The Effect of Time-of-Day and Ramadan Fasting on Anaerobic Performances
Abstract This study was designed to assess the effects of Ramadan-intermittent-fasting (RIF) and time-of-day on muscle power and fatigue during the Wingate test. In a randomized design, 10 football players completed a Wingate test at 07:00 and 17:00 h on 3 different occasions: one week before Ramada...
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| Veröffentlicht in: | International journal of sports medicine 2012-02, Vol.33 (2), p.142-147 |
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| container_title | International journal of sports medicine |
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| creator | Chtourou, H. Hammouda, O. Chaouachi, A. Chamari, K. Souissi, N. |
| description | Abstract
This study was designed to assess the effects of Ramadan-intermittent-fasting (RIF) and time-of-day on muscle power and fatigue during the Wingate test. In a randomized design, 10 football players completed a Wingate test at 07:00 and 17:00 h on 3 different occasions: one week before Ramadan (BR), the second week of Ramadan (SWR) and the fourth week of Ramadan (ER). There was an interval of 36-h between any 2 successive tests. During the Wingate test, peak power (PP), mean power (MP) and the fatigue index (FI) were recorded. While PP, MP and FI were greater in the evening than in the morning during BR (p |
| doi_str_mv | 10.1055/s-0031-1286251 |
| format | Article |
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This study was designed to assess the effects of Ramadan-intermittent-fasting (RIF) and time-of-day on muscle power and fatigue during the Wingate test. In a randomized design, 10 football players completed a Wingate test at 07:00 and 17:00 h on 3 different occasions: one week before Ramadan (BR), the second week of Ramadan (SWR) and the fourth week of Ramadan (ER). There was an interval of 36-h between any 2 successive tests. During the Wingate test, peak power (PP), mean power (MP) and the fatigue index (FI) were recorded. While PP, MP and FI were greater in the evening than in the morning during BR (p<0.001), these diurnal variations in muscle power disappeared during the month of Ramadan (i. e., SWR and ER) due to a significant decrease in PP and MP in the evening (p<0.001). However, the diurnal variation in FI when measured at 17:00 h increased during this month (p<0.001). In addition, ratings of perceived exertion and fatigue were higher in the evening during Ramadan in comparison with BR. These results suggest that Ramadan might modify the circadian rhythm of muscle power and fatigue during the Wingate test by decreasing power output and increasing muscle fatigue at the time of the acrophase.</description><identifier>ISSN: 0172-4622</identifier><identifier>EISSN: 1439-3964</identifier><identifier>DOI: 10.1055/s-0031-1286251</identifier><identifier>PMID: 22318530</identifier><identifier>CODEN: IJSMDA</identifier><language>eng</language><publisher>Stuttgart · New York: Georg Thieme Verlag KG</publisher><subject>Adolescent ; Athletes ; Athletic Performance - physiology ; Biological and medical sciences ; Circadian Rhythm - physiology ; Circadian rhythms ; Exercise - physiology ; Exercise Test ; Fasting ; Fatigue ; Fundamental and applied biological sciences. Psychology ; Humans ; Islam ; Measurement ; Muscle Fatigue - physiology ; Muscle Strength - physiology ; Muscles ; Muscles (fatigue) ; Perceived exertion ; Power ; Soccer ; Sports medicine ; Time Factors ; Training & Testing ; Tunisia ; Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports</subject><ispartof>International journal of sports medicine, 2012-02, Vol.33 (2), p.142-147</ispartof><rights>2015 INIST-CNRS</rights><rights>Georg Thieme Verlag KG Stuttgart · New York.