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.
Rating Newest Oldest. Best Answer: Isaac, The fastest stroke is the crawl (or better known as the freestyle: Actually freestyle is a term used to allow the swimmer to choose whatever stroke they wish. Everyone uses the crawl because it's fastest.)