Chapter 14 Motor unit number estimation: new techniques and new uses

Supplements to Clinical Neurophysiology

Volumn 57, Issue C, 2004, Pages 120-136

  Bromberg, Mark B ^a  

^a UNIVERSITY OF UTAH SCHOOL OF MEDICINE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACTION POTENTIAL; AGE; ELECTROMYOGRAPHY; ELECTROSTIMULATION; HUMAN; METHODOLOGY; MOTONEURON; MOTOR NEURON DISEASE; PATHOPHYSIOLOGY; PHYSIOLOGY; REPRODUCIBILITY; REVIEW; SKELETAL MUSCLE; TIME;

ACTION POTENTIALS; AGE FACTORS; ELECTRIC STIMULATION; ELECTROMYOGRAPHY; HUMANS; MOTOR NEURON DISEASE; MOTOR NEURONS; MUSCLE, SKELETAL; REPRODUCIBILITY OF RESULTS; TIME FACTORS;

EID: 25144448593     PISSN: 1567424X     EISSN: None     Source Type: Book Series    
DOI: 10.1016/S1567-424X(09)70350-2     Document Type: Article

References (52)

1. Arasaki K., Tamaki M., Hosoya Y., and Kudu N. Validity of electromyograms and tension as a means of motor unit number estimation. Muscle Nerve 20 (1997) 552-560
2. Armon C. Using MUNE to make linearestimates of rate of progressionin ALS. In: Bromberg M. (Ed). Motor Unit Number Estimation (MUNE) 55 (2003), Elsevier, Amsterdam 177-183
3. Armon C., and Brandstater M. Motor unit number estimate-based rates of progression of ALS predict patient survival. Muscle Nerve 22 (1999) 1571-1575
4. Armon C., Graves M., Moses D., Forté S., Sepulveda L., Darby S., et al. Linear estimates of disease progression predict survival in patients with amyotrophic lateral sclerosis. Muscle Nerve 23 (2000) 874-882
5. Bromberg M. Motor unit estimation: Reproducibility of the spike-triggered averaging technique in normal and ALS subjects. Muscle Nerve 16 (1993) 466-471
6. Bromberg M. Electrodiagnostic studies in clinical trials for motor neuron disease. J. Clin. Neurophysiol. 15 (1998) 117-128
7. Bromberg M. Consensus. In: Bromberg M. (Ed). Motor Unit Number Estimation 55 (2003), Elsevier, Amsterdam 335-338
8. Bromberg M. Motor Unit Number Estimation (MUNE) 55 (2003), Elsevier, Amsterdam
9. Bromberg M., and Abrams J. Sources of error in the spike-triggered averaging method of motor unit number estimation (MUNE). Muscle Nerve 18 (1995) 1139-1146
10. Bromberg M., and Larson W. Relationships between motor-unit number estimates and isometric strength in distal muscles in ALS/MND. J. Neurolog. Sci. 139 (1996) 38-42
11. Bromberg M., and Spiegelberg T. The influence of active electrode placement on CMAP amplitude. Electroencephalog. Clin. Neurophysiol. 105 (1997) 385-389
12. Bromberg M., and Swoboda K. Motor unit number estimation in infants and children with spinal muscular atrophy. Muscle Nerve 25 (2002) 445-447
13. Bromberg M., Forshew D., Nau K., Bromberg J., Simmons Z., and Fries T. Motor unit number estimation, isometric strength, and electromyographic measures in amyotrophic lateral sclerosis. Muscle Nerve 16 (1993) 1213-1219
14. Bromberg M., Fries T., Forshew D., and Tandan R. Electrophysiologic endpoint measures in a multi-center ALS drug trial. J. Neurolog. Sci. 184 (2001) 51-55
15. Bromberg M., Swoboda K., and Lawson V. Counting motor units in chronic motor neuropathies. Exper. Neurology 184 (2003) S53-S57
16. Brown W., and Milner-Brown H. Some electrical properties of motor units and their effects on the methods of estimating motor unit numbers. J. Neurology, Neurosurg, Psychiatry 39 (1976) 249-257
17. Brown W., Strong M., and Snow R. Methods for estimating numbers of motor units in biceps-brachialis muscles and losses of motor units with aging. Muscle Nerve 11 (1988) 423-431
18. Cedarbaum J., Stambler N., Malta E., Fuller C., Hilt D., Thurmond B., et al. The ALSFRS-R: a revised ALS functional rating scale that incorporates assessments of respiratory function. J. Neurolog. Sci. 169 (1999) 13-21
19. Dantes M., and McComas A. The extent and time course of motorneuron involvement in amyotrophic lateral sclerosis. Muscle Nerve 14 (1994) 416-421
20. Daube J. Estimating the number of motor units in a muscle. J. Clin. Neurophysiol. 12 (1995) 585-594
21. Doherty T., and Brown W. The estimated numbers and relative sizes of thenar units as selected by multiple point stimulation in young and older adults. Muscle Nerve 16 (1993) 355-366
22. Doherty T., and Stashuk D. Decomposition-based quantitative electromyography: Methods and initial normative data in five muscles. Muscle Nerve 28 (2003) 204-211
23. Doherty T., Stashuk D., and Brown W. Determinants of mean motor unit size: Impact on estimates of motor unit number. Muscle Nerve 16 (1993) 1326-1331
