Is the Blood of a Runner Different?

A small amount of any of your body fluids provides massive information. These tests will report a number and tell you whether it falls within the normal range.


But what is the normal range? This “normal range” is based on hundreds of thousands of tests of people. People who are old and young, male and female, sick and healthy, runners and non-runners. Top marathon runners have different lab values than sedentary folks, even moderate runners can cause changes in commonly measured lab tests, you should be aware of the common variations and those that should raise a red flag. We will look at some of these tests, tell you which ones you should worry about and which ones can be considered normal. If you have other tests you want to discuss, let us know in the comments section. Continue reading “Is the Blood of a Runner Different?”

4 Secrets to Beat Usain Bolt at the 100 meters

Usain Bolt is still the fastest man on earth, he owns the world record for the 100 meters at 9.58 seconds, he also owns the second best time at 9.63  seconds and wait for it…. yes, he also owns the third best time at 9.69 seconds. At the last Olympic games in Rio 2016, 9.81 seconds were enough for him to become a legend, impressive but still far from his best time in Berlin 2008. He is not as fast anymore and he is not getting any faster as age hits him like any other mortal. We will analyse the world 100 meters record and find the strong as well as the weak areas to improve on the Lighting Bolt, are you ready to be the new and improved fastest man alive? Continue reading “4 Secrets to Beat Usain Bolt at the 100 meters”

Do We Need to Stretch?

Stretching a muscle at rest before running is widely used with the idea to lengthen a muscle to a point of discomfort for a period of time (usually 30 seconds to 2 minutes). It is also called isometric stretching or static stretching and it is advocated by many coaches and fitness experts, however, a recent review has proven it detrimental to performance

stretching lion

Continue reading “Do We Need to Stretch?”

Compressión Stockings, Friend, Foe or None of the Above

The use of compressive clothing is becoming very popular in all kinds of sports due to the promise of potential positive effects on athletes. Some of the potential benefits are:Michelin people

  • Improved blood flow
  • Less muscle soreness
  • Decreased fatigue
  • Better muscle recovery
  • Decreased muscle damage


Continue reading “Compressión Stockings, Friend, Foe or None of the Above”

How to Swing your Arms

Humans naturally move their arms while running, it is a natural act! You have to make a conscious effort to walk without using your arms and an even bigger effort if you running. This leads us to believe there must be some kind of benefit by using this technique, otherwise, evolution should have left it out of our nature, since it is an energy consuming movement.

Mechanical Benefit

We move our arms contrary to our legs, so when your left foot goes. Your arms work as a counter-balancing force to the angular momentum generated by the legs(1,2). The angular momentum is the amount of rotation of a body and it depends on the velocity as well as the mass of the object. This compensation is important because it keeps the runner in a straight line, and it keeps the visual aim stable.

angular momentum
angular momentum

The left arm is counter-acting the angular momentum caused by the right leg so that the body of the runner is kept straight and the visual aim remains stable. Continue reading “How to Swing your Arms”