stokes, 1989, Effect of low frequency fatigue on human muscle strength and fatigability during subsequent stimulated activity, Eur J Appl Physiol Occup Physiol, 59, 278, 10.1007/BF02388329

Taylor, 1999, Clinical use of the Odstock dropped foot stimulator: its effect on the speed and effort of walking, Arch Phys Med Rehabil, 80, 1577, 10.1016/S0003-9993(99)90333-7

Thomas, 1991, Force–frequency relationships of human thenar motor units, J Neurophysiol, 65, 1509, 10.1152/jn.1991.65.6.1509

Thrasher, 2005, Reducing muscle fatigue due to functional electrical stimulation using random modulation of stimulation parameters, Artif Organs, 29, 453, 10.1111/j.1525-1594.2005.29076.x

Vollestad, 1997, Measurement of human muscle fatigue, J Neurosci Meth, 74, 219, 10.1016/S0165-0270(97)02251-6

Westerblad, 1993, Intracellular calcium concentration during low-frequency fatigue in isolated single fibers of mouse skeletal muscle, J Appl Physiol, 75, 382, 10.1152/jappl.1993.75.1.382

Westerblad, 1998, Mechanisms underlying the reduction of isometric force in skeletal muscle fatigue, Acta Physiol Scand, 162, 253, 10.1046/j.1365-201X.1998.0301f.x