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c395t-fb2a656dedcc35eb5642109db6e3508210571859453748ebcbb8aabea34c36823</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.thieme-connect.de/products/ejournals/pdf/10.1055/s-0031-1286251.pdf$$EPDF$$P50$$Gthieme$$H</linktopdf><linktohtml>$$Uhttps://www.thieme-connect.de/products/ejournals/html/10.1055/s-0031-1286251$$EHTML$$P50$$Gthieme$$H</linktohtml><link.rule.ids>314,776,780,3004,3005,27901,27902,54534,54535</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25433327$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22318530$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Chtourou, H.</creatorcontrib><creatorcontrib>Hammouda, O.</creatorcontrib><creatorcontrib>Chaouachi, A.</creatorcontrib><creatorcontrib>Chamari, K.</creatorcontrib><creatorcontrib>Souissi, N.</creatorcontrib><title>The Effect of Time-of-Day and Ramadan Fasting on Anaerobic Performances</title><title>International journal of sports medicine</title><addtitle>Int J Sports Med</addtitle><description>Abstract
This study was designed to assess the effects of Ramadan-intermittent-fasting (RIF) and time-of-day on muscle power and fatigue during the Wingate test. In a randomized design, 10 football players completed a Wingate test at 07:00 and 17:00 h on 3 different occasions: one week before Ramadan (BR), the second week of Ramadan (SWR) and the fourth week of Ramadan (ER). There was an interval of 36-h between any 2 successive tests. During the Wingate test, peak power (PP), mean power (MP) and the fatigue index (FI) were recorded. While PP, MP and FI were greater in the evening than in the morning during BR (p<0.001), these diurnal variations in muscle power disappeared during the month of Ramadan (i. e., SWR and ER) due to a significant decrease in PP and MP in the evening (p<0.001). However, the diurnal variation in FI when measured at 17:00 h increased during this month (p<0.001). In addition, ratings of perceived exertion and fatigue were higher in the evening during Ramadan in comparison with BR. These results suggest that Ramadan might modify the circadian rhythm of muscle power and fatigue during the Wingate test by decreasing power output and increasing muscle fatigue at the time of the acrophase.</description><subject>Adolescent</subject><subject>Athletes</subject><subject>Athletic Performance - physiology</subject><subject>Biological and medical sciences</subject><subject>Circadian Rhythm - physiology</subject><subject>Circadian rhythms</subject><subject>Exercise - physiology</subject><subject>Exercise Test</subject><subject>Fasting</subject><subject>Fatigue</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Islam</subject><subject>Measurement</subject><subject>Muscle Fatigue - physiology</subject><subject>Muscle Strength - physiology</subject><subject>Muscles</subject><subject>Muscles (fatigue)</subject><subject>Perceived exertion</subject><subject>Power</subject><subject>Soccer</subject><subject>Sports medicine</subject><subject>Time Factors</subject><subject>Training & Testing</subject><subject>Tunisia</subject><subject>Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports</subject><issn>0172-4622</issn><issn>1439-3964</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp90M9PHCEUwHHS1NSt9dpjw6VpLyiPB7PD0Vh_NDHRNOuZAPOoY3YGC7MH__vOZrf2pCc4fN6DfBn7DPIEpDGnVUiJIEC1jTLwji1AoxVoG_2eLSQsldCNUofsY62PUoK2gB_YoVIIrUG5YFerB-IXKVGceE581Q8kchI__DP3Y8d_-cF3fuSXvk79-JvnkZ-NnkoOfeR3VFIugx8j1U_sIPl1peP9ecTuLy9W59fi5vbq5_nZjYhozSRSUL4xTUddjGgomEYrkLYLDaGR7Xw3y_lnVhtc6pZCDKH1PpBHHbFpFR6xb7u9TyX_2VCd3NDXSOu1HylvqrMKQCsFdpbf35SgsAVQ2m6XnuxoLLnWQsk9lX7w5dmBdNvMrrptZrfPPA982e_ehIG6F_6v6wy-7oGv0a9TmSP19b8zGhHVcnZi56aHngZyj3lTxrnfaw__BZJCkAA</recordid><startdate>20120201</startdate><enddate>20120201</enddate><creator>Chtourou, H.</creator><creator>Hammouda, O.</creator><creator>Chaouachi, A.</creator><creator>Chamari, K.</creator><creator>Souissi, N.