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Why muscles get tired?

Updated: 4/26/2024
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Wiki User

9y ago

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when you exercise your body produces lactic acid and that makes your muscles burn. this happens when your body isn't getting enough oxygen and cellular respiration still needs to take place. it is called anaerobic respiration and produces makes less oxygen (through the red blood cells) then aerobic respiration- meaning with oxygen. your muscles get tired because your blood is pumping faster to give them oxygen and you are working them harder them your body is use to.

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12y ago
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6d ago

Muscles get tired due to the buildup of lactic acid, a byproduct of energy production in the absence of sufficient oxygen. This can lead to decreased muscle function and a feeling of fatigue. Additionally, depletion of energy stores such as glycogen and the accumulation of metabolic byproducts can also contribute to muscle fatigue.

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9y ago

Muscles become tired due to the prolonged contraction of them during exercising. The glycogen stored will decrease in the muscles and the fatigue will increase.

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Related questions

How do muscles get tired?

there is force that makes your muscles tired


Exercises that make muscles tired?

All exercises eventually make muscles tired.


What are some ways of soothing tired muscles?

You can sooth tired muscles by getting a massage, or massaging the effected muscles yourself. You can also use a warm compress or icy hot which can help soothe your tired muscles.


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A cold compress is good for swollen tissues. For tired muscles the best thing is heat or massage.


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