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Freestyle - The Deep Catch

Posted by Glenn Mills on Jul 24, 2012 09:01AM (17,867 views)

There's been a lot of talk lately about the straight-arm pull versus the bent-arm pull.  Paddle versus propeller.   Linear pull pattern versus the S-shaped pull pattern.   To figure out which is best for you, you need to experience both types of pull.  

Why Do It:
When scientists studied Olympic swimmers, they determined that a straight-arm pull...and we're talking straight-arm pull UNDER WATER... makes you faster than a bent-arm pull.  You can read about their experiment here.  The most important word in that study is "Olympic."    If you're not a swimmer at that level, maybe a straight-arm pull is not the best solution.   But that shouldn't keep you from experimenting.  So here's a couple ideas.

How to Do It:
1. 
 Swim slow freestyle like you normally would, but initiate the stroke with a straighter arm...with very little bend in the elbow.   Press the arm down into the catch.
2.  Reach to the deepest point in the water that you're able to, without dipping your head or pressing down with your body.
3.  Rotate a bit farther to your side to grab a bit more water.
4.  You may want to open up, or make the recovery larger as well, to help drive the pulling arm down.

How to Do It Really Well (the Fine Points):
While you don't want your arm perfectly straight, you want to think of your arm as being like a spoke on a bike wheel.   Think of your hand as the actual tire -- the point where the rubber meets the road.  The farther away your hand is from the center, the faster the hand speed.  If you can maintain a high speed with your hand, you'll generate a bit more speed in your swimming.   

The thing to remember about this is that the elite athletes who took part in the study were very strong, very fit, and most likely did not have any shoulder troubles.   It takes years of training in both the pool and the weight room to build up the tolerances necessary to swim like this.  If you're a masters swimmer, or triathlete, this may not be the best technique for you.   It may grant you higher velocity for short distances, but in the long run it may break you sooner.




Responses

Responded Jul 24, 2012 01:53PM

Great video once again!! As you said it is about straight arm IN the water. Be careful if you try this, you might also have a straight arm recovery, which will probably make your entry a little bit, or a lot, splashy and potentially damage your shoulder (too much pressure on a fully extended shoulder is not good, using paddles makes it even worth!).

Responded Jul 24, 2012 01:56PM

Exactly... the article went mainstream, and Barbara and I received many emails asking if "this is the way" to swim. For 98% of the people we were contacted by... no. But doesn't mean it's not absolutely valid. Still comes with a lot of points to watch out for.

Responded Jul 24, 2012 03:24PM

This article stated the study only compared a sculling pull to a deep-catch stroke. We have known the Councilman S-shaped pull is obsolete science so there is nothing much new here. What it did not compare, at least in the news report of the study, is the EVF pull to the straight arm pull. Why is everyone assuming that the fastest pull is a straight arm, deep catch when that wasn't the study? Am I missing some information?

Responded Jul 24, 2012 03:31PM

The point of this video was to make sure that people who were exposed to the article didn't switch to that stroke just for the sake that it was in vogue, or that it's the new defacto way. Early vertical forearm wasn't discussed, so I didn't put it in the video.

Edited Jul 24, 2012 03:34PM
Responded Jul 24, 2012 04:05PM

I find this very interesting, but confusing. I think I know what the sculling stroke is -- Kara Lynn Joyce, because she is mentioned in the NYT article. Of course, it seems to work very well for her. I can't figure out who the deep catch swimmers are or what a deep catch stroke is. I have been told that Popov had a deep catch, although Popov clearly has a high elbow. Cielo has a high elbow too (which is confusing because Brett Hawk describes him as having a straight arm). The guy in this video seems to have very straight arms with not much of a high elbow. Anthony Ervin and Gary hall had high elbow pulls, but with an "extended lever" (as Mike Bottom explains it). Bousquet (another Auburn swimmer) seemed to have a really straight arm. Does anyone have a copy of the full-length study? I wish I knew who they were referring modelling as deep catch swimmers.

Responded Jul 24, 2012 04:21PM

How misleading....the swimmer in the video DOES BEND HIS ARM...........look at it from a side shot. Plus, look at Phelps and any top class swimmer..they do not swim with a straight arm underwater.............ALL have a variation of an eliptical pull pattern..........

Responded Jul 24, 2012 06:11PM

Let me put it this way "c". And sorry if you think this is a bait and switch. The swimmer in the video is currently the best swimmer to demonstrate that I have access to. He's a 16 year old who split 50.57 this past weekend on a relay for a long course 100 free. You're right... even HE can't do it perfectly. The only swimmer we currently have on the team that can swim with the straight arm technique is Lia Neal... who I couldn't film this week... because she's in London preparing for the 400 free relay. Again... Olympian.

