When you exercise your muscles ache afterwards, so how come your heart doesn’t ache after doing cardio?
In: Biology
How do I get heart muscle in my legs & arms?
There are no pain receptors in the heart. Chest pain indicating heart trouble is ancillary pain in the region.
There are 3 types of muscles, the ones that make up your limbs, organs and heart. They all behave differently
… mine does. Is that bad?
Wait.. it’s not supposed to hurt?
Because cardio is aerobic respiration, which does not produce lactic acid.
If you use your muscles for a cardio workout, they won’t ache the way they ache if you do a resistance workout.
I’ve absolutely had days where my heart felt tired after an extreme effort. But never sore. Interesting question!
The ache you get in your muscles from exercise, is mainly caused by 2 things:
1. Doing a movement you are not used to
2. Excentrically overloading a movement, meaning, when you “drop” the weights controlled, but kind of cheat it up, for example, trowing a weight up in the air during a bicep curl, but then slowly lowering it.
Your heart does neither of those things. It always performs the same movement and overloading it excentrically doesn’t happen. So it wont usually get sore. It also has a great supply of oxygen and nutrients.
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