4 ms·
The article fails to mention that until the 1970's, the frog kick was a legal kick when swimming butterfly. After that, the dolphin kick became mandatory. Doc C
by pseingatl 4mo ago
The article fails to mention that until the 1970's, the frog kick was a legal kick when swimming butterfly. After that, the dolphin kick became mandatory. Doc Councilman's _The Science of Swimming_ was not mentioned. I don't have a copy handy, band I would bet the stroke is discussed extensively.