Anyone else have an imbalance in leg strength?

I think I have the same issue...

When I flex both legs, my right quad is noticeably more defined...

I'm not going to worry about it, though.

I attribute it to being right handed.

My right leg used to be stronger than my left during my years of volleyball and strength training.  I tried to "build up" my left leg to match my right because there was a noticeable difference in the size of my quads.

It also made shopping for pants difficult because the right pant leg was too tight.  I stopped lifting altogether and have been mainly focusing on the S/B/R (I still play volleyball occasionally) and my legs have finally evened out.  Whew!

I don't think it's weird, because my legs are the same.    I attribute it to the left leg being the "plant" leg for sports I've done.  In martial arts my right leg was the quicker leg, but guess what leg was doing all of the "support" work?  Also, playing basketball, or any leaping exercise for that matter, I always jumped from my left leg.  It was the "power" leg, but other than soccer I couldn't kick with it a darn for football.  Most weight exercises I do now are unilateral, so I can focus on each leg, which seems to help.  I sometimes notice a difference in strength on the bike, but not on the run or swimming.

Oh, I'm sure that's why I'm imbalanced as well - I danced for years and years, and while moves are done on both sides, esp in warm-ups, combinations/choreography more often start on the right, with the left leg as the stabilizer. So I need to go have it looked at and get suggestions for how to properly even them out - I'm sure that would help my cycling immensely, and probably my running as well.