Motor unit discharge and force tremor in skill- and strength-trained individuals

Experimental Brain Research

Volumn 119, Issue 1, 1998, Pages 27-38

  Semmler, John G ^a,b   Nordstrom, Michael A ^a  

^a UNIVERSITY OF ADELAIDE   (Australia)

^b UNIVERSITY OF COLORADO   (United States)

Author keywords

First dorsal interosseous; Human; Motor cortex; Muscle usage patterns; Short term synchronization

Indexed keywords

ADULT; ARTICLE; CONTROLLED STUDY; FEMALE; FORCE; HAND; HUMAN; HUMAN EXPERIMENT; INDEX FINGER; MALE; MOTOR CORTEX; MOTOR UNIT; MUSCLE STRENGTH; MUSICIAN; NEUROMUSCULAR FUNCTION; NORMAL HUMAN; PRIORITY JOURNAL; SKILL; TRAINING; TREMOR; WEIGHT LIFTING;

ADOLESCENT; ADULT; FEMALE; HUMANS; LEARNING; MALE; MOTOR NEURONS; MOTOR SKILLS; MUSCLE, SKELETAL; PHYSICAL FITNESS; TREMOR; WEIGHT LIFTING;

EID: 0031891998     PISSN: 00144819     EISSN: None     Source Type: Journal    
DOI: 10.1007/s002210050316     Document Type: Article

References (41)

