1 doctor weighed in:

I never hurt my back during sports/etc. But i often experience painful back spasms that last days after trivial things like bending over. Why? 25 y/o.

1 doctor weighed in
Dr. Debra Spatz
Orthopedic Surgery

In brief: Muscle weakness

If you bend over or use poor body mechanics and your muscles are weak you can overstretch the muscle fibers which can then cause spasm.

In brief: Muscle weakness

If you bend over or use poor body mechanics and your muscles are weak you can overstretch the muscle fibers which can then cause spasm.
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