تصفح Sport Sciences حسب المؤلف "Chamari, Karim"
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Cardiac Parasympathetic Reactivation in Elite Soccer Players During Different Types of Traditional High-Intensity Training Exercise Modes and Specific Tests: Interests and Limits
Dellal, Alexandre; Casamichana, David; Castellano, Julen; Haddad, Monoem; Moalla, Wassim; Chamari, Karim... more authors ... less authors ( Tehran University of Medical Sciences , 2015 , Article)Background: The cardiac parasympathetic reactivation is currently used in soccer with a daily or weekly monitoring. However, previous studies have not investigated how this cardiac parasympathetic reactivation is in elite ... -
The construct validity of session RPE during an intensive camp in young male Karate athletes
Padulo, Johnny; Chaabene, Helmi; Tabben, Montassar; Haddad, Monoem; Gevat, Cecilia; Vando, Stefano; Maurino, Lucio; Chaouachi, Anis; Chamari, Karim... more authors ... less authors ( CIC Edizioni Internazionali S.r.l. , 2014 , Article)Background: the aim of this study was to assess the validity of the session rating of perceived exertion (RPE) method and two objective HR-based methods for quantifying karate’s training load (TL) in young Karatekas. ... -
Dynamic stretching alone can impair slower velocity isokinetic performance of young male handball players for at least 24 hours
Haddad, Monoem; Prince, Mohammad Shoaib; Zarrouk, Nidhal; Tabben, Montassar; Behm, David G.; Chamari, Karim... more authors ... less authors ( Public Library of Science , 2019 , Article)There are many adult studies reporting static stretch (SS)-induced deficits and dynamic stretch (DS) performance improvements shortly after the intervention. However, there is only a single study examining stretch-induced ... -
Effects of Psyching-Up on Sprint Performance
Hammoudi-Nassib, Sarra; Nassib, Sabri; Chtara, Moktar; Briki, Walid; Chaouachi, Anis; Tod, David; Chamari, Karim... more authors ... less authors (2017 , Article)Hammoudi-Nassib, S, Nassib, S, Chtara, M, Briki, W, Chaouachi, A, Tod, D, and Chamari, K. Effects of psyching-up on sprint performance. J Strength Cond Res 31(8): 2066–2074, 2017—The present research aimed at examining ... -
The Importance of Monitoring Sleep within Adolescent Athletes: Athletic, Academic, and Health Considerations
Taylor, Lee; Chrismas, Bryna C.R.; Dascombe, Ben; Chamari, Karim; Fowler, Peter M. ( Frontiers Media , 2016 , Article)Opinion piece. -
Listening to music during warming-up counteracts the negative effects of ramadan observance on short-term maximal performance
Aloui, Asma; Briki, Walid; Baklouti, Hana; Chtourou, Hamdi; Driss, Tarak; Chaouachi, Anis; Chamari, Karim; Souissi, Nizar... more authors ... less authors ( Public Library of Science , 2015 , Article)Aim: The aim of the present study was to examine whether listening to music during warming-up might influence short-term maximal performance (STMP), cognitive anxiety, self-confidence, and enjoyment during Ramadan, and ... -
Monitoring training load and fatigue in soccer players with physiological markers
Djaoui, Léo; Haddad, Monoem; Chamari, Karim; Dellal, Alexandre ( Elsevier Inc. , 2017 , Article Review)The quantification and monitoring of training load (TL) has been the topic of many scientific works in the last fifteen years. TL monitoring helps coaches to individually prescribe, follow-up, analyse, adjust and programme ... -
Repeated sprint ability in young basketball players: one vs. two changes of direction (Part 1)
Padulo, Johnny; Laffaye, Guillaume; Haddad, Monoem; Chaouachi, Anis; Attene, Giussepe; Migliaccio, Gian Mario; Chamari, Karim; Pizzolato, Fabio... more authors ... less authors ( Taylor & Francis , 2015 , Article)The present study aimed to compare the changes of direction on repeated sprint ability (RSA) vs. intensive repeated sprint ability (IRSA) protocols in basketball. Eighteen young male basketball players performed on RSA ... -
Repeated Sprints in Fasted State Impair Reaction Time Performance
Cherif, Anissa; Meeusen, Romain; Farooq, Abdulaziz; Briki, Walid; Fenneni, Mohamed Amine; Chamari, Karim; Roelands, Bart... more authors ... less authors ( Routledge , 2017 , Article)Objective: The aim of this study was to assess the effects of 3-day Islamic intermittent fasting (3d-IF) on cognitive performance and serum levels of neurotrophic factors (brain-derived neurotrophic factor [BDNF] and ... -
Session-RPE method for training load monitoring: Validity, ecological usefulness, and influencing factors
Haddad, Monoem; Stylianides, Georgios; Djaoui, Leo; Dellal, Alexandre; Chamari, Karim ( Frontiers Media S.A. , 2017 , Other)Purpose: The aim of this review is to (1) retrieve all data validating the Session-rating of perceived exertion (RPE)-method using various criteria, (2) highlight the rationale of this method and its ecological usefulness, ... -
Sleep Medication and Athletic Performance—The Evidence for Practitioners and Future Research Directions
Taylor, Lee; Chrismas, Bryna C.R.; Dascombe, Ben; Chamari, Karim; Fowler, Peter M. ( Frontiers Media , 2016 , Article)Opinion piece. -
Soccer training: High-intensity interval training is mood disturbing while small sided games ensure mood balance
Selmi, O.; Selmi, Okba; Haddad, Monoem; Majed, Lina; Ben Khalifa, Wissam; Hamza, Marzougui; Chamari, Karim... more authors ... less authors ( Edizioni Minerva Medica , 2018 , Article)© 2017 EDIZIONI MINERVA MEDICA. BACKGROUND: The aim of the study was to compare the effects of high-intensity intermittent training (HIIT) versus small-sided games (SSG) in soccer on both the physiological responses and ... -
Technical and tactical discriminatory factors between winners and defeated elite karate athletes
Tabben, Montassar; Conte, Daniele; Haddad, Monoem; Chamari, Karim ( Human Kinetics Publishers Inc. , 2019 , Article)Purpose: To assess the technical and tactical demands of elite karate athletes in relation to 3 match sequences (ie, advantage, disadvantage, and drawing) and match outcome (ie, win/defeat). Methods: One hundred twenty ... -
The relative contributions of ACE genotypes on personality traits in Tunisian athletes
Znazen, Hela; Mejri, Aouatef; Chtara, Mokhtar; Briki, Walid; Hammoudi Nassib, Sarra; Butovskaya, Marina; Lazebny, Oleg E.; Siala, Hajer; Messaoud, Taieb; Chamari, Karim; Souissi, Nizar... more authors ... less authors ( Edizioni Minerva Medica , 2016 , Article Review)BACKGROUND: The present study attempted to test whether the ACE genotypes can be associated with particular personality traits that can be potentially used as predictors of athletic performance. Eighty seven track and field ...