Today on Fitness:
  How Pole Vaulting Works - Pole vaulting is one of the most interesting events in the Olympics! Learn how pole vaulters are able to fly so high, and what limits the maximum height!

  How Sweat Works - We all sweat when we exercise and when we are nervous, but have you ever wondered why? How can a big interview, a first date and a spinning class have the same effect on your body? Find out all about sweat.

  How Rock Climbing Works - Rock climbing is an exhilarating sport that involves strength, control and finesse. From indoor climbing to bouldering, there's something for almost everyone. Find out what it takes to really get high on life.

    
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