Suchergebnisse - Unknown
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Correlation between pre-exercise hydration status and heart rate of female Division II collegiate distance runners during a training session (Zusammenhang zwischen dem Flüssigkeitshaushalt vor dem Training und der Herzfrequenz von Langstreckenläuferinnen der Division II während einer Trainingseinheit)
Ferreras, D. E., Martinez, A. I., Billings, C. M., Pazdur, H. C., Barandino, A. H. A., Hernandez, R., Rodriguez, T., Hill, C. R., Karlinsky, A., Ng, J.Veröffentlicht in International Journal of Exercise Science Conference Proceedings (2025)“… While athletes` pre-exercise hydration status is known to have an important impact on a variety of performance metrics, it is unknown whether their pre-exercise hydration is associated with heart rate responses during a subsequent exercise bout. …”
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Reliability of the durability concept in professional cyclists: a field-based study (Reliabilität des Konzepts der Durability bei professionellen Radfahrern: eine Feldstudie)
Mateo-March, M., Barranco-Gil, D., Hernández-Belmonte, A., Javaloyes, A., Muriel, X., Pallarés, J. G., Lucia, A., Valenzuela, P. L.Veröffentlicht in International Journal of Sports Medicine (2025)“… However, its reliability remains unknown. In this study, we assessed the repeatability of durability (determined as the decline in power output after accumulated work). …”
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Strength training improves running economy durability and fatigued high-intensity performance in well-trained male runners: A randomized control trial (Krafttraining verbessert die Ausdauer der Laufökonomie und die ermüdungsbedingte Leistung bei hoher Intensität bei gut trainierten männlichen Läufern: Ein randomisierter Kontrollversuch)
Zanini, M., Folland, J. P., Wu, H., Blagrove, R. C.Veröffentlicht in Medicine & Science in Sports & Exercise (2025)“… Introduction Strength training improves running economy (RE) in a nonfatigued state and performance after prolonged exercise at moderate intensity. However, it is unknown if strength training improves RE durability at marathon race intensity, or high-intensity performance akin to the final stages of a competitive race. …”
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Investigation of the fatigue and recovery process of swimmers using perceptive, myotonometric, ergometric and biomechanical parameters (Untersuchung der Ermüdung und des Wiederherstellungsprozesses von Schwimmern anhand von perzeptiven, myotonometrischen, ergometrischen und biomechanischen Parametern)
Alves de Carvalho, F.Veröffentlicht 2025“… However, interpretation of this concept is limited because the ideal model is still unknown. Therefore, the investigation of recovery, which is a complex phenomenon, could benefit from assessing a variable that is representative of the whole process and should consider sport specificity. …”
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Effect of footwear longitudinal bending stiffness on energy cost, biomechanics, and fatigue during a treadmill half-marathon (Auswirkung der Längsbiegesteifigkeit von Schuhen auf Energieverbrauch, Biomechanik und Ermüdung während eines Halbmarathons auf dem Laufband)
Perrin, T. P., Gerey, R., Morio, C. Y. M., Feasson, L., Kerhervé, H. A., Rossi, J., Millet, G. Y.Veröffentlicht in Medicine & Science in Sports & Exercise (2025)“… Introduction Carbon plates have been used to increase running shoes` longitudinal bending stiffness (LBS), but their effect during a long duration run remains unknown. Our study aimed to identify the effect of LBS on energy cost of running (Cr), biomechanics, and fatigue during a half-marathon. …”
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Olympic team rowers and team swimmers show altered functional brain activation during working memory and action inhibition (Olympische Mannschaftsruderer und Mannschaftsschwimmer zeigen eine veränderte funktionelle Gehirnaktivierung während des Arbeitsgedächtnisses und der Handlungshemmung)
Yao, Z.-F., Sligte, I. G., Ridderinkhof, R.Veröffentlicht in Neuropsychologia (2024)“… ., rowers and synchronized swimmers) also show superior EFs performance and differential EF-related functional brain activation remains unknown. Methods We recruited 14 elite closed-skill athletes, all national champions, and internationally competitive in various rowing disciplines, as well as 14 controls matched on gender, age, and education, and had them perform working memory and action inhibition (stop-signal) tasks during fMRI scanning. …”
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A broken link: Knowledge of carbohydrate requirements do not predict carbohydrate intake around competition in endurance athletes (Eine gebrochene Verbindung: Kenntnisse über den Kohlenhydratbedarf sagen die Kohlenhydratzufuhr bei Ausdauersportlern im Wettkampf nicht voraus)
