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9 Swiss Ball Knee Tuck

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Uploaded by on Dec 13, 2006

The Knee Tuck or Jackknife is a challenging exercise that works your body from head to toe. The exercise is somewhat similar to Rollouts, requiring your lower abdominals to contract isometrically, stabilizing your spine.

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Sports

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Top Comments

  • This guy has great technique in all of his exercises!!

  • he makes it look so easy. . . . but its actually really hard to even balance on the ball let alone do the tuck!!

    i just cant do it!!!!

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All Comments (48)

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  • The best of U Tube

  • A fine technique of losing weight - first-focus.ru/tds/diet.php This is worked!!!

  • I find this one easier to do with the TRX. I'm all over the place with this one.

  • It's SO difficult to get the starting position!! O_O

  • still havent figured out how to perfom this exercise  with one leg :((

  • this is a very difficult exercise..and def i cant do it with one leg!u need to have a brilliant grip of the swiss ball

  • Does this effect the lower abs muscle too ?

  • You have beautiful textbook form! Thank you for putting the perfect execution of the knee tuck etc on video. check out my "ballzercise" video. I try to perfect my form doing skills on top of the swiss ball.

  • Okay, this one really looks tough to do, but I'll give it a shot.

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