Why isn’t our dominant hand’s bicep disproportionally larger than our non-dominant hand’s bicep?

Question

Considering we use our dominant arm for lifting, most tasks, holding things, etc.

In: Biology

Answer 1

People are only about 5-10% stronger on their dominant side, unless you do an activity which significantly alters this ratio, most day to day things aren’t gonna build your muscles very much, and that’s not generally a noticeable amount unless you’re specifically measuring