In what way does increased blood flow to muscles during heavy exercises improve physical fitness?

July 24, 2010 by admin · 2 Comments
Filed under: Diet & Fitness 
fitness
Mindy asked:

People who exercise regularly are able to increase blood flow to muscles during heavy exercise. In what way does this increased blood supply help improve physical fitness?

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2 Responses to “In what way does increased blood flow to muscles during heavy exercises improve physical fitness?”
  1. Dan says:
    July 27, 2010 at 1:10 pm

    blood delivers oxygen to your muscles. oxygen fuels your muscles, so more oxygen lets them work longer. the longer your muscles can work the better exercise you will get. Dan

  2. Keaton says:
    July 29, 2010 at 12:59 am

    As you exercise, your blood vessels in your muscles dilate and the blood flow is greater. As adenosine triphosphate, ATP, gets used up in working muscle, your muscle produces several metabolic byproducts. These byproducts leave the muscle cells and cause the capillaries (small, thin-walled blood vessels) within the muscle to expand or dilate. The increased blood flow delivers more oxygenated blood to the working muscle, thus letting you exercise longer and get a greater muscle gain. Keaton

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