</creator><general>Georg Thieme Verlag KG</general><general>Thieme</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TS</scope><scope>7X8</scope></search><sort><creationdate>20120201</creationdate><title>The Effect of Time-of-Day and Ramadan Fasting on Anaerobic Performances</title><author>Chtourou, H. ; Hammouda, O. ; Chaouachi, A. ; Chamari, K. ; Souissi, N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c395t-fb2a656dedcc35eb5642109db6e3508210571859453748ebcbb8aabea34c36823</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Adolescent</topic><topic>Athletes</topic><topic>Athletic Performance - physiology</topic><topic>Biological and medical sciences</topic><topic>Circadian Rhythm - physiology</topic><topic>Circadian rhythms</topic><topic>Exercise - physiology</topic><topic>Exercise Test</topic><topic>Fasting</topic><topic>Fatigue</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Humans</topic><topic>Islam</topic><topic>Measurement</topic><topic>Muscle Fatigue - physiology</topic><topic>Muscle Strength - physiology</topic><topic>Muscles</topic><topic>Muscles (fatigue)</topic><topic>Perceived exertion</topic><topic>Power</topic><topic>Soccer</topic><topic>Sports medicine</topic><topic>Time Factors</topic><topic>Training & Testing</topic><topic>Tunisia</topic><topic>Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chtourou, H.</creatorcontrib><creatorcontrib>Hammouda, O.</creatorcontrib><creatorcontrib>Chaouachi, A.</creatorcontrib><creatorcontrib>Chamari, K.</creatorcontrib><creatorcontrib>Souissi, N.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Physical Education Index</collection><collection>MEDLINE - Academic</collection><jtitle>International journal of sports medicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chtourou, H.</au><au>Hammouda, O.</au><au>Chaouachi, A.</au><au>Chamari, K.</au><au>Souissi, N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Effect of Time-of-Day and Ramadan Fasting on Anaerobic Performances</atitle><jtitle>International journal of sports medicine</jtitle><addtitle>Int J Sports Med</addtitle><date>2012-02-01</date><risdate>2012</risdate><volume>33</volume><issue>2</issue><spage>142</spage><epage>147</epage><pages>142-147</pages><issn>0172-4622</issn><eissn>1439-3964</eissn><coden>IJSMDA</coden><abstract>Abstract
This study was designed to assess the effects of Ramadan-intermittent-fasting (RIF) and time-of-day on muscle power and fatigue during the Wingate test. In a randomized design, 10 football players completed a Wingate test at 07:00 and 17:00 h on 3 different occasions: one week before Ramadan (BR), the second week of Ramadan (SWR) and the fourth week of Ramadan (ER). There was an interval of 36-h between any 2 successive tests. During the Wingate test, peak power (PP), mean power (MP) and the fatigue index (FI) were recorded. While PP, MP and FI were greater in the evening than in the morning during BR (p<0.001), these diurnal variations in muscle power disappeared during the month of Ramadan (i. e., SWR and ER) due to a significant decrease in PP and MP in the evening (p<0.001). However, the diurnal variation in FI when measured at 17:00 h increased during this month (p<0.001). In addition, ratings of perceived exertion and fatigue were higher in the evening during Ramadan in comparison with BR. These results suggest that Ramadan might modify the circadian rhythm of muscle power and fatigue during the Wingate test by decreasing power output and increasing muscle fatigue at the time of the acrophase.</abstract><cop>Stuttgart · New York</cop><pub>Georg Thieme Verlag KG</pub><pmid>22318530</pmid><doi>10.1055/s-0031-1286251</doi><tpages>6</tpages></addata></record> |
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| subjects | Adolescent Athletes Athletic Performance - physiology Biological and medical sciences Circadian Rhythm - physiology Circadian rhythms Exercise - physiology Exercise Test Fasting Fatigue Fundamental and applied biological sciences. Psychology Humans Islam Measurement Muscle Fatigue - physiology Muscle Strength - physiology Muscles Muscles (fatigue) Perceived exertion Power Soccer Sports medicine Time Factors Training & Testing Tunisia Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports |
| title | The Effect of Time-of-Day and Ramadan Fasting on Anaerobic Performances |
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