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Titolo:
MACRO-EMG AND MOTOR UNIT RECRUITMENT THRESHOLD - DIFFERENCES BETWEEN THE YOUNG AND THE AGED
Autore:
MASAKADO Y; NODA Y; NAGATA M; KIMURA A; CHINO N; AKABOSHI K;
Indirizzi:
KEIO UNIV,SCH MED,DEPT REHABIL MED,SHINJUKU KU,35 SHINANOMACHI TOKYO 160 JAPAN
Titolo Testata:
Neuroscience letters
fascicolo: 1-2, volume: 179, anno: 1994,
pagine: 1 - 4
SICI:
0304-3940(1994)179:1-2<1:MAMURT>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Keywords:
MACRO-EMG; MOTOR UNIT; RECRUITMENT THRESHOLD; DECOMPOSITION; SIZE PRINCIPLE; AGED;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
10
Recensione:
Indirizzi per estratti:
Citazione:
Y. Masakado et al., "MACRO-EMG AND MOTOR UNIT RECRUITMENT THRESHOLD - DIFFERENCES BETWEEN THE YOUNG AND THE AGED", Neuroscience letters, 179(1-2), 1994, pp. 1-4

Abstract

The relationship between macro-EMG (electromyography) and motor unit recruitment threshold was studied in the first dorsal interosseous (FDI) muscle of normal young and aged subjects. During voluntary isometric contraction, motor unit action potentials (MUAP) were collected by aspecial quadrifilar electrode and decomposed to each MUAP train (MUAPT) using an EMG signal decomposition technique. Macro-EMG was obtainedfrom the electrode shaft, then triggered and averaged for each MUAPT. A positive linear correlation was observed in both the young and agedsubjects. However, the correlation coefficients were significantly lower in the aged individuals than in the young individuals.

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Documento generato il 02/12/20 alle ore 05:18:35