Swimming...
Or breast stroke.
A Palindrome.
In our teams we call then left strikers or right strikers. Other people just call them forwards as well.
Words that are the same forwards and backwards are called palindromes.
Palindromes
They wiggle their fins and go forwards? It's not rocket science. More... aquadynamics?
palindrome
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A palindrome
A word that is spelled the same both forwards and backwards is referred to as a Palindrome.