تصفح Sport Sciences حسب المؤلف "Chamari, K."
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50 -m Freestyle Sprint Performance in Adolescent Swimmers
Abbes Z.; Chamari K.; Mujika I.; Tabben M.; Bibi K.W.; Hussein A.M.; Martin C.; Haddad M.... more authors ... less authors ( Frontiers Media S.A. , 2018 , Article)Objectives: The purpose of the study was to investigate performance, biomechanical, physiological, and psychophysiological effects of a simple and easily organized post-activation potentiation (PAP) re-warm-up performed ... -
Convergent and construct validity and test–retest reliability of the Caen Chronotype Questionnaire in six languages
Laborde S.; Dosseville F.; Aloui A.; BEN SAAD H.; Bertollo M.; Bortoli L.; Braun B.; Chamari K.; Chtourou H.; De Kort Y.; Farooq A.; Gordijn M.C.; Greco P.; Guillen F.L.; Haddad M.; Hosang T.; Khalladi K.; Lericollais R.; Lopes M.; Robazza C.; Smolders K.; Wurm A.; Allen M.S.... more authors ... less authors ( Taylor and Francis Ltd , 2018 , Article)Chronotype questionnaires provide a simple and time-effective approach to assessing individual differences in circadian variations. Chronotype questionnaires traditionally focused on one dimension of chronotype, namely its ... -
Corrigendum to Monitoring training load and fatigue in soccer players with physiological markers
Djaoui L.; Haddad M.; Chamari K.; Dellal A. ( Elsevier Inc. , 2018 , Article)In the introduction of the paper [1], it is stated that: “Subjective measures such as the rating of perceived exertion (RPE) [6], for which players are asked to grade their own perceived load, could be used to quantify ... -
Greater effects of high- compared with moderate-intensity interval training on cardio-metabolic variables, blood leptin concentration and ratings of perceived exertion in obese adolescent females
Racil, G.; Coquart, J.B.; Elmontassar, W.; Haddad, M.; Goebel, R.; Chaouachi, A.; Amri, M.; Chamari, K.... more authors ... less authors ( Institute of Sport National Research , 2016 , Article)This study examined the effects of high- vs. moderate-intensity interval training on cardiovascular fitness, leptin levels and ratings of perceived exertion (RPE) in obese female adolescents. Forty-seven participants were ... -
High frequency performance analysis of professional soccer goalkeepers: A pilot study
Padulo, J.; Haddad, M.; Ardigò, L. P.; Chamari, K.; Pizzolato, F. ( Edizioni Minerva Medica , 2015 , Article)Aim: High-speed video analysis was performed during ten official-matches, to assess the performance of ten goalkeepers (GK) from Italian third/fourth divisions (C-D). Methods: The variables studied were: number (N.) of ... -
Implication of dynamic balance in change of direction performance in young elite soccer players is angle dependent
Rouissi M.; Haddad M.; Bragazzi N.L.; Owen A.L.; Moalla W.; Chtara M.; Chamari K.... more authors ... less authors ( Edizioni Minerva Medica , 2018 , Article)BACKGROUND: Team sports require rapid whole-body change of direction (COD) in order to regain, maintain possession of the ball or to avoid opponent. These actions are often performed through unilateral process, with the ... -
Rapid weight loss in the context of Ramadan observance: Recommendations for judokas
Aloui, A.; Chtourou, H.; Briki, W.; Tabben, M.; Chaouachi, A.; Souissi, N.; Shephard, R.J.; Chamari, K.... more authors ... less authors ( Institute of Sport , 2016 , Article Review)Judo is a weight-classified combat sport, and many athletes seek to compete at the lightest possible weight category to gain an advantage from competing against shorter/smaller, and supposedly weaker opponents. To achieve ... -
Reliability and criterion-related validity of a new repeated agility test
Fessi, M.S.; Makni, E.; Jemni, M.; Elloumi, M.; Chamari, K.; Nabli, M.A.; Padulo, J.; Moalla, W.... more authors ... less authors ( Institute of Sport National Research Institute , 2016 , Article)The study aimed to assess the reliability and the criterion-related validity of a new repeated sprint T-test (RSTT) that includes intense multidirectional intermittent efforts. The RSTT consisted of 7 maximal repeated ... -
Seasonal weather conditions affect training program efficiency and physical performance among special forces trainees: A long-term follow-up study
Dhahbi W.; Sellami M.; Chaouachi A.; Padulo J.; Milic M.; Mekki I.; Chamari K.... more authors ... less authors ( Public Library of Science , 2018 , Article)The purpose of the present investigation was to follow-up the effect of specific commandos? training-cycles (SCTCs) on upper-body strength resistance and running endurance performance, as well as determine whether variation ... -
The buffering effect of ramadan fasting on emotions intensity: A pilot study
Briki W.; Aloui A.; Bragazzi N.L.; Chamari K. ( Maison du Medicine , 2019 , Article)The present study attempted to examine how Ramadan fasting could influence positive and negative feelings in healthy Muslims. Ninety-one Muslim fasters (48 women; mean age, 28.6±6.2 years) voluntarily completed an on-line ... -
Validity and reliability of the session-RPE method for quantifying training load in karate athletes
Tabben, M.; Tourny, C.; Haddad, M.; Chaabane, H.; Chamari, K.; Coquart, J. B.... more authors ... less authors ( Edizioni Minerva Medica , 2015 , Article)Aim: Aim of the study was to test the construct validity and reliability of the session rating of perceived exertion (sRPE) method by examining the relationship between RPE and physiological parameters (heart rate: HR and ...