Research Topics
| Stuart Binder-MacleodSummaryAffiliation: University of Delaware Country: USA Publications
Research Grants
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Detail Information
Publications
Development of a mathematical model for predicting electrically elicited quadriceps femoris muscle forces during isovelocity knee joint motionRamu Perumal
Department of Physical Therapy, University of Delaware, Newark, DE, USA
J Neuroeng Rehabil 5:33. 2008....- Predicting muscle forces of individuals with hemiparesis following strokeTrisha M Kesar
301 McKinly Laboratory, Department of Physical Therapy, University of Delaware, Newark, DE 19716, USA
J Neuroeng Rehabil 5:7. 2008..The aim of this study was to test our isometric muscle force model on the quadriceps femoris, ankle dorsiflexor, and ankle plantar-flexor muscles of individuals with post-stroke hemiparesis... - Effects of activation frequency and force on low-frequency fatigue in human skeletal muscleS A Binder-Macleod
Department of Physical Therapy, University of Delaware, Newark, Delaware 19716, USA
J Appl Physiol 86:1337-46. 1999..The findings are consistent with theories suggesting two independent mechanisms behind LFF and may help identify the optimal activation pattern when functional electrical stimulation is used... - Electrical stimulation factors in potentiation of human quadriceps femorisStuart A Binder-Macleod
Department of Physical Therapy, 301 McKinly Laboratories, University of Delaware, Newark, Delaware 19716, USA
Muscle Nerve 25:271-9. 2002..Furthermore, peak force and force-time integral had no effects on the rate or amount of potentiation. These results should help clinicians and researchers to design protocols that control for the effects of muscle potentiation... - Catchlike property of skeletal muscle: recent findings and clinical implicationsStuart Binder-Macleod
Department of Physical Therapy, 301 McKinly Laboratory, University of Delaware, Newark, Delaware 19716, USA
Muscle Nerve 31:681-93. 2005.... - Effect of frequency and pulse duration on human muscle fatigue during repetitive electrical stimulationTrisha Kesar
Department of Physical Therapy, 301 McKinly Laboratory, University of Delaware, Newark, DE 19716, USA
Exp Physiol 91:967-76. 2006..The results suggest that if the frequency and intensity are kept constant during FES, using the lowest frequency and longest pulse duration may maximize performance... - Relationship between stimulation train characteristics and dynamic human skeletal muscle performanceR Maladen
Interdisciplinary Graduate Program in Biomechanics and Movement Sciences, University of Delaware, Newark, DE 19716, USA
Acta Physiol (Oxf) 189:337-46. 2007..The purpose of the present study was to investigate the effect of activation frequency on dynamic human muscle performance for a range of train durations and number of pulses during free limb movement... - Effects of fast functional electrical stimulation gait training on mechanical recovery in poststroke gaitNils A Hakansson
Department of Mechanical Engineering, University of Delaware, Newark, DE, USA
Artif Organs 35:217-20. 2011..FastFES gait training has the capacity to increase the gait speed, improve the mechanical recovery, and reduce the mechanical energy expenditure of stroke survivors when they walk... - A predictive fatigue model--II: Predicting the effect of resting times on fatigueJun Ding
Interdisciplinary Graduate Program in Biomechanics and Movement Science, University of Delaware, Newark 19716, USA
IEEE Trans Neural Syst Rehabil Eng 10:59-67. 2002..The success of our current force- and fatigue-model system helps to validate the model and suggests its potential use in identifying the optimal activation pattern during clinical application of functional electrical stimulation... - Contractile properties and the force-frequency relationship of the paralyzed human quadriceps femoris muscleWayne B Scott
Department of Physical Therapy and Rehabilitation Science, University of Maryland, Baltimore, USA
Phys Ther 86:788-99. 2006..DISCUSSION AND CONCLUSION: These findings may have important implications for designing stimulation strategies to reduce the rapid fatigue that limits the clinical efficacy of functional electrical stimulation... - Modeling the length dependence of isometric force in human quadriceps musclesRamu Perumal
Department of Mechanical Engineering, University of Delaware, Newark, DE, USA
J Biomech 35:919-30. 2002..This work showed that the current isometric force model is capable of predicting the changes in skeletal muscle force at different muscle lengths... - Low-frequency fatigueR Benjamin Keeton
Department of Physical Therapy, University of Delaware, Newark, DE 19716, USA
Phys Ther 86:1146-50. 2006 - Effect of electrical stimulation pattern on the force responses of paralyzed human quadriceps musclesWayne B Scott
Graduate Program in Biomechanics and Movement Science, University of Delaware, Newark, Delaware, USA
Muscle Nerve 35:471-8. 2007.... - Effects of activation pattern on nonisometric human skeletal muscle performanceRyan D Maladen
Dept of Physical Therapy, University of Delaware, Newark, DE, USA
