Conventional and EVF can be one in the same unless a conventional swimming stroke means purposely dropping your elbow. The pulling pattern should never be straight back because the longer and the harder the hand moves backward the greater reduction in drag force (negative drag coefficient). The hand must move (scull slightly) into less turbulent water so peak drag force or pulling power can be maintained. As strong swimmers begin to improve their EVF, sprinters will begin to evolve into more right angled looking strokes like Rebecca Addlington's and less like Alain Bernard's. With everything being equal, a stroke like Bernards, in my opinion, can become faster by getting his forearm/hand vertical earlier. With that being said, Bernard may have anatomical factors (weak shoulder cuff, flexibility issues, EVF strength conversion habit issues) that could prevent that EVF alteration (his coach knows best). My contention is that any swimmer who can, without compromising anatomical health, improve the length of time they can keep their hand/forearm in the vertical position and improve how early they can get their hand / forearm in a vertical position, will drop time. I think conventional (as long as it doesn’t mean purposely dropping your elbow) and EVF are the same and physical limitations and training habits create the variances from swimmer to swimmer. The fastest swimmers in the world may have different looking strokes but the winners keep their hands/forearm in the vertical position earlier and in a vertical position that produces the most power the longest. Getting your hand / forearm in a power position early and keeping it their longer, isn’t all about pulling strength, it’s more importantly about the ability to resist dropping one’s elbow. I started doing an exercise where swimmers kick 50 yards with fins, holding their arms in front of them (breathe to the side or in the front), holding an EVF position. Try it and it will show you the ability to “set-up” your stroke early (conventional or not) is more difficult than you can imagine. The pressure of simply swimming forward requires strong shoulder-cuff stabilizing muscles ( supraspinatus, infraspinatus, teres minor, and subscapularis) and the above exercise will show you how weak or strong yours are. I think it’s safe to say, more often than not, swimmers don’t have the necessary shoulder cuff strength that allows them to properly “set-up” their stroke. And, let’s think about it, if you can’t keep your arm in a “set-up” position (conventional or not) for 50 yards, what are the chances of ever developing a better “set-up position until you strengthen and train to improve the muscles responsible for that position. I think isometrics and the use of surgical tubing offers the most effective way to improve shoulder-cuff strength. Email me at tomtomp@netzero.com if you’re interested in more information. Good luck, Coach T.
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Essentially you are describing a catch up stroke, are you not? Gull, based on the process I am currently going through, I can tell you that the recommendations issued by minute 1:50 of the EVF clip produced by TI Israel is NOT to develop a catch up stroke.
Again there, CoachT is going from one extreme to the other.
The challenge is to achieve a balance between FQ and RQ propulsion.
Delaying the catch a tiny little bit won't make you a catch up stroke swimmer at all. Based on the information found in this important clip, it helps you acheiving more of vertical forearm position without putting your shoulder articulations at risks.
Again there, it's worth to mention again the two main recommendations to do this:
1. Delay the catch a bit so that the body becomes flatter when you bend the elbow to achieve EVF
2. Pull slightly side way, not underneath your body
Practice this. Just a little bit and you'll feel (like I do) that it's far easier to give a lot of Vertical component to your catch.
And you may realize, like I did, that it screws your timing up enough so that you need to rebuild it differently. Of course, that depends on what your timing was at the first place. Mine was involving taking a catch earlier, relative to body rotation. I used to catch on downward body rotation, now I wait a bit.
It's worth categorizing swimmers a bit here. Someone that can hardly hold 1:45 per 100 over 1500 probably won't see much difference, because such a swimmer is probably not using body rotation to add power to the stroke anyway. But when you can for instance hold 1:30 per 100 (which isn't that fast after all), chances are that your stroke is built around this body rotation power. In such a case, change in timings can sometimes be fairly critical. At least it's the case for me.
I think it's worth the effort though.
Essentially you are describing a catch up stroke, are you not? Gull, based on the process I am currently going through, I can tell you that the recommendations issued by minute 1:50 of the EVF clip produced by TI Israel is NOT to develop a catch up stroke.
Again there, CoachT is going from one extreme to the other.
The challenge is to achieve a balance between FQ and RQ propulsion.
Delaying the catch a tiny little bit won't make you a catch up stroke swimmer at all. Based on the information found in this important clip, it helps you acheiving more of vertical forearm position without putting your shoulder articulations at risks.
Again there, it's worth to mention again the two main recommendations to do this:
1. Delay the catch a bit so that the body becomes flatter when you bend the elbow to achieve EVF
2. Pull slightly side way, not underneath your body
Practice this. Just a little bit and you'll feel (like I do) that it's far easier to give a lot of Vertical component to your catch.
And you may realize, like I did, that it screws your timing up enough so that you need to rebuild it differently. Of course, that depends on what your timing was at the first place. Mine was involving taking a catch earlier, relative to body rotation. I used to catch on downward body rotation, now I wait a bit.
It's worth categorizing swimmers a bit here. Someone that can hardly hold 1:45 per 100 over 1500 probably won't see much difference, because such a swimmer is probably not using body rotation to add power to the stroke anyway. But when you can for instance hold 1:30 per 100 (which isn't that fast after all), chances are that your stroke is built around this body rotation power. In such a case, change in timings can sometimes be fairly critical. At least it's the case for me.
I think it's worth the effort though.