Monday, April 7, 2008

15 Interesting Facts About The Muscles

human muscles

In this post you will discover some interesting facts about the human muscles, but first I want to make sure you know, exactly what the muscles are. Basically they are the organs that allow us to move. They are made out of fibers. These fibers stretch and contract under the command of your brain. What holds the muscles to the bone is called tendon. When the muscles contract they pull the tendon, which pulls the bone and... you move.

Do you know that you have more than 640 muscles, which are separated in to two groups- Voluntary and Involuntary muscles?

Voluntary are the muscles that you move whenever you want to, like your biceps for example.

Involuntary are the muscles that move without you thinking about it, like the heart. It contracts up to 80 times a minute and doesn't depend on whether you want it or not.

Now, when you know what muscles are, its time for the facts:
  1. The biggest muscle in the human body is the gluteus maximus- your butt
  2. The smallest is the stapedius. It is thinner than a thread of cotton and is located in your ear
  3. The reason for goosebumps is the contraction of small muscles located in your hair's roots
  4. You use 17 muscles in order to smile, and 43 to frown
  5. The fastest muscle group in the human body is the one responsible for blinking. Thanks to them you are able to blink up to 5 times a second
  6. You use up to 200 muscles in order to take a single step
  7. The strongest muscle in the human body is located in the jaw and its name is the the masseter muscle
  8. Your muscles are normally around 40-50% of your body weight
  9. Every half a kilo (1 lb) of muscle you gain, your body burns an extra 50 calories a day
  10. The fibers you already know about can support up to 1,000 times their own weight
  11. 75% of the muscle is water
  12. Producing the human speech takes 72 different muscles
  13. The human tongue consists of sixteen separate muscles, not one as many people think.
  14. Did you know that your muscles have their own memory? This is why once you learn how to ride a bike, you can never forget it, no matter how long you haven't done it.
  15. Muscles produce up to 85% of your body's heat. In fact they produce enough daily heat to boil 2 pints of water for an hour
These are the interesting facts about the human muscles I am aware of. If you know more please leave a comment!

Something else you should never forget is taking care of your muscles. Make sure you exercise, warm up before challenging your muscles and provide enough protein so they could recover from a tough work out.

If you have any questions feel free to ask me at or leave a comment.


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