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The Journal of Sports Medicine and Physical Fitness 2017 May;57(5):643-51

DOI: 10.23736/S0022-4707.16.06159-4


lingua: Inglese

One night of partial sleep deprivation increased biomarkers of muscle and cardiac injuries during acute intermittent exercise

Mohamed A., MEJRI 1, 2, Narimen YOUSFI 1, Omar HAMMOUDA 3, Amel TAYECH 4, Mohamed C., BEN RAYANA 5, Tarak DRISS 3, Anis CHAOUACHI 1, Nizar SOUISSI 1, 6

1 Research Laboratory “Sport Performance Optimization”, National Center of Medicine and Sciences in Sport (CNMSS), Tunis, Tunisia; 2 Faculty of Science, Carthage University, Bizerte, Tunisia; 3 Research Laboratory CeRSM (EA 2931), Department of Physiology, Biomechanic and Movement Imaging Group, UFR STAPS, Université Paris Nanterre, Nanterre, France; 4 High Institute of Sport and Physical Education, Ksar-Saïd, Manouba University, Manouba, Tunisia; 5 Department of Clinical Biology, Research Laboratory SURVEN (Nutritional Surveillance and Epidemiology in Tunisia), National Institute of Nutrition and Food Technology of Tunisia (INNTA), Tunis, Tunisia; 6 National Observatory of Sports, Tunis, Tunisia


BACKGROUND: The aim of this study was to evaluate the effect of two types of partial sleep deprivation (PSD) on biomarkers of muscle and cardiac injuries in response to acute intermittent exercise in professional athletes.
METHODS: In a counterbalanced order, ten healthy male Taekwondo athletes were asked to perform the Yo-Yo Intermittent Recovery Test (YYIRT) in three conditions, allowing a 36 h recovery period in between: 1) following a full night of habitual sleep known as a reference sleep night (RN); 2) following PSD in the beginning of the night (PSDBN); and 3) following PSD in the end of the night (PSDEN). Heart rate (HR) and arterial oxygen saturation (SaO2) were measured during exercise. Blood samples were taken just before and 3 min after the YYIRT to measure biomarkers related to muscle and cardiac injuries (BRMCI).
RESULTS: No significant effect of PSD was observed for physiological parameters (i.e., HR and SaO2). However, a significant alteration of resting ultra-sensitive C-reactive protein (us-CRP) (P<0.05) and myoglobin (MYO) (P<0.01) levels was detected after PSDEN. Furthermore, all BRMCI were altered by exercise. Likewise, compared to RN, PSD affected creatine phosphokinase (CPK) and MYO levels in response to exercise (P<0.05).
CONCLUSIONS: The present study indicates that PSDEN increase the resting us-CRP and MYO levels, and that the two types of PSD increase the CPK and MYO levels in response to acute intermittent exercise, among Taekwondo athletes, in the evening of the following day. However, no rise of the physiological responses has been observed after the two types of PSD, at rest and in response to the exercise.

KEY WORDS: Sleep deprivation - Cardiovascular system - Risk - Myoglobin - Martial arts

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