Przy nawrocie można dotknąć dna. Nigdy nie można się od niego odpychać.

6.1.11
Any propulsion assistance other than swimming movements is a penalty (except in the case of thrusting against the side of the end wall during turns). Thrusting off the bottom at the conclusion of the performance to reach the surface is also a penalty.

Wszystko jest w regulaminie:
http://www.aida-international.org/aspportal1/scripts/aida%20regulations%20-%20v12.pdf