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Titolo:
Motor unit physiology: Some unresolved issues
Autore:
Enoka, RM; Fuglevand, AJ;
Indirizzi:
Univ Colorado, Dept Kinesiol & Appl Physiol, Boulder, CO 80309 USA Univ Colorado Boulder CO USA 80309 & Appl Physiol, Boulder, CO 80309 USA Univ Arizona, Dept Physiol, Tucson, AZ USA Univ Arizona Tucson AZ USAUniv Arizona, Dept Physiol, Tucson, AZ USA
Titolo Testata:
MUSCLE & NERVE
fascicolo: 1, volume: 24, anno: 2001,
pagine: 4 - 17
SICI:
0148-639X(200101)24:1<4:MUPSUI>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
MEDIAL GASTROCNEMIUS-MUSCLE; HUMAN SKELETAL-MUSCLE; ELBOW-FLEXOR MUSCLES; AMYOTROPHIC-LATERAL-SCLEROSIS; DORSAL INTEROSSEOUS MUSCLE; SHORT-TERM SYNCHRONIZATION; DIGITORUM COMMUNIS MUSCLE; SPINAL-CORD INJURY; M-BICEPS-BRACHII; CONTRACTILE PROPERTIES;
Keywords:
anisometric contraction; contraction type; discharge rate; innervation ratio; lengthening contraction; motor unit; muscle fiber types;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
176
Recensione:
Indirizzi per estratti:
Indirizzo: Enoka, RM Univ Colorado, Dept Kinesiol & Appl Physiol, Boulder, CO 80309 USA Univ Colorado Boulder CO USA 80309 ysiol, Boulder, CO 80309 USA
Citazione:
R.M. Enoka e A.J. Fuglevand, "Motor unit physiology: Some unresolved issues", MUSCLE NERV, 24(1), 2001, pp. 4-17

Abstract

The purpose of this review was to examine three issues that limit our understanding of motor unit physiology: (1) the range and distribution of the innervation ratios in a muscle; (2) the association between discharge rate and force; and (3) the variation in motor unit activity across contractions that differ in speed and type. We suggest that if more data were available on these issues, the understanding of neuromuscular function would be enhanced substantially, especially with regard to plasticity in the motor neuronpool, adequacy of the neural drive to muscle, and flexibility of activation patterns across various types of contractions. Current data are limited and these limitations influence our ability to interpret adaptations in muscle function in health and disease, (C) 2001 John Wiley & Sons, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/03/20 alle ore 20:01:19