This study aimed to conduct an updated exploration of the ratio of male and female participants in sport and exercise science research. Publications involving humans were examined from The European Journal of Sports Science, Medicine & Science in Sport & Exercise, The Journal of Sport Science & Medicine, The Journal of Physiology, The American Journal of Sports Medicine, and The British Journal of Sports Medicine, 2014–2020. The total number of participants, the number of male and female participants, the title, and the topic, were recorded for each publication. Data were expressed in frequencies and percentages. Chi-square analyses were used to assess the differences in frequencies in each of the journals. About 5,261 publications and 12,511,386 participants were included in the analyses. Sixty-three percentage of publications included both males and females, 31% included males only, and 6% included females only (p < .0001). When analyzing participants included in all journals, a total of 8,253,236 (66%) were male and 4,254,445 (34%) were female (p < .0001). Females remain significantly underrepresented within sport and exercise science research. Therefore, at present most conclusions made from sport and exercise science research might only be applicable to one sex. As such, researchers and practitioners should be aware of the ongoing sex data gap within the current literature, and future research should address this.
Aim: We compared the impact of artificially- and sugar-sweetened beverages co-ingested with a mixed meal on postprandial fat and carbohydrate oxidation, blood glucose, and plasma insulin and triglyceride concentrations. Methods: Eight college-aged, healthy males completed three randomly assigned trials, which consisted of a mixed macronutrient meal test with 20oz of Diet-Coke (AS), Coca-Cola (NS), or water (CON). One week separated each trial and each participant served as his own control. Resting energy expenditure (REE) via indirect calorimetry, blood pressure, and blood samples were obtained immediately before, 5, 10, 30, 60, 120, and 180 min after meal and beverage ingestion. A two-way (treatment × time) repeated-measures ANOVA was conducted to assess REE, fat and carbohydrate oxidation rates, blood glucose, and plasma insulin and triglyceride concentrations. Results: There was a significant main effect of treatment on total fat oxidation (P = 0.006), fat oxidation was significantly higher after AS (P = 0.006) and CON (P = 0.001) compared to following NS. There was a significant main effect of treatment on total carbohydrate oxidation (P = 0.005), carbohydrate oxidation was significantly lower after AS (P = 0.014) and CON (P = 0.001) compared to following NS. Plasma insulin concentration AUC was significantly lower after AS (P = 0.019) and trended lower in CON (P = 0.054) compared to following NS. Conclusion: Ingestion of a mixed meal with an artificially-sweetened beverage does not impact postprandial metabolism, whereas a sugar-sweetened beverage suppresses fat oxidation and increases carbohydrate oxidation compared to artificially-sweetened beverage and water.
New Findings What is the central question of this study?What are the metabolic impacts of high intensity functional Tabata exercise? What is the main finding and its importance?Tabata exercise with high intensity functional movements causes increases in fasted and postprandial fat oxidation the day after exercise without altering postprandial triglyceride concentrations. These results support the usage of a Tabata‐style high intensity functional exercise to improve postprandial fat oxidation. Abstract We evaluated the effect of a high fat meal with and without prior high intensity functional exercise executed in a Tabata‐style interval pattern on resting and postprandial substrate oxidation, as well as postprandial blood glucose and triglyceride concentrations. Eleven healthy males completed two trials (Tabata exercise (TE) and non‐exercise control (CON)) in random order separated by 7 days. A two‐day protocol was used in which TE or CON was performed on the first day and a high fat meal was administered ∼13 h later the following morning. Power output from the TE session was quantified using a kinematic approach by calculating external work performed per unit time for each of the four exercises (rowing, dumbbell thrusters, kettlebell swings and burpees). For the meal challenge, respiratory gases and blood samples were taken fasted and at 1, 2 and 3 h postprandial. Fat oxidation was significantly higher after TE compared to CON at all time points (P < 0.05). Carbohydrate oxidation was significantly lower after TE compared to CON at 1 h postprandial (P < 0.05). There were no significant effects of TE on fasting or postprandial glucose or triglyceride concentrations. Functional exercises performed in a high intensity TE pattern enhance fasting and postprandial fat oxidation on the following day with minimal influence on blood triglycerides or glucose levels.
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