@AndrewKSheaff: Swimmers need to learn the mos...

Swimmers need to learn the most effective skills AND they need to have the fitness to execute those skills when it matters.

Over and over.

This is particularly true of underwater kicking.

While underwater kicking skills are often overlooked, developing the specific fitness to execute those skills is even more overlooked.

Plan it and make it happen.

Great butterflyers have a powerful kick that creates speed.

A big kick on a kickboard is helpful, but the real goal is creating speed through the kick while swimming full stroke.

Here is one way to put real demand on the legs while still swimming butterfly.