AY Honors/Springboard Diving/Answer Key

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Revision as of 10:14, 3 December 2014 by JadeDragon (talk | contribs) (full answer on projection and type of boards)
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1. Have the Advanced Beginners Swimming Honor.

For tips and instruction see [[AY Honors/Swimming - Advanced Beginner|]].

2. Demonstrate properly the following dives:*

It is exceedingly difficult to write out how to perform dives, so watch these or similar videos or find a good diving instructor.

a. Swan

https://www.youtube.com/watch?v=zW2ez_CP3eg

https://www.youtube.com/watch?v=Y7KrYXgHwTk

b. Front somersault (tuck)

https://www.youtube.com/watch?v=UrChg4d9bnw

c. Half twist

https://www.youtube.com/watch?v=yNTlhag-9XA

3. Demonstrate properly two of the following dives:*

Note: * Basis of Judging: Attention position for running dives; attention position on end of board for standing dives based on the following:

  • a. Approach
  • b. Spring
  • c. Way body is carried through the air (layout, tuck, or pike)
  • d. Entry into water

a. Half twist

https://www.youtube.com/watch?v=tZpUieK9UdI

b. Cutaway

c. Somersault front one and one-half

https://www.youtube.com/watch?v=bCYa9Fzrb2U

d. Back dive

https://www.youtube.com/watch?v=aLSyi4FRURw

e. Back jackknife

f. Half gainer (tuck, pike, or layout)

https://www.youtube.com/watch?v=svCWwoMmy1c

4. State the safety depths of water under a one-meter board, a three-meter board, and a tower. How far should the board project over the pool? What boards are recom­mended?

Springboards are usually located either 1.0 or 3.0 metres (3 ft 3 in or 9 ft 10 in) above the water surface. It is very seldom that one is mounted at a height other than these two standard heights.

Board Height Pool Depth Projection (NCAA) &
One meter 2.5 meters 1.5 meters
Three meter 5 meters 1.5 meters
A tower 8 meters 1.5 meters

Historically springboards were made of wood. Modern springboards (since about 1960) are made out of a single-piece extrusion of aircraft-grade aluminum. The Maxiflex Model B, the board used in all major competitive diving events, is made out of such aluminum, and is heat treated for a yield strength of 50,000 psi. The slip-resistant surface of the board is created using an epoxy resin, finished with a laminate of flint silica and alumina in between the top coats of resin. This thermal-cured resin is aqua-colored to match the water of a clean pool.

References