790 Freizeitgestaltung, darstellende Künste, Sport
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Vielfalt im Hochschulsport
(2024)
Zum Sommersemester hat das Team vom Zentrum für Hochschulsport (ZfH) der Goethe-Universität wieder ein vielfältiges und buntes Programm auf die Beine gestellt. Dazu gehören natürlich Klassiker wie Fußball oder Volleyball, aber auch Trendsportarten und exotische Disziplinen. Einiges davon ist auch im laufenden Semester noch buchbar! Im Folgenden werden einige Angebote kurz beschrieben.
Kein Sommermärchen
(2024)
Highlights
• Inflammatory markers and cognitive performance correlated significantly in closed-, but mostly not in open-skill sports.
• The ratio TNF-α:IL-10 significantly predicted working memory and cognitive flexibility in closed-skill sports.
• Biomarkers for metabolism (fT3, IGFBP-1, leptin) significantly predicted processing speed and selective attention across all athletes.
• Better cognitive flexibility was associated with higher levels of vitamin D.
• Indicators for recovery and stress (creatinine & psychological ratings) explained variance in processing speed and working memory.
Abstract
Functional cognition is relevant for athletic success and interdependent with physical exercise, yet despite repeatedly demonstrated inflammatory responses to physical training, there are no studies addressing the relationship between cognition and inflammation in athletes. The aim of this study was to investigate the relationship between cognitive performance and selected inflammatory, and further physiological biomarkers in elite athletes. Data from 350 elite athletes regarding cognitive performance (processing speed, selective attention, working memory, cognitive flexibility), systemic inflammatory markers, metabolic hormones, growth factors, tissue damage markers, and micronutrients (e.g., ferritin, 25-OH-vitamin D), as well as physiological, subjective ratings of recovery and stress were analysed by correlative and multiple regression analyses. Results show that across all athletes variance in processing speed, selective attention, and working memory, could be best explained through a combination of metabolic hormones with physiological and psychological indicators of stress, and in cognitive flexibility through vitamin D levels. Only for the subgroup of athletes from closed-skill sports, the ratio TNF-α:IL-10 significantly contributed to explanation of variance in working memory and cognitive flexibility. In general, found correlations point to the importance of inflammatory balance and sufficient long-term nutrient supply for unaffected cognitive performance.
This study investigated the effects of a daily plyometric hopping intervention on running economy (RE) in amateur runners. In a randomized, controlled trial, thirty-four amateur runners (29 ± 7 years, 27 males) were allocated to a control or a hopping exercise group. During the six-week study, the exercise group performed 5 min of double-legged hopping exercise daily. To progressively increase loading, the number of hopping bouts (10 s each) was steadily increased while break duration between sets was decreased. Pre- and post-intervention, RE, peak oxygen uptake (VO2peak), and respiratory exchange ratio (RER) were measured during 4-min stages at three running speeds (10, 12, and 14 km/h). ANCOVAs with baseline values and potential cofounders as cofactors were performed to identify differences between groups. ANCOVA revealed an effect of hopping on RE at 12 km/h (df = 1; F = 4.35; p < 0.05; η2 = 0.072) and 14 km/h (df = 1; F = 6.72; p < 0.05; η2 = 0.098), but not at 10 km/h (p > 0.05). Exercise did not affect VO2peak (p > 0.05), but increased RER at 12 km/h (df = 1; F = 4.26; p < 0.05; η2 = 0.059) and 14 km/h (df = 1; F = 36.73; p < 0.001; η2 = 0.520). No difference in RER was observed at 10 km/h (p > 0.05). Daily hopping exercise is effective in improving RE at high running speeds in amateurs and thus can be considered a feasible complementary training program.
Clinical trial registration German Register of Clinical Trials (DRKS00017373).