Why do this exercise? It's simple. It's hard to improve if you come into workout, jump into the water and proceed to swim lap after lap after lap without a true understanding of what you are really trying to accomplish. Yes it is true that we are trying to get in a workout that will cumulate in your personal best times at that last meet of the season. HOW DID YOU DO STROKE ACRONYMS FR=FREE BK=BACK. BR=BREAST FL=FLY. IMO=INDIVIDUAL MEDLEY ORDER IMFR=IMO/FREE. RIMO=REVERSE IMO OTHER ACRONYMS YOYO=YOUR ON YOUR ON UW=UNDERWATER UWD=UNDERWATER DOLPHINS DPS= DISTANCE PER STROKE HR= HEART RATE BP=BREATHING PATTERN OTHER THINGS WE USE BROKEN SWIMS= EXAMPLE 200 FREE BROKEN 50/100/25/25 KBRD KICKING USING BOARDS K NBRD KICKING NO BOARD NEGATIVE SPLIT= EXAMPLE 100 BACK 2ND 50 FASTER THAN FIRST EFFORT LEVEL GREEN=SMOOTH 60-70% PINK=75-85@ BLUE= 90% RED= ALL OUT BUILD= EACH REPEAT GETS FASTER EXAMPLE 4X50 FREE 1@PINK/1@BLUE/1@RED/1@GREEN DESCEND= DESEND YOUR TIME WITH EACH REPEAT BEST A