false start
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2021 ◽  
pp. 25-32
Author(s):  
John Scott Baird
Keyword(s):  

Heliyon ◽  
2021 ◽  
pp. e08428
Author(s):  
Emmanuel Ocen ◽  
C.A.J.M. de Bie (Kees) ◽  
Charles Onyutha

2021 ◽  
Vol 61 (2) ◽  
pp. 203-213
Author(s):  
Peter Mitašík ◽  
Ladislava Doležajová ◽  
Anton Lednický

Summary The aim of the article was the intraindividual evaluation of reaction time at the Women’s World Athletics Championships from 1999 to 2019.We generated the rating of sprinters from the age point of view with comparison of two periods with different false start rules. In the result section, we analysed the sprinters that took part at World Championships (WCH) at least 3 times and appeared in the final. We assessed the reaction speed from the ageing point of view, or more precisely with the changing conditions when judging the false start. The results confirm that the stricter start judging rules in sprint disciplines did not have a significant influence on the reaction speed. We also confirmed a research that the sprinters older than 30 years can achieve very low reaction time at the start.


2021 ◽  
Vol 116 (3) ◽  
pp. e137
Author(s):  
Jacquelyn Shaw ◽  
David H. McCulloh ◽  
Caroline McCaffrey ◽  
James A. Grifo ◽  
Jennifer K. Blakemore
Keyword(s):  

2021 ◽  
Vol 17 (9) ◽  
pp. 20210346
Author(s):  
Meelis Tambets ◽  
Einar Kärgenberg ◽  
Ain Järvalt ◽  
Finn Økland ◽  
Martin Lykke Kristensen ◽  
...  

The European eel's singular spawning migration from European waters towards the Sargasso Sea remains elusive, including the early phase of migration at sea. During spawning migration, the movement of freshwater resident eels from river to sea has been thought to be irreversible. We report the first recorded incidents of eels returning to the river of origin after spending up to a year in the marine environment. After migrating to the Baltic Sea, 21% of the silver eels, tagged with acoustic transmitters, returned to the Narva River. Half returned 11–12 months after moving to the sea, with 15 km being the longest upstream movement. The returned eels spent up to 33 days in the river and migrated to the sea again. The fastest specimen migrated to the outlet of the Baltic Sea in 68 days after the second start—roughly 1300 km. The surprising occurrence of returning migrants has implications for sustainable management and protection of this critically endangered species.


Headline NORTH KOREA: Cross-border contact may be a false start


2021 ◽  
Vol 77 (18) ◽  
pp. 1996
Author(s):  
Usman Hasnie ◽  
Efstathia Andrikopoulou ◽  
Steven Lloyd
Keyword(s):  

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