1. Allum JH, Dietz V, Freund HJ (1978) Neuronal mechanisms underlying physiological tremor. J Neurophysiol 41:557-571
2. Bremner FD, Baker JR, Stephens JA (1991) Effect of task on the degree of synchronization of intrinsic hand muscle motor units in man. J Neurophysiol 66:2072-2083
3. Christakos CN (1982) A study of the muscle force waveform using a population stochastic model of skeletal muscle. Biol Cybern 44:91-106
4. Cracraft JD, Petajan JH (1977) Effect of muscle training on the pattern of firing of single motor units. Am J Phys Med 56:183-194
5. Datta AK, Stephens JA (1990) Synchronization of motor unit activity during voluntary contraction in man. J Physiol (Lond) 422:397-119
6. Datta AK, Harrison LM, Stephens JA (1989) Task-dependent changes in the size of response to magnetic brain stimulation in human first dorsal interosseous muscle. J Physiol (Lond) 418:13-23
7. De Luca CJ, Mambrito B (1987) Voluntary control of motor units in human antagonist muscles: coactivation and reciprocal activation. J Neurophysiol 58:525-542
8. De Luca CJ, LeFever RS, McCue MP, Xenakis AP (1982) Control scheme governing concurrently active human motor units during voluntary contractions. J Physiol (Lond) 329:129-142
9. Dengler R, Wolf W, Struppler A (1984) Synchronous discharges in pairs of steadily firing motor units tend to form clusters. Neurosci Lett 47:167-172
10. Edstrom L, Grimby L (1986) Effect of exercise on the motor unit. Muscle Nerve 9:104-126
11. Elble RJ, Randall JE (1976) Motor-unit activity responsible for 8-to 12-Hz component of human physiological finger tremor. J Neurophysiol 39:370-383
12. Elek JM, Dengler R, Konstanzer A, Hesse S, Wolf W (1991) Mechanical implications of paired motor unit discharges in pathological and voluntary tremor. Electroencephalogr Clin Neurophysiol 81:279-283
13. Ellaway PH (1978) Cumulative sum technique and its application to the analysis of peristimulus time histograms. Electroencephalogr Clin Neurophysiol 45:302-304
14. Farmer SF, Ingram DA, Stephens JA (1990) Mirror movements studied in a patient with Klippel-Feil syndrome. J Physiol (Lond) 428:467-484
15. Farmer SF, Bremner FD, Halliday DM, Rosenberg JR, Stephens JA (1993a) The frequency content of common synaptic inputs to motoneurones studied during voluntary isometric contraction in man. J Physiol (Lond) 470:127-155
16. Farmer SF, Swash M, Ingram DA, Stephens JA (1993b) Changes in motor unit synchronization following central nervous lesions in man. J Physiol (Lond) 463:83-105
17. Flament D, Goldsmith P, Buckley CJ, Lemon RN (1993) Task dependence of responses in 1st dorsal interosseous muscle to magnetic brain stimulation in man. J Physiol (Lond) 464:361-378
18. Freund HJ, Büdingen HJ, Dietz V (1975) Activity of single motor units from human forearm muscles during voluntary isometric contractions. J Neurophysiol 38:933-946
19. Furness P, Jessop J, Lippold OCJ (1977) Long lasting increases in the tremor of human hand muscles following brief, strong effort. J Physiol (Lond) 265:821-831
20. Galganski ME, Fuglevand AJ, Enoka RM (1993) Reduced control of motor output in a human hand muscle of elderly subjects during submaximal contractions. J Neurophysiol 69:2108-2115
21. Kanen G, Greenstein SS, De Luca CJ (1992) Lateral dominance and motor unit firing behavior. Brain Res 576:165-167
22. Kirkwood PA (1979) On the use and interpretation of cross-correlation measurements in the mammalian central nervous system. J Neurosci Methods 1:107-132
23. Milner-Brown HS, Stein RB, Yemm R (1973) The contractile properties of human motor units during voluntary isometric contractions. J Physiol (Lond) 228:285-306
24. Milner-Brown HS, Stein RB, Lee RG (1975) Synchronization of human motor units: possible roles of exercise and supraspinal reflexes. Electroencephalogr Clin Neurophysiol 38:245-254
25. Muir RB, Lemon RN (1983) Corticospinal neurons with a special role in precision grip. Brain Res 261:312-316
26. Nordstrom MA, Semmler JG (1996) Motor cortex excitability during task performance is related to hand preference in man. Soc Neurosci Abstr 22:658
27. Nordstrom MA, Fuglevand AJ, Enoka RM (1992) Estimating the strength of common input to human motoneurons from the cross-correlogram. J Physiol (Lond) 453:547-574
28. Oldfield RC (1971) The assessment and analysis of handedness: the Edinburgh inventory. Neuropsychologia 9:97-113
29. Pascual-Leone A, Cammarota A, Wassermann EM, Brasil-Neto JP, Cohen LG, Hallett M (1993) Modulation of motor cortical outputs to the reading hand of braille readers. Ann Neurol 34:33-37
30. Porter R, Lemon RN (1993) Corticospinal function and voluntary movement. Oxford University Press, New York
31. Sale DG (1987) Influence of exercise and training on motor unit activation. Exerc Sport Sci Rev 15:95-151
32. Sears TA, Stagg D (1976) Short-term synchronization of intercostal motoneurone activity. J Physiol (Lond) 263:357-381
33. Semmler JG, Nordstrom MA (1995a) Influence of handedness on motor unit discharge properties and force tremor. Exp Brain Res 104:115-125
34. Semmler JG, Nordstrom MA (1995b) Motor unit synchronization and force tremor are reduced in skill-compared to strength-trained subjects. Soc Neurosci Abstr 21:1433
35. Semmler JG, Nordstrom MA (1996) Influence of muscle usage patterns on motor unit synchronization and force tremor in skill- and strength-trained subjects (abstract). Proc Aust Neurosci Soc 7:49
36. Semmler JG, Nordstrom MA, Wallace CJ (1997) Relationship between motor unit short-term synchronization and common drive in human first dorsal interosseous muscle. Brain Res (in press)
37. Stein RB, Lee RG (1981) Tremor and clonus. In: Brooks VB (ed) Motor control. (Handbook of physiology, The nervous system, vol II). American Physiological Society, Bethesda, MD, pp 325-342
38. Triggs WJ, Calvanio R, Macdonell RAL, Cros D, Chiappa KH (1994) Physiological motor asymmetry in human handedness - evidence from transcranial magnetic stimulation. Brain Res 636:270-276
39. Wassermann EM, McShane LM, Hallett M, Cohen LG (1992) Non-invasive mapping of muscle representations in human motor cortex. Electroencephalogr Clin Neurophysiol 85:1-8
40. Wiegner AW, Wierzbicka MM (1987) A method for assessing significance of peaks in cross-correlation histograms. J Neurosci Methods 22:125-131
41. Yue G, Fuglevand AJ, Nordstrom MA, Enoka RM (1995) Limitations of the surface electromyography technique for estimating motor unit synchronization. Biol Cybern 73:223-233