Again... the goal was to illustrate this is very tough to do. I didn't do the study. Barbara and I received many emails regarding this study and wanted to make sure people understood that it may not be for them.

Also, when you say "elliptical pull pattern"... and the word ALL... are you saying these athletes use an S pattern, or use more of a bent arm pull? Either way... whenever you use the word ALL in a description, you've already disqualified yourself... there is no ALL in swimming. Just an FYI.

Here are some clips you should look at that may explain things a bit better.

Roland Schoeman (World Record Holder 50 SCM free)
https://www.goswimtv.com/lessons/866-frees...

Jason Lezak (fastest split in history 46.0 100 LCM free)
https://www.goswimtv.com/lessons/975-lezak...

Barry Murphy (19.1 50 yards - Irish Record Holder 50 free)
https://www.goswimtv.com/lessons/1219-free...

Anyway... there are plenty more nice illustrations of a direct pull on the subscription site. If you just want the free content, then you'll have to understand that I'll do my best to find an athlete who demonstrates an example as best as I can.

How's Burundi by the way? You may be the first person we've had on the site from there. :)

Responded Jul 25, 2012 01:56AM

Where'd ya go Bruce?

Responded Jul 25, 2012 04:26PM

Well.............looked at the video in the study quoted by yourself................woman has a nice bent elbow. However, as you contend in your response to my previous posting...I have disqualifed myself. Now, let me see, are you referring to a totally straight arm? A somewhat bent arm? If so, how much is desirable....and fact that you state that many will find this straight arm technique too difficult or not for them.......is that a caveat for its garbish? <<<Disqualifed myself, again!!!!!!!!!!!

Responded Jul 25, 2012 05:14PM

Sorry... what is garbish? Something must be getting lost in the translation from Burundi. That's understandable as to why you're unclear on what I'm trying to say in this very simple drill.

Responded Jul 25, 2012 05:18PM

I'll further do my best to help you out.

The swimmer in the video in the article swims for Johns Hopkins. While George Kennedy, the coach at JH, is a very good friend and good coach, he'll be the first to tell you... his swimmers are also not... Olympians.

The female used in that video would also find it very difficult to use this technique.

If you want to see someone doing it properly, I cited three videos, and especially the Barry Murphy video, that will show you what you're missing. The subscription site holds the answers to your questions. Thanks for playing... see you in London?

Responded Jul 25, 2012 05:53PM

Now let me see....the video used in the article.....is of a swimmer who is not able to use the drill.....hmmmm...nice logic....plus, at no point does it state that this swimmer cannot do the technique. If you can explain how a swimmer can go from a straight arm to a bent arm without doing a zig-zag type action...then your point may be of interest.....plus, I loved Roland Schoeman's straight bend straight action..........great zig-zag pull. As for me making my point, am not playing..just expressing an opinion. And, I am in no need of your help to understand your flawed logic......which you are more than capable of confirming.

Responded Jul 25, 2012 06:23PM

What I love about this, is that you're not capable of understanding anything without the perfect visual. Is my logic flawed because you don't understand it, or because the visual isn't perfect? As I stated before, which you seem to require multiple reminders... I didn't write their article, I didn't prepare the video for their article, and while their science is valid, it's not meant for everyone. Your accusing tone that I've somehow mislead people with this, and generalization that ALL swimmers swim the way you understand it... combined with the fact that you're NOT from Burundi, are hiding behind a letter, rather than a full name, and my own understanding that you and I are indeed connected on LinkedIn (or were) shows me that you're posting as a coward... and I don't like cowards.

Be a man, write me an email, and I'll turn your account back on. Until then... I'm going to finish packing for London.

I love having debates about technique with men and women... not people who are too afraid to stand behind their beliefs to the point they have to create false persona's to create a single post. After 10 years of Barbara and I bearing our hearts and souls for anyone to pick apart... bravely... if you want to call me out on a technique... maybe I'll learn something new.

For the rest of you... sorry about this. I just don't like internet bullies or "internet brave". It's one of my pet peeves and I won't be nice when people who aren't brave enough to post their full names and call me out on things. After 400+ plus drills... I know I've posted many incorrect things... it's called learning. I admit I don't know it all... but I can tell you... I know more than "c".

In the immortal words of my friend Craig Beardsley. Don't mistake my kindness for weakness.

Have a good day everyone... I feel better. That was fun. Off to London!

