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Influence of photobiomodulation on energy contribution in normoxia and hypoxia conditions in amateur runners: a single-blinded and randomized crossover pilot study.
Lasers Med Sci
November 2024
Department of Orthopedics and Anesthesiology, Ribeirão Preto Medical School, University of São Paulo; Ribeirão Preto, Avenida Bandeirantes, Monte Alegre, 3900, Brazil.
Article Synopsis
- This study explored how photobiomodulation therapy (PBMT) affects the time to exhaustion and energy usage in amateur athletes during treadmill running in both low oxygen (hypoxia) and normal oxygen (normoxia) conditions.
- * It involved 11 male participants who underwent tests to measure their maximal oxygen uptake and then participated in treadmill runs under various conditions with and without PBMT.
- * Results showed that time to exhaustion was shorter in hypoxic conditions, but PBMT increased anaerobic energy contribution in hypoxia without improving overall exhaustion times.
Impact of advanced footwear technology for Japanese Ekiden athletes.
J Sports Med Phys Fitness
January 2025
Division of Physical and Health Education, Setsunan University, Osaka, Japan.
Background: Advanced footwear technology (AFT) was developed with the goal of running a marathon in under 2 hours. This pace (2:51 min/km) is similar to the race pace of Ekiden, which are road relays where each athlete covers a distance ranging from 15 kilometers to 22 kilometers. This study aimed to elucidate the impact of AFT on the records of Japanese Ekiden runners.
View Article and Find Full Text PDFLight-independent pathway of STN7 kinase activation under low temperature stress in runner bean (Phaseolus coccineus L.).
BMC Plant Biol
June 2024
Department of Metabolic Regulation, Institute of Biochemistry, Faculty of Biology, University of Warsaw, Miecznikowa 1, Warsaw, 02-096, Poland.
Article Synopsis
- The phosphorylation of the Light-Harvesting Complex of photosystem II (LHCII) by STN7 kinase is crucial for regulating photosynthesis, particularly under changing light conditions, and can also happen in the dark due to chilling.
- Research on runner bean showed that dark-chilling leads to light-independent LHCII phosphorylation, linked to reduced plastoquinone (PQ) pool levels and potential relocation within the thylakoid membrane.
- The study suggests a new pathway where the activation of oxidative pentose phosphate pathway enzymes triggers a series of biochemical events that ultimately lead to LHCII phosphorylation, highlighting the intricate functioning of photosynthetic processes even without light.
Changes in the incidence of stress reactions and fractures among intercollegiate athletes after the COVID-19 pandemic.
J Orthop Surg Res
October 2023
Department of Orthopaedic Surgery, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, CA, USA.
Purpose: The purpose of this study was to characterize the impact of detraining due to the COVID-19 pandemic on incidence of bony injuries and stress fractures in collegiate athletes.
Methods: A comprehensive collegiate athletic conference injury database was queried for all in-season, sport-related bony injuries (defined as all stress reactions and fractures) that occurred across all sports from January 2016 to June 2021. The bony injury rate per 1000 athlete exposure hours (AEH) was calculated and compared between the immediate post-hiatus season and historic rates from pre-hiatus seasons (2016-2019).
Sleep Health, Individual Characteristics, Lifestyle Factors, and Marathon Completion Time in Marathon Runners: A Retrospective Investigation of the 2016 London Marathon.
Brain Sci
September 2023
Faculty of Kinesiology, University of Calgary, Calgary, AB T2N 1N4, Canada.
Article Synopsis
- - Despite its importance for athletes, sleep health in marathon runners is not well-researched, leading to this study which looked at how sleep affects marathon performance and overall well-being.
- - Data was collected from nearly 1,000 London Marathon participants using the Athlete Sleep Screening Questionnaire, revealing that a significant portion experienced sleep difficulties, especially middle-aged runners.
- - Findings suggest that using sleep trackers and electronic devices before bed negatively impacts sleep quality and marathon completion times, indicating that these habits could harm marathoners' sleep health.
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