Morning or evening training: effect on heart rate circadian rhythm

Carandente, F.; Montaruli, A.; Roveda, Eliana; Calogiuri, Giovanna; Michielon, G.; Torre, Antonio La

doi:10.1007/s11332-006-0020-0

Cited by 18 publications

(21 citation statements)

References 15 publications

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“…Sunlight is not the only factor that synchronizes organisms' rhythms. Biological rhythms are influenced by secondary factors, such as social habits, mealtimes, work schedules and also physical exercise and its intensity, duration and the time of day in which it takes place [11,12]. Research in the field of the chrono-physiology of exercise is relatively sparse, probably because the accomplishment and interpretation of this kind of study is often difficult due to the multi-factorial reactions of the organism to the exercise stimuli; in particular there are no thorough studies of the problem concerning performance in an environment without daylight.…”

Section: Introductionmentioning

confidence: 99%

Training time and adaptation to lack of daylight: a case report

Calogiuri

Beldo²,

Roveda

et al. 2009

Sport Sci Health

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A pilot study was conducted to describe the reaction to lack of daylight and different training times of circadian rhythms and sleep in a subject arriving in Alta (Northern Norway) from Milan (Italy) in the darkness period. Monitoring sessions by heart rate (HR) monitor and actigraph were performed after four conditions: MS1, no training in Italy; MS2, no training in Alta (lack of daylight); MS3, evening training in Alta; and MS4, morning training in Alta. Midline Estimating Statistic Of Rhythm (MESOR) for activity was lower in MS2 than in MS1, MS3 and MS4, and decreased progressively for HR. Acrophases were advanced in MS2 and MS4 compared to MS1 and MS3 for both activity and HR. Sleep Efficiency was higher in MS2, MS3 and MS4 compared to MS1, coinciding with low values in the Mean Activity Score and Movement and Fragmentation Index. It could be seen that lack of daylight induced a decrease of the activity state in the subject, advancing the acrophase and leading to increased sleep.After the exercise sessions the activity state of the subject increased and the circadian structure was influenced according to the time at which the training was performed.

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Section: Introductionmentioning

confidence: 99%

Training time and adaptation to lack of daylight: a case report

Calogiuri

Beldo²,

Roveda

et al. 2009

Sport Sci Health

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“…Pelo contrário, dois estudos concluíram que os ritmos circadianos afetam esta variável (Carandente et al, 2006;Hobson et al, 2009).…”

Section: -4-exercícios De Longa Duração (Superiores a 5 Minutos)unclassified

“…Por outro lado, os estudos apontam para uma adaptação do organismo à hora habitual de treino, conseguindo-se melhores prestações quando as horas de treino e de competição são coincidentes (Martin et al, 2001;Atkinson et al, 2005;Edwards et al, 2005;Carandente et al, 2006 …”

Section: -4-exercícios De Longa Duração (Superiores a 5 Minutos)unclassified

“…Por outro lado, verificaram uma adaptação do organismo à hora de treino, o que originou uma melhoria dos resultados quando as horas dos testes e as horas dos treinos são coincidentes (Souissi et al, 2002;Carandente et al, 2006;Chtourou et al, 2012a;Chtourou et al, 2012b;Rae et al, 2015).…”

Section: -Discussãounclassified

“…As condições envolventes, a idade e os hábitos de treino e de vida são fatores que influenciam os ritmos circadianos dos atletas. O seu conhecimento é fundamental para a otimização do desempenho desportivo (Atkinson et al, 1996;Carandente et al, 2006;Minati et al, 2006;Okamoto et al, 2013).…”

Section: Introductionunclassified

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Cronobiological effects over performance in individual sports: a systematic review (2000-2015)

Silveira¹,

Rama²

2016

ARSPA

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A navegação consulta e descarregamento dos títulos inseridos nas Bibliotecas Digitais UC Digitalis, UC Pombalina e UC Impactum, pressupõem a aceitação plena e sem reservas dos Termos e Condições de Uso destas Bibliotecas Digitais, disponíveis em https://digitalis.uc.pt/pt-pt/termos.Conforme exposto nos referidos Termos e Condições de Uso, o descarregamento de títulos de acesso restrito requer uma licença válida de autorização devendo o utilizador aceder ao(s) documento(s) a partir de um endereço de IP da instituição detentora da supramencionada licença.Ao utilizador é apenas permitido o descarregamento para uso pessoal, pelo que o emprego do(s) título(s) descarregado(s) para outro fim, designadamente comercial, carece de autorização do respetivo autor ou editor da obra.Na medida em que todas as obras da UC Digitalis se encontram protegidas pelo Código do Direito de Autor e Direitos Conexos e demais legislação aplicável, toda a cópia, parcial ou total, deste documento, nos casos em que é legalmente admitida, deverá conter ou fazer-se acompanhar por este aviso. Main results: the studies found an adaptation of the organism to the time of the training session, which causes an improvement of the performance when tests and training time are the same. On the other hand, tests shorter than 5 minutes got higher power output in the afternoon period. In tests longer than 5 minutes those differences were not evident for the majority of the authors. Finally, the studies have concluded in a consentaneous way that a before warming-up affects positively the sportive performance. Conclusions: the presented results are not consensual in all the issues. However, some findings gather higher accordance: in shorter exercises the higher power output values are obtained in the afternoon period and tend to coincide with body temperature peak; the greater the exercise duration is, the lower the influence of the circadian values of power output is; it is important to warm up before competition; it does matter to make coincide the time period of training with the time of competition periods having in mind the athlete's chronotype.KEYWORDS: circadian rhythm, biological clock, sportive performance, cyclical sports• 47Este artigo constitui uma revisão sistemática da literatura científica sobre cronobiologia entre 2000 e 2015, em estudos publicados centrados na relação entre as capacidades físi-cas e o desempenho em modalidades cíclicas individuais.

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Morning or evening exercise: effects on the heart rate circadian rhythm above the Arctic Circle

Calogiuri

Weydahl²,

Beldo³

et al. 2010

Sport Sci Health

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The potency of exercise as a nonphotic time cue compared to the solar cycle in influencing entrainment (organism synchronization within the 24-h period) has yet to be defined. Above the Arctic Circle during winter the sun remains below the horizon for several weeks and during summer remains above the horizon for several weeks. The goal of the present study was to investigate the effects related to exercising time on the circadian structure under conditions of lack of daylight and continuous daylight. The experiments were carried out at 70° North, above the Arctic Circle. Ten healthy females (age 24±5 years) were divided into two groups: an exercise and a control group. The subjects in the exercise group performed the same exercise routine at two different times of day (0900 and 1800 hours) both in January (twilight period) and in May (continuous daylight period). Continuous heart rate data were collected and analysed by the cosinor method. The acrophase values were significantly modified in the exercise group during evening exercise in January showing a delay compared with morning exercise and compared with the control group (3 h and 1.5 h, respectively), while in May this effect was not seen. The results indicate that in continuous daylight, the potency of exercise in modulating the circadian phase seems to be suppressed. However, these findings need to be verified in a larger poulation.

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Morning or evening training: effect on heart rate circadian rhythm

Cited by 18 publications

References 15 publications

Training time and adaptation to lack of daylight: a case report

Training time and adaptation to lack of daylight: a case report

Cronobiological effects over performance in individual sports: a systematic review (2000-2015)

Morning or evening exercise: effects on the heart rate circadian rhythm above the Arctic Circle

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