I didn’t get the sense that the parent comment to yours was talking about formal exercise, but as a way to use different, stronger muscles to achieve the same r

I didn’t get the sense that the parent comment to yours was talking about formal exercise, but as a way to use different, stronger muscles to achieve the same result as using ones arms, and with the added benefits of mechanical advantage the gears would provide. I tend to agree, putting this on something that is pedal powered seems like a really cool next step or future modular add on for efficiency.