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Titolo:
ADENOSINE-TRIPHOSPHATE PRODUCTION-RATES, METABOLIC ECONOMY CALCULATIONS, PH, PHOSPHOMONOESTERS, PHOSPHODIESTERS, AND FORCE OUTPUT DURING SHORT-DURATION MAXIMAL ISOMETRIC PLANTAR FLEXION EXERCISES AND REPEATED MAXIMAL ISOMETRIC PLANTAR FLEXION EXERCISES
Autore:
NEWCOMER BR; BOSKA MD;
Indirizzi:
WRIGHT STATE UNIV,DEPT BIOCHEM & MOL BIOL KETTERING OH 45429 KETTERING MED CTR,KETTERING SCOTT MAGNET RESONANCE LAB KETTERING OH 00000
Titolo Testata:
Muscle & nerve
fascicolo: 3, volume: 20, anno: 1997,
pagine: 336 - 346
SICI:
0148-639X(1997)20:3<336:APMEC>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Soggetto:
HUMAN SKELETAL-MUSCLE; NUCLEAR MAGNETIC-RESONANCE; P-31 NMR; EXHAUSTIVE EXERCISE; INTRACELLULAR PH; ATP UTILIZATION; FATIGUE; RECOVERY; SPECTROSCOPY; ENERGY;
Keywords:
ADENOSINE TRIPHOSPHATE PRODUCTION RATES; P-31 MAGNETIC RESONANCE SPECTROSCOPY OF EXERCISING MUSCLE; FATIGUE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
45
Recensione:
Indirizzi per estratti:
Citazione:
B.R. Newcomer e M.D. Boska, "ADENOSINE-TRIPHOSPHATE PRODUCTION-RATES, METABOLIC ECONOMY CALCULATIONS, PH, PHOSPHOMONOESTERS, PHOSPHODIESTERS, AND FORCE OUTPUT DURING SHORT-DURATION MAXIMAL ISOMETRIC PLANTAR FLEXION EXERCISES AND REPEATED MAXIMAL ISOMETRIC PLANTAR FLEXION EXERCISES", Muscle & nerve, 20(3), 1997, pp. 336-346

Abstract

Measurements of adenosine triphosphate (ATP) production rates, metabolic economy, intracellular pH, phosphodiesters, and phosphomonoesters along with the force output were used to study 90-s maximum voluntary contractions and two new exercise protocols (20-10 and 30-16 exercises). The 20-10 exercise consisted of thirty-one 20-s maximal voluntary contractions separated by 10-s rest periods. The 30-16 exercise consisted of twenty 30-s maximal voluntary contractions separated by 16-s rest periods. There were no differences in ATP production rates, metabolic economy, intracellular pH, or force output between the 20-10 and 30-16 exercises. The 20-10 exercises accumulated more phosphomonoesters than the 30-16 exercises. These increases in phosphomonoesters may be attributed to increased accumulations of glucose-6-phosphate and/or inosine monophosphate. The increased perception of effort reported duringand after the 20-10 exercises was not present during the 30-16 or 90-s exercises. This increased perception of effort may be related to increases in lactate, glucose-6-phosphate, inosine monophosphate, and/or NH3. (C) 1997 John Wiley & Sons, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/11/20 alle ore 15:31:43