Normally, if you overstress a muscle, it gets stronger. But if you have bad posture, causing you to overstress certain back muscle groups, you get back pain. Then the physio gives you exercises to “strengthen” those muscles. How does that work?
In: Biology
Muscles have a length/strength relationship. Muscles at the end of the range in which they work are less strong than when they are in the middle of it. So lengthened Muscles due to bad posture can be less strong.
The better answer for posture is lack of use, not over lengthened, as mentioned before.
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