Pick a Turn, The Fastest Turn
CSEF · 2009 Mammalian Biology Fourth Award
Overview
Objectives/Goals Which turn is the most efficient for the transition between Backstroke to Breaststroke: the "Dropdown" turn, the "Swivel" turn, of the "Flip" turn? Methods/Materials Materials needed were: pen/pencil, data sheets, swimmers, and a stopwatch. The Methods were: 1) Obtain materials listed above; 2) Have swimmers perform the "Dropdown" turn; 3) Record time on data sheets; 4) Have swimmers perform the "Swivel" turn; 5) Record time on data sheets; 6) Have swimmers perform the "Flip" turn; 7) Record time on data sheets; 8) Repeat steps 2-7 as many times as necessary; 9) Compare the averages of the turns; 10) Conclude Results The "Dropdown" turn proved to be the fastest transition turn when compared to the "Swivel" turn and "Flip" turn. Conclusions/Discussion The "Dropdown" turn was found to be faster overall, when compared to the "Swivel" turn and "Flip" turn. Originally, it was thought that the "Flip" turn would be more effective, and that height and/or body mass differences would effect teh times. Not only were both disproved, but it was additionally found that more or less oxygen did not effect the results. The swimmers stayed around the same time after a strenuous workout as with an easier one.
Summary statement
This project was on testing which transition turn from Backstroke to Breaststroke was the most efficient for swimmers: the "Dropdown" turn, the "Swivel" turn, or the "Flip turn.
Help received
My parents gave me the idea for this project and woke up at five in the morning to drive me to the pool; my sister, Olivia, for doing the same turns over and over again; Genie Chung, who performed the turns; Jenna Adams, who performed the turns; and Will Prier, who performed the turns.
Awards (1)
Competition history
- CSEF 2009
Resources
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Source: California Science & Engineering Fair public projects