Considering we use our dominant arm for lifting, most tasks, holding things, etc.
In: Biology
I find that I use my right hand for more finesse tasks, but not necesarrily more strength.
I would not expect my right-arm to get noticiely more excercise, at least not with my lifestyle.
* I think I open jars lids with my left hand most of the time, holding the jar steady with my dominant right hand.
* My dominant hand uses a pen and computer-mouse, but these are not hard excercises.
* When I lift things, I tend to life equally, or even sometimes favour my left side, so that myright hand can do comparatively delicate things like opening doors or sign a document
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