Shape irregularity of motor unit potentials in some neuromuscular disorders

Muscle and Nerve

Volumn 21, Issue 9, 1998, Pages 1181-1187

  Zalewska, Ewa ^a   Rowińska Marcińska, Katarzyna ^a,b   Hausmanowa Petrusewicz, Irena ^a  

^a MOSSAKOWSKI MEDICAL RESEARCH CENTRE   (Poland)

^b MEDICAL UNIVERSITY OF WARSAW   (Poland)

Author keywords

Irregularity coefficient; Motor unit action potential shape analysis; Phases; Quantitative electromyography; Turns

Indexed keywords

ADOLESCENT; ADULT; AGED; AMYOTROPHIC LATERAL SCLEROSIS; ARTICLE; BECKER MUSCULAR DYSTROPHY; CHILD; CLINICAL ARTICLE; CLINICAL TRIAL; CONTROLLED STUDY; DIAGNOSTIC VALUE; DUCHENNE MUSCULAR DYSTROPHY; FEMALE; HUMAN; MALE; MOTOR UNIT POTENTIAL; MUSCLE ACTION POTENTIAL; NEUROMUSCULAR DISEASE; PRIORITY JOURNAL; SPINAL MUSCULAR ATROPHY;

ACTION POTENTIALS; ADOLESCENT; ADULT; AGED; AMYOTROPHIC LATERAL SCLEROSIS; CHILD; CHILD, PRESCHOOL; FEMALE; HUMANS; MALE; MIDDLE AGED; MOTOR NEURONS; MUSCULAR ATROPHY, SPINAL; MUSCULAR DYSTROPHIES;

EID: 2642672788     PISSN: 0148639X     EISSN: None     Source Type: Journal    
DOI: 10.1002/(SICI)1097-4598(199809)21:9<1181::AID-MUS9>3.0.CO;2-3     Document Type: Article

References (13)

1. AAEE glossary of terms. Muscle Nerve 1987;10:G5-G60.
2. Buchthal F, Guld C, Rosenfalck P: Action potential parameters in normal human muscle and their dependence on physical variables. Acta Physiol Scand 1954;32:200-218.
3. Buchthal F: Nogle trćk af den motoriske enheds normale og patologiske fysiologi. Med Ĺrborg 1960-61;191:368-383.
4. Buchthal F: The general concept of the motor unit. Assoc Nerv Ment Dis 1961;38:28-30.
5. Nandedkar SD, Sanders DB: Simulation of myopathic motor unit action potential. Muscle Nerve 1989;12:197-202.
6. Nandedkar SD, Sanders DB, Stålberg EV: EMG of reinnervated motor units: a simulation study. Electroencephalogr Clin Neurophysiol 1988;70:177-184.
7. Pfeiffer G, Kunze K: Turn and phase counts of individual motor unit potentials: correlation and reliability. Electroencephalogr Clin Neurophysiol 1992;85:161-165.
8. Sanoo M, Stålberg EV: The ability of MUP parameters to discriminate between normal and neurogenic MUPs in concentric EMG: analysis of the MUP thickness and the proposal of size index. Electroencephalogr Clin Neurophysiol 1993;89: 291-303.
9. Stålberg E, Andreassen S, Falck B, Lang H, Rosenfalck A, Trojaborg W: Quantitative analysis of individual motor unit potentials: a proposition for standardized terminology and criteria for measurement. J Clin Neurophysiol 1986;3:313-348.
10. Stålberg EV, Sanoo M: Assessment of variability in the shape of the motor unit action potential, the "jiggle" at consecutive discharges. Muscle Nerve 1994;17:1135-1144.
11. Stewart CHR, Nandedkar SD, Massey JM, Gilchrist JM, Barkhaus PE, Sanders DB: Evaluation of an automatic method of measuring features of motor unit action potentials. Muscle Nerve 1989;122:141-148.
12. Uncini A, Lange DJ, Lovelace RE, Solomon M, Hays AP: Long-duration polyphasic motor unit potentials in myopathies: a quantitative study with pathological correlation. Muscle Nerve 1990;13:263-267.
13. Zalewska E, Hausmanowa-Petrusewicz I: Evaluation of MUAP shape irregularity - a new concept of quantification. IEEE Trans Biomed Eng 1995;42:16-20.