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  • Tanja Heinz zweifache Deutsche Mastersmeisterin!!!
    Ulrich Ringleb 11.09.2021 14:13
    Großartiger Erfolg! Glückwunsch allen Beteiligten ... :lol:

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are external devices used to increase propulsion. are external resistance devices used to decrease propulsion. These devices are on every pool deck, but despite the common use of both external devices, minimal research supports or disproves their effectiveness. One study (Telles, 2011) studied four maximal freestyle resistance conditions: no equipment, hand paddles, parachutes, and hand paddles + parachutes. Relative stroke phase duration of each arm, swimming velocity, and stroke rate were analysed from video (60 Hz).

Specifically, these researchers had the swimmers perform maximal swimming sprints and looked at the lag time between each phase of freestyle swimming to determine if the index of coordination differed with the external devices. It was preconceived if lag time significantly differed between the various conditions, then the efficacy of the external devices would not be warranted.

Eleven male-swimmers (age: 21. 9 ± 4. 5 years; 50-m best time: 24.

Read more https://feedproxy.google.com/~r/Swimmingscience/~3/StIz_hR1BM0/hand-paddles-and-parachutes-on-sprint.html

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