Edited Jul 25, 2012 06:27PM
Responded Jul 25, 2012 08:29PM

Hope you have a great time in our capital city, Glenn. I'll be there as a volunteer on the Event Services (basically Customer Service) team for the opening session on Saturday and 7 other shifts, just hoping to see some of the races if I'm not stuck outside on ticketing duty or some such every shift! Have fun and thanks for all the informative stuff on the site. There are so many ways to skin the same cat that experimentation and 'failure' at times is one of the best ways to develop. The fault would only be in not learning when things don't go according to plan!

Responded Jul 26, 2012 11:41AM

Interesting thread here. If you look at underwater video of Ian Thorpe, one of the greatest freestylers ever, he definitely does NOT have a straight arm pull. In fact his arms bend and forearms go vertical so far forward as to seem unnatural. And the late Doc Counsilman certainly thought that straight arms underwater were inefficient. But then who could explain Janet Evans and her unconventional stroke?

Responded Jul 28, 2012 08:44PM

Interesting how short tempers get on the internet. I have never seen video of any world class swimmer who pulls with a perfectly straight arm. The amount of elbow bend varies considerably, and generally I think sprinters have less elbow bend than distance swimmers, but all have some. Same with the S-curve pull. Some, also usually sprinters, have only a slight out-in-out curve, others, usually distance swimmers, have more. The theory of propulsion that makes the most sense to me is the "shedding vortex" or "fling ring" theory, explained well by Cecil Colwin in "Swimming into the 21st Century." On some videos of Michael Phelps, you can see beautifully formed rings of turbulence coming off his hands as he pulls.

Responded Jul 29, 2012 04:02AM

Great relay swim by Lia. Congrats to you and her Glenn.

Responded Jul 30, 2012 02:01AM

I find this extremely fascinating and timely, as I coached years ago and have been impressed by many of the stroke changes of recent years. I have been really struck by the trend in our swimmers to have such a straight "recovery" because I look at them and think "that shoulder will never make it to college". The changes underwater though have been equally as fascinating and I have lately been trying to employ changes to my stroke to see how much increase in dps I can get by tweaking the underwater aspect. It has been difficult to prevent pressure on the shoulder but I definitely can more power from my core with a deeper initial catch. I don't know that my 43 year old shoulders could do it much longer without more intense weight training but it has been a fun experiment. And yes, it takes concentration and a faster recovery to keep the elbow bent.

Responded Aug 01, 2012 08:06PM

Jacki Hirsty, I think you are dead on. He supposedly covered Paddle Stroke vs. Propeller Stroke, but the Paddle Stroke has two main types, the Counsilman S-Pull, and the I-Pull popularized by Ian Thorpe.

http://www.youtube.com/watch?v=batQnvqsZy4

The professor only compares the S-Pull Paddle Stroke to the Propeller Stroke. In that comparison, we can determine that the S-Pull is not as efficient at thrust as Propeller Pull, but it's also not as efficient at lift. Seeing as the S-Pull was designed to maximize lift, this study pretty much obliterates theories on the continued utility of S-Pull. What this study does not, so far as I can tell, do is match up Propeller Stroke to the I-Pull Paddle Stroke. If that comparison is made, I think we will find that the I-Pull will still come out dominant, not for thrust or just for a more efficient drag-induced lift (which I think it might have), but primarily for the speed of the pull as it pulls in the laminar flow area around the body and reaches the recovery position. The Propeller Pull will necessarily be pulling through a turbulence zone, making for a slower pull. At least that's my thinking, though I'm not a trained biomechanical physicist.

Responded Aug 02, 2012 05:40AM

Basically this article/section is introduced with a statement clearly stating that scientists have proven the straight arm pull to be more effective than the bent arm pull (When scientists studied Olympic swimmers, they determined that a straight-arm pull...and we're talking straight-arm pull UNDER WATER... makes you faster than a bent-arm pull).....having studied biomechanics for some years, viewed underwater shots of all 2012 olympic finalists (thus far)...........it must be stated that not ONE swims with a straight arm underwater pull action.......ALL use a form of straight bend straight...as for Janet Evans....yes she uses a straight arm recovery (overwater) but she has a lovely straight bend straight underwater pull....that is a BENT ARM. Swimmers/coaches take care as a straight arm underwater pull can possibly result in your swimmers regressing and risking injury

Responded Aug 02, 2012 11:42AM

Reverting back to straight arm underwater pull for sprinting. My 25M times show several tenths improvement.

