Lots of beginner, and even intermediate guitarists have rhythm problems, I did as well.

Actually, guitarists are notoriously known to have no sense of rhythm whatsoever, thats why drummers were created, to help us stay on beat 🙂

The problem is not really that we don't have a sense of rhythm, but I think it has more to do with the fact that by simply missing 1 beat, so for example plucking just 1 or 2 notes off beat, guitarists tend to get totally off beat from there.

I had a guitar teacher that showed me a couple of rhythm developing exercises back when I was learning as well, some of which I can't really show you through a blog post, but here is what you can do to start out:

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