Sampson, G., Morton, J. P., Areta, J. L.Veröffentlicht in European Journal of Sport Science (2024)“… However, the relationship between knowledge and practice in this population is unknown. To investigate this, we assessed the dietary intake in 50 athletes (37 females) who completed endurance events =2.5 h in duration and compared CHO intake against the carbohydrates for endurance athletes in competition questionnaire validated nutrition knowledge questionnaire, with specific questions related to CHO loading, pre-competition meal and during-competition intake. …”
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"Falling behind," "letting go," and being "outsprinted" as distinct features of pacing in distance running ("Zurückfallen", "Loslassen" und "Übersprungen werden" als unterschiedliche Merkmale der Tempogestaltung beim Langstreckenlauf )
Foster, C., Barroso, R., Bok, D., Boullosa, D., Casado Alda, A., Cortis, C., Fusco, A., Hanley, B., Skiba, P., de Koning, J. J.Veröffentlicht in International Journal of Sports Physiology and Performance (2024)“… Pacing behavior has been well studied over the last 30 years, but much remains unknown. It might be related to finishing position, finishing time, and dependent on critical speed (CS), a surrogate of physiologic capacity. …”
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Durability of running economy: differences between quantification methods and performance status in male runners (Dauerhaftigkeit der Laufökonomie: Unterschiede zwischen Quantifizierungsmethoden und Leistungsstatus bei männlichen Läufern)
Zanini, M., Folland, J. P., Blagrove, R. C.Veröffentlicht in Medicine & Science in Sports & Exercise (2024)“… Introduction Running economy (RE) deteriorates during prolonged running, although the effect of measuring energy cost (EC) or oxygen cost (OC) on the magnitude of these changes has not been investigated. Similarly, it is unknown if runners` performance level may influence the deterioration of RE during prolonged running. …”
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A very low carbohydrate diet for minimising blood glucose excursions during ultra-endurance open-water swimming in type 1 diabetes: a case report (Eine sehr kohlenhydratarme Diät zur Minimierung von Blutzuckerausschlägen beim Ultra-Ausdauerschwimmen im Freiwasser bei Typ-1-Diabetes: ein Fallbericht)
Smee, S. N., Johnson, R., Rush, A., Davey, R. J.Veröffentlicht in Applied Physiology, Nutrition, and Metabolism (2024)“… However, the impact of this strategy on blood glucose responses to exercise is unknown. This study describes the nutritional strategies of an athlete with T1D, who follows a very low carbohydrate diet to manage her condition during an ultra-endurance open-water swimming event. …”
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The Tour de France, also possible for mortals? A comparison of a recreational and a World Tour cyclist (Die Tour de France, auch für Normalsterbliche möglich? Ein Vergleich zwischen einem Freizeitradler und einem World Tour-Fahrer)
Barranco-Gil, D., Muriel, X., Lucia, A., Joyner, M. J., DeSouza, C. A., Valenzuela, P. L.Veröffentlicht in Journal of Applied Physiology (2024)“… Cycling Grand Tours are arguably the epitome of strenuous endurance exercise, and they have been reported to represent the ceiling of sustained energy expenditure for humans. It remains unknown, however, if an average recreational athlete could endure such an event. …”
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Real-world cycling cadences: effect on energy cost, joint mechanics, and fatigue (Kadenzen beim Radfahren in der realen Welt: Auswirkungen auf Energiekosten, Gelenkmechanik und Ermüdung)
du Plessis, C., Andrews, M., King, T., Giorgi, H. P., Cochrane Wilkie, J., Blazevich, A. J.Veröffentlicht in 28th Annual Congress of the European College of Sport Science, 4-7 July 2023, Paris, France (2023)“… Over a large range (40-180 rpm), higher cadences are associated with a higher energy cost and fatigue, yet the effect of small changes in cadence in experienced cyclists during an IP is unknown. Our purpose was to test whether small changes in cadence (as a proxy for gearing) meaningfully impact a cyclist`s oxygen uptake kinetics, joint-specific torque- and- power distributions, and performance fatigability. …”
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Muscle typology underpins sprint cycling characteristics in elite track cyclists (Muskeltypologie als Grundlage für die Sprinteigenschaften von Bahnradfahrern der Eliteklasse)
Bellinger, P., Minahan, C., Derave, W., Lievens, E., Kennedy, B., Crampton, M., Wackwitz, T.Veröffentlicht in 28th Annual Congress of the European College of Sport Science, 4-7 July 2023, Paris, France (2023)“… ., a greater proportion of type II fibres)1,2. Nonetheless, it is unknown whether muscle typology underpins the key characteristics (i.e., Pmax and fatigue rate) of track sprint cycling. …”
