why do our muscles begin to shake after holding something heavy for a while?
In: 2
If you work your muscles until they get tired they release a kind of juice that makes you feel bad, the juice is acidic and burns kind of like lemonade. When the juice builds up in your muscles it makes them weaker and less able to control their movement. Because of this your muscles start to fight each other to maintain their position. They fight harder than necessary to maintain that position causing them to shake back and forth
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