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 most common swimming strokes or styles are the freestyle stroke, the breaststroke, the backstroke and the butterfly stroke. They are well-known because they are used in swimming competitions. The swim strokes used in competitions. Besides these common strokes, other styles of swim strokes exist like the sidestroke, the trudgen, the combat swimmer stroke etc. They are used less often but can also be fun to learn. Letâs have a quick overview of these popular swimming strokes now.