تصفح Physical Education حسب المؤلف "Dergaa, Ismail"

السجلات المعروضة 1 -- 4 من 4

    • The effect of caffeine, nap opportunity and their combination on biomarkers of muscle damage and antioxidant defence during repeated sprint exercise 

      Romdhani, Mohamed; Souissi, Nizar; Dergaa, Ismail; Moussa-Chamari, Imen; Chaabouni, Yassine; ... more authors ( Institute of Sport , 2021 , Article)
      To investigate the effect of 20 min nap opportunity (N20), 5 mg·kg-1 of caffeine (CAF) and their combination (CAF+N20) on the biochemical response (energetic biomarkers, biomarkers of muscle damage and enzymatic antioxidants) ...

    • The effect of post-lunch napping on mood, reaction time, and antioxidant defense during repeated sprint exercice 

      Romdhani, Mohamed; Dergaa, Ismail; Moussa-Chamari, Imen; Souissi, Nizar; Chaabouni, Yassine; ... more authors ( Institute of Sport , 2021 , Article)
      To compare the effects of two nap opportunities (20 and 90 min) to countermeasure the transient naturally occurring increased sleepiness and decreased performances during the post-lunch dip (PLD). Fourteen highly trained ...

    • Lockdown Duration and Training Intensity Affect Sleep Behavior in an International Sample of 1,454 Elite Athletes 

      Romdhani, Mohamed; Fullagar, Hugh H.K.; Vitale, Jacopo A.; Nédélec, Mathieu; Rae, Dale E.; ... more authors ( Frontiers Media S.A. , 2022 , Article)
      Objective: To investigate the effect of 1) lockdown duration and 2) training intensity on sleep quality and insomnia symptoms in elite athletes. Methods: 1,454 elite athletes (24.1 ± 6.7 years; 42% female; 41% individual ...

    • Ramadan Observance Exacerbated the Negative Effects of COVID-19 Lockdown on Sleep and Training Behaviors: A International Survey on 1,681 Muslim Athletes 

      Romdhani, Mohamed; Ammar, Achraf; Trabelsi, Khaled; Chtourou, Hamdi; Vitale, Jacopo A.; ... more authors ( Frontiers Media S.A. , 2022 , Article)
      Objective: Disrupted sleep and training behaviors in athletes have been reported during the COVID-19 pandemic. We aimed at investigating the combined effects of Ramadan observance and COVID-19 related lockdown in Muslim ...