I’m curious why old farmers and construction workers have big thick fingers.
I work a manual labor job and my fingers get obviously thicker over the course of a few months.
If there are no muscles in my fingers, why do they get thicker?
This came to mind because I’m getting married soon and my ring doesn’t fit.
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There aren’t muscles in your fingers?
There are not muscles in the fingers, but there are muscle insertions in the fingers. The muscles are fastened to the bone by ligaments, which can thicken & strengthen over time, if you work with your hands.
You will also develop callouses, which is thickened layers of skin, due to wear & tear in the same spots over time. Additionally, there are fat deposits in your fingers, which can contribute to thickening. Temperature plays a roll in finger size, where hotter months will cause swelling. Salt & water intake can also cause swelling in the fingers, such that a high sodium intake will cause water retention & increase the diameter of your fingers.
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