Effect of diurnal variations on cognitive and physical performance among female athletes

Objective: humans' circadian rhythm is an important parameter in understanding current biological, physiological, and psychological status, which broadly affects physical fitness. The physiological mechanisms underlying circadian rhythms remain underexplored despite their potential impact on p...

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Main Authors: Gopal Chandra Saha, Bekir Erhan Orhan, Susmita Hazra, Subhashis Biswas, Prem Kumar Karak, Smriti Mondal, Shantanu Halder, Mahendra Pratap Gaur
Format: Article
Language:English
Published: FEADEF 2025-05-01
Series:Retos: Nuevas Tendencias en Educación Física, Deportes y Recreación
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Online Access:http://207.180.252.49/index.php/retos/article/view/113742
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author Gopal Chandra Saha
Bekir Erhan Orhan
Susmita Hazra
Subhashis Biswas
Prem Kumar Karak
Smriti Mondal
Shantanu Halder
Mahendra Pratap Gaur
author_facet Gopal Chandra Saha
Bekir Erhan Orhan
Susmita Hazra
Subhashis Biswas
Prem Kumar Karak
Smriti Mondal
Shantanu Halder
Mahendra Pratap Gaur
author_sort Gopal Chandra Saha
collection DOAJ
description Objective: humans' circadian rhythm is an important parameter in understanding current biological, physiological, and psychological status, which broadly affects physical fitness. The physiological mechanisms underlying circadian rhythms remain underexplored despite their potential impact on physical and mental health. The study aims to examine the effect of diurnal variations on cognitive and physical performance in female athletes. Methodology: a counterbalanced within-subjects repeated measures design was employed, involving 15 healthy female university students aged 18 to 25. Each participant underwent cognitive and physical performance tests at three distinct times—6 AM, 12 PM, and 6 PM—on separate days. Results: the study demonstrated a significant effect of diurnal variations on cognitive and physical performance indices. Discussion: cognitive performance showed varied patterns across time points. Perceptual reasoning, measured by the Müller-Lyer test, peaked in the morning and was lowest in the evening. Working memory, assessed via the span digit test, showed moderate values at noon and evening. Strength, measured by the vertical jump, was highest in the evening and lowest in the morning. As assessed by the Illinois Agility Test, agility peaked at noon, with the lowest values recorded in the morning. Conclusions: time of day significantly affects both cognitive and physical performance in female athletes. Strength peaks in the evening, agility at noon, and perceptual reasoning in the morning, while working memory shows moderate performance at noon and evening. These results suggest that athletes and coaches can optimize training and competition schedules based on diurnal cognitive and physical performance variations.
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institution Kabale University
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1988-2041
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series Retos: Nuevas Tendencias en Educación Física, Deportes y Recreación
spelling doaj-art-c0c8a0999b9f461eaad7e12acc9b8ed52025-08-20T03:58:11ZengFEADEFRetos: Nuevas Tendencias en Educación Física, Deportes y Recreación1579-17261988-20412025-05-016810.47197/retos.v68.113742Effect of diurnal variations on cognitive and physical performance among female athletesGopal Chandra Saha0https://orcid.org/0000-0001-6813-4484Bekir Erhan Orhan1https://orcid.org/0000-0002-3149-6630Susmita Hazra2Subhashis Biswas3https://orcid.org/0000-0003-2516-1831Prem Kumar Karak4Smriti Mondal5Shantanu Halder6Mahendra Pratap Gaur7VISVA-BHARATI Istanbul Aydın UniversityVisva-BharatiThe ICFAI UniversityVisva-BharatiVisva-BharatiBurdwan UniversityIndira Gandhi National Tribal University Objective: humans' circadian rhythm is an important parameter in understanding current biological, physiological, and psychological status, which broadly affects physical fitness. The physiological mechanisms underlying circadian rhythms remain underexplored despite their potential impact on physical and mental health. The study aims to examine the effect of diurnal variations on cognitive and physical performance in female athletes. Methodology: a counterbalanced within-subjects repeated measures design was employed, involving 15 healthy female university students aged 18 to 25. Each participant underwent cognitive and physical performance tests at three distinct times—6 AM, 12 PM, and 6 PM—on separate days. Results: the study demonstrated a significant effect of diurnal variations on cognitive and physical performance indices. Discussion: cognitive performance showed varied patterns across time points. Perceptual reasoning, measured by the Müller-Lyer test, peaked in the morning and was lowest in the evening. Working memory, assessed via the span digit test, showed moderate values at noon and evening. Strength, measured by the vertical jump, was highest in the evening and lowest in the morning. As assessed by the Illinois Agility Test, agility peaked at noon, with the lowest values recorded in the morning. Conclusions: time of day significantly affects both cognitive and physical performance in female athletes. Strength peaks in the evening, agility at noon, and perceptual reasoning in the morning, while working memory shows moderate performance at noon and evening. These results suggest that athletes and coaches can optimize training and competition schedules based on diurnal cognitive and physical performance variations. http://207.180.252.49/index.php/retos/article/view/113742Diurnal variationsCognitive performancePhysical performanceFemale athletesChronobiology
spellingShingle Gopal Chandra Saha
Bekir Erhan Orhan
Susmita Hazra
Subhashis Biswas
Prem Kumar Karak
Smriti Mondal
Shantanu Halder
Mahendra Pratap Gaur
Effect of diurnal variations on cognitive and physical performance among female athletes
Retos: Nuevas Tendencias en Educación Física, Deportes y Recreación
Diurnal variations
Cognitive performance
Physical performance
Female athletes
Chronobiology
title Effect of diurnal variations on cognitive and physical performance among female athletes
title_full Effect of diurnal variations on cognitive and physical performance among female athletes
title_fullStr Effect of diurnal variations on cognitive and physical performance among female athletes
title_full_unstemmed Effect of diurnal variations on cognitive and physical performance among female athletes
title_short Effect of diurnal variations on cognitive and physical performance among female athletes
title_sort effect of diurnal variations on cognitive and physical performance among female athletes
topic Diurnal variations
Cognitive performance
Physical performance
Female athletes
Chronobiology
url http://207.180.252.49/index.php/retos/article/view/113742
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