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Titolo:
Neuromuscular disturbance outlasts other symptoms of exercise-induced muscle damage
Autore:
Deschenes, MR; Brewer, RE; Bush, JA; McCoy, RW; Volek, JS; Kraemer, WJ;
Indirizzi:
Coll William & Mary, Dept Kinesiol, Williamsburg, VA 23187 USA Coll William & Mary Williamsburg VA USA 23187 Williamsburg, VA 23187 USA Penn State Univ, Dept Kinesiol, University Pk, PA 16802 USA Penn State Univ University Pk PA USA 16802 l, University Pk, PA 16802 USA Ball State Univ, Human Performance Lab, Muncie, IN 47306 USA Ball State Univ Muncie IN USA 47306 Performance Lab, Muncie, IN 47306 USA
Titolo Testata:
JOURNAL OF THE NEUROLOGICAL SCIENCES
fascicolo: 2, volume: 174, anno: 2000,
pagine: 92 - 99
SICI:
0022-510X(20000315)174:2<92:NDOOSO>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
HUMAN SKELETAL-MUSCLE; CREATINE-KINASE ACTIVITY; ECCENTRIC EXERCISE; CONCENTRIC CONTRACTIONS; FIBER COMPOSITION; INDUCED INJURY; SORENESS; PLASMA; ADAPTATION; PAIN;
Keywords:
creatine kinase; IL-1 beta; EMG; isometric; isokinetic; soreness;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
32
Recensione:
Indirizzi per estratti:
Indirizzo: Deschenes, MR Coll William & Mary, Dept Kinesiol, Williamsburg, VA 23187 USA Coll William & Mary Williamsburg VA USA 23187 VA 23187 USA
Citazione:
M.R. Deschenes et al., "Neuromuscular disturbance outlasts other symptoms of exercise-induced muscle damage", J NEUR SCI, 174(2), 2000, pp. 92-99

Abstract

This study examined the biochemical, immunological, functional, and neuromuscular responses associated with exercise-induced muscle damage in the quadriceps of untrained men. Muscle damage and soreness was elicited with maximal concentric/eccentric muscle actions at 0.53 rads s(-1). Significant (P<0.05) soreness was evident 1, 2, and 3 days following muscle insult, while plasma creatine kinase. a marker of muscle damage, was elevated 3 and 5 days post-insult. Plasma interleukin-I beta was significantly increased within5 min, and remained elevated 1, 2, 5, and 7 days post-insult. Maximal isometric quadriceps function was impaired (P < 0.05) for 5 days following muscle challenge. Maximal isokinetic performance at 1.09 mds s(-1) was diminished (P<0.05) for 2 days post-insult: no significant decrements at 3.14 rads s(-1) were noted. Average electrical activation (iEMG) of the quadriceps was unaltered, but iEMG activity of the rectus femoris - where soreness was focused - was significantly increased. Neuromuscular efficiency (torque/iEMG) was compromised throughout the 10-day post-insult period investigated. While other symptoms of exercise-induced muscle damage dissipate within 7 days, neuromuscular perturbation persists for at least 10 days. (C) 2000 Elsevier Science BN. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/09/20 alle ore 08:41:45