Can you have a bruise without there being a visible bruise?

Is that a THING?

I helped my sisters fiancé move their couch that is like three times my size yesterday and now my left bicep kills. I can't tell if I I just favored my left arm when lifting so it's sore, or if I bruised it in the process of bringing it downstairs. 😐 I didn't see any discoloration though.
Can you have a bruise without there being a visible bruise?
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