J Appl Physiol 102:1985-91. 2007..These findings suggest that similar to voluntary muscle activation patterns, varying the instantaneous frequency within a train of pulses can be used to improve muscle performance during functional electrical stimulation... - Effects of muscle activation on fatigue and metabolism in human skeletal muscleDavid W Russ
Graduate Program in Biomechanics and Movement Sciences, University of Delaware, Newark 19716, USA
J Appl Physiol 92:1978-86. 2002..In addition, within the range of frequencies tested, increasing total activations did not increase metabolic cost... - The effects of stimulation frequency and fatigue on the force-intensity relationship for human skeletal muscleLi Wei Chou
Biomechanics and Movement Science Program, University of Delaware, Newark, DE, USA
Clin Neurophysiol 118:1387-96. 2007..The purpose of this study was to understand the relationship between muscle force output and stimulation intensity and to see how this relationship changes with fatigue... - Mathematical model that predicts the force-intensity and force-frequency relationships after spinal cord injuriesJun Ding
Interdisciplinary Graduate Program in Biomechanics and Movement Science, University of Delaware, Newark, Delaware, USA
Muscle Nerve 36:214-22. 2007.... - Diminished fatigue at reduced muscle length in human skeletal muscleSamuel C K Lee
Department of Physical Therapy, University of Delaware, Newark, Delaware, USA
Muscle Nerve 36:789-97. 2007.... - Using customized rate-coding and recruitment strategies to maintain forces during repetitive activation of human musclesLi Wei Chou
Department of Physiology, University of Arizona, Tucson, Ariz, USA
Phys Ther 88:363-75. 2008..The purpose of this study was to compare the effectiveness of 5 stimulation strategies on maintaining forces during repetitive isometric muscle activation... - The effectiveness of progressively increasing stimulation frequency and intensity to maintain paralyzed muscle force during repetitive activation in persons with spinal cord injuryLi Wei Chou
Biomechanics and Movement Science Program, University of Delaware, Newark, DE, USA
Arch Phys Med Rehabil 89:856-64. 2008.... - Effects of stimulation frequencies and patterns on performance of repetitive, nonisometric tasksMaikutlo B Kebaetse
Interdisciplinary Programs in Biomechanics and Movement Science, McKinly Laboratory, University of Delaware, Newark, Delaware 19107, USA
J Appl Physiol 92:109-16. 2002..The results showed that, under our testing conditions, higher frequency trains were better suited for producing repetitive knee movements than lower frequency trains... - Switching stimulation patterns improves performance of paralyzed human quadriceps muscleWayne B Scott
Graduate Program in Biomechanics and Movement Science, University of Delaware, Newark, Delaware, USA
Muscle Nerve 31:581-8. 2005..These findings confirm that switching train types may be a useful strategy to offset the rapid fatigue of the functionally important quadriceps muscle that persons with SCI experience when using FES... - Mathematical model that predicts lower leg motion in response to electrical stimulationRamu Perumal
Department of Mechanical Engineering, University of Delaware, Newark, DE 19716, USA
J Biomech 39:2826-36. 2006..This model can be implemented in an algorithm for controlling the position of the lower leg during the swing phase of gait during functional electrical stimulation... - Mathematical models for fatigue minimization during functional electrical stimulationJun Ding
Interdisciplinary Graduate Program in Biomechanics and Movement Science, University of Delaware, Newark, DE 19716, USA
J Electromyogr Kinesiol 13:575-88. 2003..The success of our model system further supports its potential use for the design of optimal stimulation patterns for individual users during functional electrical stimulation... - Effect of potentiation on the catchlike property of human skeletal musclesJun Ding
Department of Physical Therapy, 301 McKinly Laboratories, University of Delaware, Newark, Delaware 19716, USA
Muscle Nerve 27:312-9. 2003..These results should help to guide clinicians to design stimulation protocols that optimize performance during FES... - Changing stimulation patterns improves performance during electrically elicited contractionsWayne B Scott
Interdisciplinary Graduate Program in Biomechanics and Movement Science, University of Delaware, Newark, Delaware, USA
Muscle Nerve 28:174-80. 2003..50) or DFTs alone (55.33 +/- 3.81). This finding suggests that combining train types may be a useful strategy to offset the rapid fatigue that persons with neurological dysfunction, such as spinal cord injury, experience when using FES... - Predictability of maximum voluntary isometric knee extension force from submaximal contractions in older adultsScott K Stackhouse
Department of Physical Therapy, 301 McKinly Laboratory, University of Delaware, Newark, Delaware 19716, USA
Muscle Nerve 27:40-5. 2003..Reexamination of the relationship between the CAR and %MVC force may allow a more accurate determination of how failure of voluntary muscle activation contributes to weakness in old adults... - A mathematical model that predicts the force-frequency relationship of human skeletal muscleJun Ding
