Modulation of Muscle Force by Recruitment During Intramuscular Stimulation
Abstract
The input-output relationships for modulation of force by recruitment during intramuscular electrical stimulation were examined for cat sleus muscles and human finger and thumb muscles. Recruitment was modulated by varying either the pulsewidth or amplitude of a monophasic, rectangular, cathodal current pulse train. Force was a nonlinear function of either pulsewidth or amplitude, and the shape of the nonlinearity was the same regardless of which parameter was modulated. The charge per stimulus pulse was lowest if pulsewidth was modulated with a fixed, high amplitude stimulus. The shape of the nonlinear relationship between pulsewidth and force (recruitment characteristic) depended on stimulus amplitude, electrode location in the muscle and muscle length. In most applications the amplitude and location would be fixed, so force would be a two-dimensional nonlinear function of pulsewidth and muscle length. The results are discussed with respect to possible mechanisns of recruitment during intramuscular stimulation, and the implications of the nonlinearities on the proportional control of orthoses employing electrically stimulated muscles.
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Another problem derives from the lack of selective, size-programmed activation of motor units within each muscle, thus limiting the period of use by muscle fatigue.
“Another problem derives from the lack of selective, size-programmed activation of motor units within each muscle, thus limiting the period of use by muscle fatigue”
From A critical review of interfaces with the peripheral nervous system for the control of neuroprostheses and hybrid bionic systems (2005) · cites this paper as Crago et al., 1980
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PROPERTIES OF MOTOR UNITS IN A HOMOGENEOUS RED MUSCLE (SOLEUS) OF THE CAT
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Navarro, X., Krueger, T. B., Lago, N., Micera, S., Stieglitz, T., & Dario, P. (2005) · Journal of the Peripheral Nervous System · doi:10.1111/j.1085-9489.2005.10303.x · Cited by 845 · see citing works
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The neural basis of perceived intensity in natural and artificial touch
Graczyk, E. L., Schiefer, M. A., Saal, H. P., Delhaye, B. P., Bensmaia, S. J., & Tyler, D. J. (2016) · Science Translational Medicine · doi:10.1126/scitranslmed.aaf5187 · Cited by 258 · see citing works
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Self-citationA Parylene Self-Locking Cuff Electrode for Peripheral Nerve Stimulation and Recording
Yu, H., Xiong, W., Zhang, H., Wang, W., & Li, Z. (2014) · Journal of Microelectromechanical Systems · doi:10.1109/jmems.2014.2333733 · Cited by 56 · see citing works
A neuroprosthesis for control of seated balance after spinal cord injury
Audu, M. L., Lombardo, L. M., Schnellenberger, J. R., Foglyano, K. M., Miller, M. E., & Triolo, R. J. (2015) · Journal of NeuroEngineering and Rehabilitation · doi:10.1186/1743-0003-12-8 · Cited by 38 · see citing works
- Authors
- Crago, P. E., Peckham, P. H., & Thrope, G. B.
- Affiliations
- Case Western Reserve University (US)
- ORCID
- Crago, Patrick E.
- Venue
- IEEE Transactions on Biomedical Engineering
- Published
- 1980-12
- Volume
- BME-27
- Issue
- 12
- Pages
- 679-684
- ISSN
- 0018-9294 (ISSN-L)
- 1558-2531
- OpenAlex
- W2000185603
- Cited by
- 216
- References
- 2
- Citations by year
- 2026: 1 · 2025: 1 · 2024: 1 · 2023: 1 · 2022: 5 · 2021: 1 · 2020: 6 · 2019: 5 · 2018: 8 · 2017: 6 · 2016: 4 · 2015: 4 · 2014: 11 · 2013: 9 · 2012: 1
- FWCI
- 5.59
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- IEEE Transactions on Biomedical Engineering (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Muscle activation and electromyography studies
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
- Health Sciences › Medicine › Neurology › Botulinum Toxin and Related Neurological Disorders
- Keywords
- intramuscular electrical stimulation, motor unit recruitment, input-output relationship, pulse duration, stimulus amplitude, muscle length, electrode placement, electrically stimulated muscle
- MeSH terms
- Animals, Cats, Electric Stimulation, Electrodes, Implanted, Electrophysiology, Electric Stimulation Therapy, Hand, Hindlimb, Humans, Muscle Contraction, Muscles, Neural Conduction, Recruitment, Neurophysiological, Spinal Cord Injuries
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