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  #1  
Old 09-22-2010
andreasl33 andreasl33 is offline
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andreasl33
Default Breaststroke kick - what is legal?

I wonder how far one may go with the body wave in breast stroke. Is it legal to fit in a small dolphin down-kick during the gliding phase? I ask, because it comes natural. After the pull, the upper body dives into the water, and may end up in a slight downward slope (not completely parallel to the surface), during the gliding phase. During this phase, one could kick the legs downward to become parallel to the surface, extending the gliding phase and giving an extra bit of propulsion. Difficult to explain, but take a look at the following video of Michael Phelps:

http://www.youtube.com/watch?v=Le-KEtY4WhM

I am referring to the more precise clock in the bottom. At position 10.080 he is in a slight downward slope, at least his lower legs are. By position 10.400 he has kicked them down. My question is: How pronounced may this movement be, in order to still be legal?
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Old 09-22-2010
splashingpat splashingpat is offline
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Quote:
Originally Posted by andreasl33 View Post
I wonder how far one may go with the body wave in breast stroke. Is it legal to fit in a small dolphin down-kick during the gliding phase? I ask, because it comes natural. After the pull, the upper body dives into the water, and may end up in a slight downward slope (not completely parallel to the surface), during the gliding phase. During this phase, one could kick the legs downward to become parallel to the surface, extending the gliding phase and giving an extra bit of propulsion. Difficult to explain, but take a look at the following video of Michael Phelps:

http://www.youtube.com/watch?v=Le-KEtY4WhM

I am referring to the more precise clock in the bottom. At position 10.080 he is in a slight downward slope, at least his lower legs are. By position 10.400 he has kicked them down. My question is: How pronounced may this movement be, in order to still be legal?

I say
if Phelps does it! it should be legal!the dolphin is incorporated into the breast!
I never realized that! I do n't think many know it!
good luck and ROBERT MCADAMS is a great one for answers,
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  #3  
Old 09-22-2010
sasquatch sasquatch is offline
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sasquatch
Default Another example

Breast-stroke is Phelps' least competitive, and butterfly probably his most dominant stroke, makes sense that he'd play to his strength in the IM's by adding some of what he does well (would be nice if my worst stroke was as 'bad' as his is).

Take a look at this article on breaststroke specialist Rebecca Soni and how she has used the natural body position you pointed out in Phelps (short axis undulation common to breast and fly) and adapted her kick (more narrow like dolphin). Cool history of how butterfly 'evolved' from breaststroke too.

http://www.swimnetwork.com/News/Swim...aststroke.aspx

As for what's legal? I think that in competitive breast-stroke racing they're limited to one dolphin kick off each turn. My guess is you can get away with what you're doing until someone notices it's different and decides it gives you an unfair advantage; the leg motion you're mentioning is probably coming more from good short-axis undulation than overt dolphin kicking and subtle enough to not draw attention as illegal.
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  #4  
Old 09-23-2010
LilBeav LilBeav is offline
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USA Swimming Rules state: 101.2.3 Breaststroke Kick - After the start and each turn, a single butterfly kick, which must be followed by a breaststroke kick, is permitted during or at the completion of the first arm pull.
Following which, all movements of the legs shall be simultaneous and in the same horizontal plane without alternating movement.
The feet must be turned outwards during the propulsive part of the kick. A scissors, flutter or downward butterfly kick is not permitted except as provided herein.
Breaking the surface of the water with the feet is allowed unless followed by a downward butterfly kick.

Interpret how you see fit.

Good luck
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  #5  
Old 09-23-2010
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CoachDave CoachDave is offline
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Default The trick

To fit a half dolphin kick in, the body goes through the undulation, uses the whip to pulse the hips over and down, and when it's time to recover them, many swimmers use a slight upward flick. It's similar to a half dolphin, but coaches make sure the swimmer doesn't splash upwards. You'll sometimes see a little boil over the feet when it happens as they recover the feet.
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  #6  
Old 09-25-2010
andreasl33 andreasl33 is offline
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Thanks to all!
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