Excerpt from a memo sent out by FINA this morning, see also FINA clarifies: Ryan Lochte used illegal dolphin kicks in Kazan:
SW 9 MEDLEY SWIMMING
SW 9.1 In individual medley events, the swimmer covers the four swimming strokes in the following order: Butterfly, Backstroke, Breaststroke and Freestyle. Each of the strokes must cover one quarter (1/4) of the distance.
Interpretation:
According to SW 9.1 each of the strokes must cover one quarter (1/4) of the distance. Being on the back when leaving the wall for the Freestyle portion of the Ind. Medley is covering more than one quarter of the distance in the style of Backstroke and is, therefore, a disqualification. Backstroke swimming is only defined as being on the back.
https://youtu.be/_0chtVhd6fs
