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Thread: Positive Drive Fins

  1. #1
    Active Member CCSR79's Avatar
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    Positive Drive Fins

    Positive Drive Fins -- has anybody tried them? (Here's a link: http://www.swim2000.com/product.php?pd_id=PDF)

    Unlike the other fins, these can be used when swimming breaststroke, I'm curious on how they would improve/help with that stroke (aside from a better leg workout!) Would love to know if anyone has actually used them.

  2. #2
    Very Active Member etrain's Avatar
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    Haven't used them but they do look like they could work. From the description it says that the foot is offset to the rest of the fin, and by looking at the photo you can see that there is more material to the outside of your foot. This would help in breast stroke why you "clap" your feet together. But I would also say that it will put a lot of stress on those muscles as well, so the outside of the lower legs will be getting a great workout and also the ankles.

    I don't think I would use these if I had ankle problems...

    If you do get a pair, I would like to know the outcome of them.

    Thanks,
    etrain

  3. #3
    Very Active Member Kevin in MD's Avatar
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    PDF Fins

    I use them, they do work with breastroke.

    They do the same thing that other fins do for any other stroke. Magnify proprioreceptive feedback and increase the amount of water moved.

  4. #4
    Very Active Member breastroker's Avatar
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    I am partial to Zoomers, but I have ordered a pair of these fins.

    But remember you will not greatly improve leg strength using any fin. You can improve leg endurance, but no fin addresses the real needs of breaststroke. It is the muscles that pull the feet up to the butt that gets tired, not the muscles that force the feet together during the actual kick. Too many coaches use drills that actually slow down the kick. The kick must be explosive.

    Remember that power is force divided by time. You can only increase the force of your legs by time in the weight room, and by about 10% a year. But with quickness drills you can cut the time it takes to kick, and also the time it takes in a non propulsive section of the stroke, the pulling up of the feet to the butt.

    I recommend loking at my PowerPoint presentation to the American Swim Coaches Association at http://www.breaststroke.info/ titled "Advanced Breaststroke - Ideas and drills that Work"
    It's not how fast you swim, it's how fast you slow down.

    For competition breaststroke information visit: http://www.breaststroke.info/

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