Some circulatory responses to exercise at different times of day

Reilly, Thomas; Robinson, Gerard P.; Minors, D.S.

doi:10.1249/00005768-198410000-00010

Cited by 86 publications

(51 citation statements)

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“…1 Hill et al 3 and Moussay et al 6 did not report any diurnal fluctuation in maximal heart rate. In contrast, other authors [7][8][9][10] have observed a diurnal fluctuation in maximal heart rate of 2-6 beats per minute. There are also large discrepancies between studies that focused on circadian maximal oxygen uptake patterns.…”

Section: Introductionmentioning

confidence: 80%

“…However, other authors have observed a diurnal fluctuation in maximal heart rate. [7][8][9][10] The maximal heart rate diurnal fluctuation previously observed in these studies ranges from 2 to 6 beats per minute (mean 1%-3%). Considering our data, the difference between mean test session values (2.9 ± 6.4 beats per minute) fit with such ranges of variation but failed to be significant, perhaps because of the large variability between subjects.…”

Section: Discussionmentioning

confidence: 98%

“…19,26,27 Considering that performancedetermining factors and core temperature circadian variations are roughly in phase, 1,9 it can be assumed that the present study should have allowed us to observe the maximal The results of the present study failed to demonstrate any significant diurnal variation in maximal heart rate and maximal oxygen uptake. Reilly et al 8 showed that amplitude of the circadian rhythm in heart rate is reduced as exercise intensity increases. Therefore, some discrepancies regarding the existence of diurnal fluctuation of maximal heart rate exist in the literature.…”

Section: Discussionmentioning

confidence: 99%

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Time of day has no effect on maximal aerobic and peak power

Bessot¹,

Moussay²,

Dufour³

et al. 2011

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Section: Introductionmentioning

confidence: 80%

Section: Discussionmentioning

confidence: 98%

Section: Discussionmentioning

confidence: 99%

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Time of day has no effect on maximal aerobic and peak power

Bessot¹,

Moussay²,

Dufour³

et al. 2011

CPT

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“…This is true both in the professional field, identifying the most favourable physiological moment to obtain the maximum result from performance, and for the amateur, allowing one to take full advantage of the benefits that physical activity produces for the body [1][2][3][4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Morning or evening training: effect on heart rate circadian rhythm

et al. 2006

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hours) were followed, changing the time slot each week. Each athlete trained, in turn, in each period. The fifth day of each week, heart rate was monitored for 24-28 hours. Statistical analysis employed the single and mean cosinor methods. The heart rate (HR) circadian rhythm was statistically significant (p<0.05) in all 4 training session time. The HR acrophase is progressively postponed during the afternoon: the heart rate acrophase for training done between 18.00 and 20.00 is delayed by approximately 3 hours compared to that of the training done between 09.00 and 11.00. Training done at different daily times synchronizes the HR circadian rhythm. Temporal programming of physical activity is a tool capable of modifying the temporal structure of physiological variables. This approach can be of great interest for coaches who plan training programs and it may benefit athletes when time zone adjustment is an issue, such as transferring to a different continent for a competitive event.

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“…This chapter will review research supporting the following topics: circadian rhythms, oxygen deficit, specificity of training, and circadian specificity. (Reilly & Brooks, 1982;Reilly, Robinson, & Minors, 1984).…”

Section: Chapter II Literature Reviewmentioning

confidence: 99%