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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Improvements in running economy in advanced footwear technology are greater if you are strong in leg-press - if you are female (Die Verbesserung der Laufökonomie durch fortschrittliche Schuhtechnologie ist größer, wenn man stark im Beinabdruck ist - und wenn man weiblich)
Arndt, T., Seglina, I., Kvarforth, L., Hallström, S., Torniainen, K.Veröffentlicht in Footwear Science (2025)“… ., Citation2018) are still largely unknown. Furthermore, the result improvements in distance running in the years since AFT was introduced have been greater for elite females compared to males (Bermon et al., Citation2021; Mason et al., Citation2024). …”
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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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Running economy with shoes that elicit an involuntary forefoot strike in the habitual rear and non-rear foot strike runners (Laufökonomie mit Schuhen, die bei gewohnheitsmäßigen Rückfuß- und Nicht-Rückfußläufern einen unwillkürlichen Vorfußauftritt hervorrufen)
Yokoyama, S., Arita, K., Oshima, S., Otsuka, J., Okamoto, Y., Kato, H., Tazawa, S., Hirai, S., Kajiwara, Y., Kunimasa, Y., Amano, T.Veröffentlicht in Footwear Science (2024)“… The metabolic benefits of non-rearfoot strike (non-RFS) running remain unknown because no interventions can alter the runner`s foot strike patterns involuntarily. …”
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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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ChatGPT generated training plans for runners are not rated optimal by coaching experts, but increase in quality with additional input information (Die von ChatGPT erstellten Trainingspläne für Läufer werden von Trainerexperten nicht als optimal eingestuft, gewinnen aber mit zusätzlichen Informationen an Qualität)
Düking, P., Sperlich, B., Voigt, L., Van Hooren, B., Zanini, M., Zinner, C.Veröffentlicht in Journal of Sports Science & Medicine (2024)“… However, the quality of ChatGPT generated training plans based on different input information is unknown. The objective of the study was to evaluate ChatGPT-generated six-week training plans for runners based on different input information granularity. …”
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Collagen gene polymorphisms previously associated with resistance to soft-tissue injury are more common in competitive runners than nonathletes (Kollagen-Gen-Polymorphismen, die zuvor mit der Resistenz gegenüber Weichteilverletzungen in Verbindung gebracht wurden, sind bei Leistungssportlern häufiger als bei Nicht-Sportlern)
Dines, H. R., Nixon, J., Lockey, S. J., Herbert, A. J., Kipps, C., Pedlar, C. R., Day, S. H., Heffernan, S. M., Antrobus, M. R., Brazier, J., Erskine, R. M., Stebbings, G. K., Hall, E. C. R., Williams, A. G.Veröffentlicht in The Journal of Strength and Conditioning Research (2023)“… However, their combined contribution to running performance is unknown. We investigated the association of 2 collagen gene SNPs with athlete status and performance in 1,429 Caucasian subjects, including 597 competitive runners (354 men and 243 women) and 832 nonathletes (490 men and 342 women). …”
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Repeatability of vertical ground reaction force estimation during running on the athletics track on 3 different days (Wiederholbarkeit der Schätzung der vertikalen Bodenreaktionskraft beim Laufen auf der Leichtathletikbahn an 3 verschiedenen Tagen)
Scheltinga, B. L., Buurke, J. H., Kok, J. N., Reenalda, J.Veröffentlicht in Journal of Applied Biomechanics (2025)“… GRF can be estimated outdoors, however, the repeatability of this estimation is unknown. Repeatability is a crucial aspect if a measurement is repeated over prolonged periods of time. …”
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Reliability of running gait variability measures calculated from inertial measurement units (Reliabilität der mit Hilfe von Inertialmessgeräten berechneten Gangvariabilität beim Laufen)
Jones, B. D. M., Wheat, J., Middleton, K., Carey, D. L., Heller, B.Veröffentlicht in Journal of Biomechanics (2025)“… However, for running gait variability measures calculated from wearable device data, it is unknown whether a between-day difference reflects a shift in system dynamics reflective of a change in human health or is a result of poor between-day reliability of the measurement device or the biomechanical signal. …”
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Return to shooting sports after shoulder surgery: An expert survey (Rückkehr zum Schießsport nach einer Schulteroperation: Eine Expertenbefragung)
Williams, R. R., Somerson, J. S.Veröffentlicht in Journal of Surgical Orthopaedic Advances (2024)“… Most surgeons would release their patients to return to shooting sports 12 weeks after surgery. It is unknown how shooting affects implant fixation in vivo. …”
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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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Norwegian male U14 soccer players have superior running capacity compared to Icelandic players (Norwegische männliche U14-Fußballspieler haben eine höhere Laufleistung als isländische Spieler)
Benediktsson, S., Johannsson, E., Rygh, C. B., Gundersen, H.Veröffentlicht in Frontiers in Sports and Active Living (2024)“… Whether this affect physical capacity is unknown. Thus, the first aim of the present study is to compare physical capacity between players from Iceland and Norway. …”
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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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Role of midsole hollow structure in energy storage and return in running shoes (Die Rolle der hohlen Zwischensohlenstruktur bei der Energiespeicherung und -rückgabe in Laufschuhen)
Liu, T., Matijevich, E. S., Chu, Z., Yang, F., Nigg, B.Veröffentlicht in Journal of Biomechanics (2024)“… Presently, the potential biomechanical effect of the hollow structures on running performance remains unknown. We investigated the role of hollow structures through quantifying the magnitude and timing of foot and footwear work. …”
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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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Effect of heat acclimatization, heat acclimation, and intermittent heat training on maximal oxygen uptake (Auswirkung von Hitzeakklimatisierung, Hitzeakklimatisation und periodisches Hitzetraining auf die maximale Sauerstoffaufnahme)
Dunn, R. A., Fry, L. A., Sekiguchi, Y., Benjamin, C. L., Manning, C. N., Huggins, R. A., Stearns, R. L., Casa, D. J.Veröffentlicht in Sports Health: A Multidisciplinary Approach (2024)“… Upon heat exposure reduction, intermittent heat training (IHT) may alleviate HA/HAz adaptation decay; however, corresponding VO2max responses are unknown. Hypothesis: VO2max is maintained after HAz/HA; IHT mitigates decrements in aerobic power after HAz/HA. …”
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Effects of running skill and speed on limb coordination during submaximal and maximal sprinting (Auswirkungen von Lauftechnik und Geschwindigkeit auf die Koordination der Gliedmaßen bei submaximalen und maximalen Sprints)
Whitacre, T. D., Stearne, D. J., Clark, K. P.Veröffentlicht in Journal of Biomechanics (2024)“… In locomotion, the relative phasing of the limbs changes with speed and provides valuable insight to neuromuscular control of gait. At present, it is unknown if individuals trained in sprinting coordinate their limbs differently than runners from other athletic backgrounds. …”