I could have sworn freestyle swimming styles looked different in Olympics in the ‘90s. It looks like now freestyle is mostly upper body with fewer kicks. Why is this? Why the change?
In: Physics
The freestyle is has what is a called a flutter kick. Which means almost constant little kicks, versus something like the frog kick in breaststroke. It’s a very small kick, leading to more aerodynamics in the movement of the back half of the body.
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