All about base excess â to BE or not to BE. In 1948, Singer and Hastings introduced the concept of buffer base (BB). The change in BB from normal was called deltaBB (Î´BB). This change in BB was an expression of the non-respiratory (metabolic) component of an acid-base disturbance.
Empirically from http://www.usaswimming.org/_Rain..., free style is the fastest stroke. This is also called the front crawl (see Front crawl). However as Swimming stroke notes, there are at least 6 variations of that technique.
The pool itself has a huge effect on how fast Michael Phelps and Katie Ledecky can swim â here's why. Much of what makes Katie Ledecky and Michael Phelps the best and fastest swimmers in the world is up to them. They've done the training and developed the techniques that propel them through the pool. It's their competitive spirit that pushes them to race against not just their competitors, but also themselves.