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Ice massage on the calf improves 4-km running time trial performance in a normothermic environment (Eismassage an der Wade verbessert die 4-km die Lauftestleistung in normaler Umgebungstemperatur)
Franco-Alvarenga, P. E., dos Santos Cechetti, M., Barcelos, D., Canestri, R., Brietzke, C., Vinicius, I., Goethel, M. F., Ferreira, G. A., Pires, F. O.Veröffentlicht in Research Quarterly for Exercise and Sport (2023)“… Purpose: Local cooling with ice massage is a practical and inexpensive technique to decrease perceptual stress and improve motor performance in hot environments. However, it is unknown whether local cooling with ice massage reduces perceptual responses to exercise and improves performance in a normothermic environment. …”
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Are there differences in anaerobic relative muscle power between upper and lower limbs in adolescent swimmers: A blinded study (Gibt es Unterschiede in der anaeroben relativen Muskelleistung zwischen oberen und unteren Gliedmaßen bei jugendlichen Schwimmern? Eine verblindete Studie)
de Almeida-Neto, P. F., Baxter-Jones, A., de Medeiros, J. A., Dantas, P. M. S., de Araújo Tinôco Cabral, B. G..Veröffentlicht in Sports Medicine and Health Science (2023)“… In the adolescent athletes much is unknown with regards to the relationships between relative power of upper and lower limbs with speed swimming performance. …”
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Where are the fastest master butterfly swimmers competing in the FINA World Masters Championships from? (Woher kommen die schnellsten Master-Schmetterlingsschwimmer bei den FINA World Masters Championships?)
Weiss, K., Seffrin, A., Andrade, M. S., Ahmad, W., Forte, P., Moreitz, S., Stanula, A., Cuk, I., Nikolaidis, P. T., Knechtle, B.Veröffentlicht in EXCLI Journal (2023)“… While the butterfly stroke has received considerable attention in sports science, the origin of the fastest master butterfly swimmers remains unknown. The present study investigated which geographical locations produce the top-performing master butterfly swimmers within their age groups and gender. …”
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Hematological, skeletal muscle fiber, and exercise performance adaptations to heat training in elite female and male cyclists (Hämatologische, Skelettmuskelfaser- und Leistungsanpassungen an Hitzetraining bei Elite-Radsportlern und -sportlerinnen)
Lundby, C., Hamarsland, H., Hansen, J., Bjørndal, H., Berge, S. N., Hammarstöm, D., Rønnestad, B. R.Veröffentlicht in Journal of Applied Physiology (2023)“… The underlying mechanisms remain partly unresolved, and it is unknown if female and male athletes may experience comparable gains. …”
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Are load-velocity profile parameters important for 200 m front crawl performance? (Sind die Parameter des Last-Geschwindigkeits-Profils wichtig für die Leistung beim 200-m-Kraulen?)
Olstad, B. H., Ophus, E., Buvarp, M. H., Ljødal, I., Gonjo, T.Veröffentlicht in XIVth International Symposium on Biomechanics and Medicine in Swimming Proceedings (2023)“… Whether these relationships also exist for middle-distance swimming is unknown. The purpose of the present study was therefore to investigate whether load-velocity profile outcome parameters would be related to 200 m front crawl performance for national elite junior swimmers. …”
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Sex differences in pacing strategies during open water swimming. (Geschlechtsspezifische Unterschiede in den Tempostrategien beim Freiwasserschwimmen.)
Hara, R., Fujimoto, T., Miki, J., Ueno, K.Veröffentlicht in XIVth International Symposium on Biomechanics and Medicine in Swimming Proceedings (2023)“… Nikolaidis et al. (2018) reported gender differences in race strategy for channel crossing swims, which are longer than regular OWS events, however, much remains unknown about gender differences in race strategy for the 10 km OWS. …”
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Using fatigue thresholds to determine changes in swimmers anaerobic performance after a training macrocycle (Verwendung von Ermüdungsschwellen zur Bestimmung von Veränderungen der anaeroben Leistung von Schwimmern nach einem Makrozyklus)
Soares, S., Sampaio, A., Costa, M. J., Ferreira, F., Vieira, L., Fernandes, A., Fernandes, R. J., Vilas-Boas, J. P.Veröffentlicht in XIVth International Symposium on Biomechanics and Medicine in Swimming Proceedings (2023)“… However, how training changes the performance monitored through anaerobic fatigue thresholds is still unknown. This study aimed to assess changes in anaerobic performance and anaerobic fatigue thresholds, determined through the velocimetry method, imposed by a training macrocycle. …”