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Titolo:
HORMONAL RESPONSES TO CONSECUTIVE DAYS OF HEAVY-RESISTANCE EXERCISE WITH OR WITHOUT NUTRITIONAL SUPPLEMENTATION
Autore:
KRAEMER WJ; VOLEK JS; BUSH JA; PUTUKIAN M; SEBASTIANELLI WJ;
Indirizzi:
BALL STATE UNIV,HUMAN PERFORMANCE LAB MUNCIE IN 47306 PENN STATE UNIV,CTR SPORTS MED UNIVERSITY PK PA 16802 PENN STATE UNIV,DEPT KINESIOL,LAB SPORTS MED UNIVERSITY PK PA 16802
Titolo Testata:
Journal of applied physiology (1985)
fascicolo: 4, volume: 85, anno: 1998,
pagine: 1544 - 1555
SICI:
8750-7587(1998)85:4<1544:HRTCDO>2.0.ZU;2-J
Fonte:
ISI
Lingua:
ENG
Soggetto:
AMINO-ACID SUPPLEMENTATION; SKELETAL-MUSCLE ADAPTATIONS; GROWTH-FACTOR RESPONSES; PROTEIN-REQUIREMENTS; SEX-HORMONES; INSULIN; PERFORMANCE; ENDURANCE; GLYCOGEN; STRENGTH;
Keywords:
TESTOSTERONE; GROWTH HORMONE; INSULIN; INSULIN-LIKE GROWTH FACTOR-I; PROTEIN; CARBOHYDRATE; ANABOLIC; WEIGHT TRAINING;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
55
Recensione:
Indirizzi per estratti:
Citazione:
W.J. Kraemer et al., "HORMONAL RESPONSES TO CONSECUTIVE DAYS OF HEAVY-RESISTANCE EXERCISE WITH OR WITHOUT NUTRITIONAL SUPPLEMENTATION", Journal of applied physiology (1985), 85(4), 1998, pp. 1544-1555

Abstract

Nine resistance-trained men consumed either a protein-carbohydrate supplement or placebo for 1 wk in a crossover design separated by 7 days. The last 3 days of each treatment, subjects performed resistance exercise. The supplement was consumed 2 h before and immediately after the workout, and blood was obtained before and after exercise (0, 15, 30, 45, and 60 min postexercise). Lactate, growth hormone, and testosterone were significantly (P less than or equal to 0.05) elevated immediately postexercise. The lactate response was significantly lower duringsupplementation on days 2 and 3. Growth hormone and prolactin responses on day 1 were significantly higher during supplementation. After exercise, testosterone declined below resting values during supplementation. Cortisol decreased immediately postexercise on day 1; the response was diminished on days 2 and 3. Glucose and insulin were significantly elevated by 30 min during supplementation and remained stable during placebo. Insulin-Like growth factor-I was higher during supplementation on clays 2 and 3. These data indicate that protein-carbohydrate supplementation before and after training can alter the metabolic and hormonal responses to consecutive days of heavy-resistance exercise.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 01/10/20 alle ore 06:25:09