24. Dyck P., and Lambert E. Lower motor and primary sensory neuron diseases with peroneal muscular atrophy. I. Neurologic, genetic, and electrophysiologic findings in hereditary polyneuropathies. Arch. Neurology 18 (1968) 603-681
25. Dyck P., and Lambert E. Lower motor and primary sensory neuron diseases with peroneal muscular atrophy. II. Neurologic, genetic, and electrophysiologic findings in various neuronal degenerations. Arch. Neurology 18 (1968) 619-621
26. Galea V., DeBruin H., Cavasin R., and McComas A. The numbers and relative sizes of motor units estimated by computer. Muscle Nerve 14 (1991) 1123-1130
27. Kadrie H., Yates S., Milner-Brown H., and Brown W. Multiple point electrical stimulation of ulnar and median nerves. J. Neurol., Neurosurg. Psychiatry 39 (1976) 973-985
28. Kimura J. Electrodiagnosis in diseases of nerve and muscle: Principles and practice (2001), FA Davis Company, Philadelphia
29. Kuether G., and Lipinski H.-G. Computer simulation of neuron degeneration in motor neuron disease (1988), Elsevier
30. Lawson V., Smith A., and Bromberg M. Assessment of axonal loss in Charcot-Marie-Tooth neuropathies. Exper. Neurol. 184 (2003) 753-757
31. Lawson V., Bromberg M., and Stashuk D. Comparison of conventional and decomposition-enhanced spike triggered averaging techniques. J. Clin. Neurophysiol. 115 (2004) 564-568
32. Lewis R., Li J., Fuerst D., Shy M., and Krajewski K. Motor unit number estimate of distal and proximal muscles in Charcot-Marie-Tooth disease. Muscle Nerve 28 (2003) 161-167
33. Lomen-Hoerth C., and Olney R. Comparison of multiple-point and statistical motor unit number estimation. Muscle Nerve 23 (2000) 1525-1533
34. Lomen-Hoerth C., and Olney R. Effect of recording window and stimulation variables on the statistical technique of motor unit number estimation. Muscle Nerve 24 (2001) 1659-1664
35. Lomen-Hoerth C., and Slawnych M. Statistical motor unit number estimation: From theory to practice. Muscle Nerve 28 (2003) 263-272
36. Mannen T., lwata M., Toyokura Y., and Nagashima K. Preservation of a certain motoneurone group of the sacral cord in amyotrophic lateral sclerosis: its clinical significance. J. Neurol., Neurosurg. Psychiatry 40 (1977) 464-469
37. McComas A. Invited review: Motor unit estimation: Methods, results, and present status. Muscle Nerve 14 (1991) 585-597
38. McComas A., Fawcett P., Campbell M., and Sica R. Electrophysiological estimation of the number of motor units within a human muscle. J. Neurol., Neurosurg. Psychiatry 34 (1971) 121-131
39. McComas A., Sica R., Campbell M., and Upton A. Functional compensation in partially denervated muscles. J. Neurol., Neurosurg. Psychiatry 34 (1971) 453-460
40. Munsat T., and Davies K. Spinal muscular atrophy (1997), Royal Society of Medicine Press, London
41. Munsat T., Andres P., Finison L., Conlon T., and Thibodeau L. The natural history of motoneuron loss in amyotrophic lateral sclerosis. Neurology 38 (1988) 409-413
42. Olney R., Yuen E., and Engstrum J. Statistical motor unit number estimation: Reproducibility and souces of error in patients with amyotrophic lateral sclerosis. Muscle Nerve 23 (2000) 193-197
43. Shefner J., Jillapalli D., and Bradshaw D. Reducing intersubject variability in motor unit number estimation. Muscle Nerve 22 (1999) 1457-1460
44. Slawnych M., Laszlo C., and Hershler C. A review of techniques employed to estimate the number of motor units in a muscle. Muscle Nerve 13 (1990) 1050-1064
45. Stålberg E. Electrophysiological studies of reinnervation in ALS (1982), Raven Press, New York
46. Stålberg E. Macro-EMG. Muscle Nerve 6 (1983) 619-630
47. Stålberg E., Schwartz M., and Trontelj J. Single fibre electromyography in various processes affecting the anterior horn cell. J. Neurolog. Sci. 24 (1975) 403-415
48. Stålberg E., Andreassen S., Falk B., Lang H., Rosenfalck A., and Trojaborg W. Quantitative analysis of individual motor unit potentials: A proposition for standardized terminology and criteria for measurement. J. Clin. Neurophysiol. 3 (1986) 313-348
49. Stashuk D. Decomposition and quantitative analysis of clinical electromyographic signals. Med Engin. Phys. 21 (1999) 389-404
50. Stein R., and Yang J. Methods for estimating the number of motor units in human muscles. Ann. Neurol. 28 (1990) 487-495
51. Tandan R., Bromberg M., Forshew D., Fries T., Badger G., Carpenter J., et al. A controlled trial of amino acid therapy in amyotrophic lateral sclerosis: I. Clinical, functional, and maximum isometric torque data. Neurology 47 (1996) 1220-1226
52. Yuen E., and Olney R. Longitudinal study of fiber density and motor unit number estimate in patients with amyotrophic lateral sclerosis. Neurology 49 (1997) 573-578