I have noticed on a few different occasions where people have mentioned the apparent "speed" of the pool they swim in.
anyone want to enlighten a clueless person as to what this means? ;)
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Depth also makes a difference.
A shallow pool allows turbulence to boil back up from the bottom and negatively impact the swimmer.
Recap so far: Lane lines (or even double lane lines). They should be tight, and big and have surfaces facing various directions so that waves in all directions are "eaten" (therefore, they should not just be balls-on-a-rope.) Sides of the pool that don't allow waves to "bounce" back to the swimmers. Depth.
Also temperature. Too hot saps the swimmers' strength.
Depth also makes a difference.
A shallow pool allows turbulence to boil back up from the bottom and negatively impact the swimmer.
Recap so far: Lane lines (or even double lane lines). They should be tight, and big and have surfaces facing various directions so that waves in all directions are "eaten" (therefore, they should not just be balls-on-a-rope.) Sides of the pool that don't allow waves to "bounce" back to the swimmers. Depth.
Also temperature. Too hot saps the swimmers' strength.