Responded Aug 02, 2012 11:47AM

Here is my free:
http://www.youtube.com/watch?v=TOR7XhMyFGA
My left arm is not as straight, but more than before (old shoulder injury)

Might employ a deeper catch with my fly too:
http://www.youtube.com/watch?v=pwsqcrat9WM

Nevertheless, any suggestions for the two?

Thanks

Responded Aug 02, 2012 02:54PM

Steve, what was your old strategy?

Responded Aug 02, 2012 06:28PM

My pull was with more of a bent arm and I would focus on trying to catch with my elbows pointing forward (evf). My arm is straighter both in recovery and pull now, and my shoulders seem happier thus far.

I chiefly do sprinting events.

Another thing I read up on, which was part of the recent study about the pull comparison, is to keep fingers apart no more than 1/3 (or something) width of a finger, but not touching each other. It is helping

Responded Aug 02, 2012 08:13PM

Hmm... well, the idea with EVF/the I-Pull is that you are not just digging at the water and hoping for the best but actually contemplating the best strategy for each part of your arm. Obviously, pulling with more, rather than less, of your arm means greater force, but that force needs to be directed appropriately for maximum forward motion. Directionality in the pool is the opposite of your pull direction, so a pull to your feet propels you forward. If you do a straight-arm Propeller Pull, then your arm necessarily pulls in a semicircle from the access point, initially pulling toward the floor, then behind, and then up. With EVF/I-Pull, the elbow is incorporated as a control to help ensure that as much of the pull as is possible is incorporated into the pull to the feet. While your upper arm follows the semicircular path from the axis, the forearm and hand, working in locked unison, pull the water in a uniform flow that parallels and exists within the laminar flow layers of the streamlining. So, while the article demonstrates the sweep out associated with the S-Pull is inefficient, comparative to the Propeller Pull, I would still bet money that the EVF/I-Pull form of the Paddle Pull is still the most efficient means of propulsion of the three. So, I'm not sure how your EVF Freestyle looked, but, perhaps, it missed the mark a bit? You mention elbows pointing forward, and that sounds a bit strained. Normally, because of the motion of the paddle (hand and forearm combination), the elbows remain high throughout the pull, but not, to my knowledge, forward any further than in line with the shoulders. And, at that, the elbows only remain that far forward until your hands pass your shoulders and your elbows need to progress further down your body for the follow through of the paddle. Now, if you dig too deep with your arms, not only are you breaking through the streamline flow layers, but you're also trudging your pull through the turbulence zone outside the laminar flow. So, I'd be careful as to exactly how far I'd stretch that elbow out during your pull, if I were you.

Now, as to your pull during these strokes, I notice that your fingers are apart, and your thumb is quite far from the rest of your hand. Generally, you want to shape your hand like a scoop foil to maximize the amount of water you displace and to keep your hand in hydrodynamic form. So, you should work on keeping those fingers and thumb together more. As to your inquiry into the fingers apart pull, yes, you can get more pull with your fingers just slightly apart. The trick here is that they have to be very slightly apart. When you pull with fingers apart, there is a flow, a current, created to the left and right of each finger as your hand pulls through. These flows flow away from the finger from which they were created. So, if your fingers are close enough together, the flow from one finger will intersect with the flow of its neighbor finger, creating a webbing effect that itself helps catch water. However, if your fingers are too far apart, that intersection won't occur between your fingers and thus will not be useful to you and will not be working as a foil. Keeping your fingers just distant enough is very difficult, as the force of the flows intersecting wants to push your fingers further apart, so it requires great personal discipline to master.

Responded Aug 02, 2012 09:34PM

Thank you for the feedback Sean, I take in all suggestions seriously because I train alone, and have been since I first started swimming (2008). I swim masters (46).

" I would still bet money that the EVF/I-Pull form of the Paddle Pull is still the most efficient means of propulsion of the three."

I agree, but I spent a great deal time trying to master it with little success for distances < 100.

"You mention elbows pointing forward, and that sounds a bit strained."

I just meant elbows pointing more forward

"I notice that your fingers are apart, and your thumb is quite far from the rest of your hand."

Yes, still working on this one. Bad thing with habits are they come back when you stop thinking about them.

Thanks

Responded Aug 03, 2012 01:02PM

You are absolutely right, and they come back with a vengeance when you are tired.

Responded Nov 18, 2012 04:52AM

I've tried the bent arm in front of the chest.it always felt slow I do a lot of weight training I think
this is the one

Responded Nov 19, 2012 02:14PM

Flexibility will always be an advantage in the sport of swimming, so a daily routine would be a benefit in increasing extension out front.


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