Department of Physical Therapy, 301 McKinly Laboratories, University of Delaware, Newark, Delaware 19716, USA
Muscle Nerve 26:477-85. 2002.... - Strategies that improve human skeletal muscle performance during repetitive, non-isometric contractionsMaikutlo B Kebaetse
Programs in Biomechanics and Movement Science, 303 McKinly Laboratory, University of Delaware, Newark, DE 19107, USA
Pflugers Arch 448:525-32. 2004.... - A predictive fatigue model--I: Predicting the effect of stimulation frequency and pattern on fatigueJun Ding
Interdisciplinary Graduate Program in Biomechanics and Movement Science, University of Delaware, Newark 19716, USA
IEEE Trans Neural Syst Rehabil Eng 10:48-58. 2002..The success of our current force- and fatigue-model system suggests its potential use in helping to identify the optimal activation pattern to use during the clinical application of functional electrical stimulation... - Mathematical model that predicts isometric muscle forces for individuals with spinal cord injuriesJun Ding
Department of Physical Therapy, 301 McKinly Laboratories, University of Delaware, Newark, Delaware 19716, USA
Muscle Nerve 31:702-12. 2005..The success of our model with SCI subjects leads us to believe that our model may be useful for designing optimal stimulation parameters for standing and ambulation in patients who use FES... - Predicting optimal electrical stimulation for repetitive human muscle activationLi-Wei Chou
Biomechanics and Movement Science Program, University of Delaware, Newark, DE, USA
J Electromyogr Kinesiol 15:300-9. 2005..Furthermore, the model appears to have the potential to identify the stimulation frequency that maximizes muscle force output and minimizes fatigue for each subject... - Factors in fatigue during intermittent electrical stimulation of human skeletal muscleDavid W Russ
Department of Exercise Science, University of Massachusetts, Amherst, Massachussetts 01003, USA
J Appl Physiol 93:469-78. 2002..These results suggest that, for brief stimulated contractions, peak force is a better predictor of fatigue than FTI, possibly because of the different metabolic demands of attaining and maintaining force... - Voluntary muscle activation, contractile properties, and fatigability in children with and without cerebral palsyScott K Stackhouse
Program in Biomechanics and Movement Science, University of Delaware, Newark, Delaware, USA
Muscle Nerve 31:594-601. 2005..Techniques such as enhanced feedback and neuromuscular electrical stimulation may be helpful for strengthening muscles that cannot be sufficiently recruited with voluntary effort... - Are voluntary muscle activation deficits in older adults meaningful?Jennifer E Stevens
Department of Physical Therapy, Room 301 McKinly Laboratory, University of Delaware, Newark, Delaware 19716, USA
Muscle Nerve 27:99-101. 2003..005). The mean difference between older and younger adults was 11%, which may be more meaningful than previous reports of 2-4% because it could explain the greater rate of strength loss as compared to loss of muscle mass as humans age... - Metabolic costs of isometric force generation and maintenance of human skeletal muscleDavid W Russ
Department of Biomechanics and Movement Science, University of Delaware, Newark, Delaware 19716, USA
Am J Physiol Endocrinol Metab 282:E448-57. 2002..Interestingly, the metabolic costs of maintaining force during 20-Hz and 80-Hz stimulation were comparable, although different levels of force were produced... - Strategies that improve paralyzed human quadriceps femoris muscle performance during repetitive, nonisometric contractionsMaikutlo B Kebaetse
Graduate Program in Biomechanics, University of Delaware, Newark, DE 19716, USA
Arch Phys Med Rehabil 86:2157-64. 2005.... - Neuromuscular electrical stimulation versus volitional isometric strength training in children with spastic diplegic cerebral palsy: a preliminary studyScott K Stackhouse
Department of Physical Therapy, Arcadia University, Glenside, PA, USA
Neurorehabil Neural Repair 21:475-85. 2007..To date, no reports have investigated neuromuscular electrical stimulation (NMES) to increase muscle force production of children with cerebral palsy (CP) using high-force contractions and low repetitions... - Association of genetic factors with selected measures of physical performanceWilliam R Thompson
Department of Physical Therapy, University of Delaware, Newark, DE 19716, USA
Phys Ther 86:585-91. 2006
Research Grants
- Fast Treadmill Training/Functional Electrical Stimulation to Improve WalkingStuart Binder Macleod; Fiscal Year: 2007....
- PT/PHD PREDOCTORAL TRAINING PROGRAMStuart Binder Macleod; Fiscal Year: 2007..Graduates of this training program are ideal faculty members who will foster excellence in rehabilitation research. ..
- FORCE OPTIMIZATION IN SKELETAL MUSCLEStuart Binder Macleod; Fiscal Year: 2005..The identification of stimulation patterns that maximize muscle performance will allow clinicians to select more physiologically advantageous activation patterns to use during functional electrical stimulation. ..
- Fast Treadmill Training/Functional Electrical Stimulation to Improve WalkingStuart A Binder Macleod; Fiscal Year: 2010....