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Titolo:
The effect of multi-cycle-run blocks on pulmonary function in triathletes
Autore:
Hue, O; Boussana, A; Galy, O; Le Gallais, D; Chamari, K; Prefaut, C;
Indirizzi:
Univ Antilles Guyane, UFR STAPS Antilles Guyane, Lab ACTE, F-97159 Pointe a Pitre, Guadeloupe Univ Antilles Guyane Pointe a Pitre Guadeloupe F-97159 Pitre, Guadeloupe STAPS, UFR, UPRES ES, Lab Sport, Montpellier, France STAPS Montpellier France UFR, UPRES ES, Lab Sport, Montpellier, France Inst Super Sport & Educ Phys, Le Kef, Tunisia Inst Super Sport & Educ Phys Le Kef Tunisia Educ Phys, Le Kef, Tunisia CHU Arnaud Villeneuve, Unite Explorat Resp, Serv Cent Physiol Clin, Lab Physiol Interact, Montpellier, France CHU Arnaud Villeneuve Montpellier France Interact, Montpellier, France
Titolo Testata:
JOURNAL OF SPORTS MEDICINE AND PHYSICAL FITNESS
fascicolo: 3, volume: 41, anno: 2001,
pagine: 300 - 305
SICI:
0022-4707(200109)41:3<300:TEOMBO>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
PLASMA-VOLUME CHANGES; DIFFUSING-CAPACITY; GAS-EXCHANGE; VENTILATORY RESPONSES; BREATHING PATTERN; BLOOD-VOLUME; EXERCISE; FLOW; DEFORMABILITY; PERFORMANCE;
Keywords:
pulmonary diffusing capacity, physiology bicycling, physiology; running, physiology; lung volume measurements;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
39
Recensione:
Indirizzi per estratti:
Indirizzo: Hue, O Univ Antilles Guyane, UFR STAPS Antilles Guyane, Lab ACTE, Campus Fouillole, F-97159 Pointe a Pitre, Guadeloupe Univ Antilles Guyane Campus Fouillole Pointe a Pitre Guadeloupe F-97159
Citazione:
O. Hue et al., "The effect of multi-cycle-run blocks on pulmonary function in triathletes", J SPORT MED, 41(3), 2001, pp. 300-305

Abstract

Background. This study was designed to determined the pulmonary responses elicited by multi-cycle-run exercise in triathletes and to compare them to those elicited during a simple cycle-run succession. Methods. Twelve male triathletes underwent three successive laboratory trials: 1) an incremental cycle test, 2) 30 min of cycling followed by 20 min of running (C-R), and 3) five repeated bouts of 6 min of cycling and 4 min of running (X-CR). Before and 10 minutes after the third and fourth trials,the triathletes underwent lung function testing, especially spirometry anddiffusing capacity testing for carbon monoxide (DLCO). During all trials, ventilatory data were collected every minute using an automated breath-by-breath system. Results. The results showed that: 1) the cardiorespiratory responses observed during running were greater in the X-CR trial for (V) over dot(E)/(V) over dot CO2 and HR,2) DLCO and DLCO/VA were significantly reduced after both trials, and 3) there were no significant changes in pulmonary volumes. Conclusions. We concluded that 1) the multi-block trial elicited greater cardioventilatory responses than simple the cycle-run succession and 2) multi-block seems a good method to stimulate the specific adaptations required for the cycle-run succession, and particularly for the cycle-run transition. In any case, the efficacy of the multi-block model needs to be more thoroughly evaluated over the course of a longer-term training programme.

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Documento generato il 10/07/20 alle ore 09:44:36