Distinct patterns of motor unit behavior during muscle spasms in spinal cord injured subjects

Journal of Neurophysiology

Volumn 77, Issue 5, 1997, Pages 2847-2850

  Thomas, C K ^a   Ross, B H ^a,b  

^a UNIVERSITY OF MIAMI MILLER SCHOOL OF MEDICINE   (United States)

^b UNIVERSITY OF OTAGO   (New Zealand)

Author keywords

[No Author keywords available]

Indexed keywords

ADULT; ARTICLE; CASE REPORT; ELECTROMYOGRAM; HUMAN; MALE; MOTOR UNIT; MOTOR UNIT POTENTIAL; MUSCLE EXCITATION; MUSCLE SPASM; PRIORITY JOURNAL; SPINAL CORD INJURY;

EID: 0030939359     PISSN: 00223077     EISSN: None     Source Type: Journal    
DOI: 10.1152/jn.1997.77.5.2847     Document Type: Article

References (14)

1. BAWA, P. AND CALANCIE. B. Repetitive doublets in human flexor carpi radialis muscle. J. Physiol. Lond. 339: 123-132, 1983.
2. BELLEMARE, F., WOODS, J. J., JOHANSSON, R., AND BIGLAND-RITCHIE, B. Motor-unit discharge rates in maximal voluntary contractions of three human muscles. J. Neurophysiol. 50: 1380-1392, 1983.
3. BINDER, M. D., HECKMAN, C. J., AND POWERS, R. K. The physiological control of motoneuron activity. In: Handbook of Physiology. Exercise. Regulation and Integration of Multiple Systems. New York: Oxford Univ. Press, 1996, sect. 12, p. 3-53.
4. COPE, T. C., BODINE, S. C., FOURNIER, M., AND EDGERTON, V. R. Soleus motor units in chronic spinal transected cats: physiological and morphological alterations. J. Neurophysiol. 55: 1202-1220, 1986.
5. GANDEVIA, S. C., MACEFIELD, G., BURKE, D., AND MCKENZIE, D. K. Voluntary activation of human motor axons in the absence of muscle afferent feedback. The control of the deafferented hand. Brain 113: 1563-1581, 1990.
6. GEMPERLINE, J. J., ALLEN, S., WALK, S., AND RYMER, W. Z. Characteristics of motor unit discharge in subjects with hemiparesis. Muscle Nerve 18: 1101-1114, 1995.
7. HAGBARTH, K.-E., KUNESCH, E. J., NORDIN, M., SCHMIDT, R., AND WALLIN, E. U. γ loop contributing to maximal voluntary contractions in man. J. Physiol. Lond. 380: 575-591, 1986.
8. HAGBARTH, K.-E. AND VALLBO, Å.B. Single unit recordings from muscle nerves in human subjects. Acta Physiol. Scand. 76: 321-334, 1969.
9. MONSTER, A. W. AND CHAN, H. Isometric force production by motor units of extensor digitorum communis muscle in man. J. Neurophysiol. 40: 1432-1443, 1977.
10. RICE, C. L., VOLLMER, T. L., AND BIGLAND-RITCHIE, B. Neuromuscular responses of patients with multiple sclerosis. Muscle Nerve 15: 1123-1132, 1992.
11. ROSS, B. H. AND THOMAS, C. K. Motor unit activity during spasticity. Soc. Neurosci. Abstr. 20: 1752, 1994.
12. SHIELDS, R. K. Fatigability, relaxation properties, and electromyographic responses of the human paralyzed soleus muscle. J. Neurophysiol. 73: 2195-2206, 1995.
13. STEIN, R. B. AND LEE, R. G. Tremor and clonus. In: Handbook of Physiology. The Nervous System. Motor Control. Bethesda, MD: Am. Physiol. Soc., 1981, sect. 1, vol. II, p. 331.
14. THOMAS, C. K. Contractile properties of human thenar muscles paralyzed by spinal cord injury. Muscle Nerve. In press.