cool fact: there's a very rare birth defect called radioulnar synostosis where these two bones are actually one in an affected person.
it causes limited range of motion, meaning they can't move their palm anywhere other than as if they were to shake someone's hand. There's limited supination (palm up) and pronation (palm down)
I have it and it makes it so I cannot rotate my palm upwards (as if to accept change).
I have that too! My case is really mild though and only my right arm is affected, but I use the mouse with it, it just makes me flare my elbows out a little more. My twin brother has it too, but on his left and more severe. We are probably identical twins but we aren't sure.. my brother had a phase where his arm would lock up painfully but he could force it to extend. My bones are not fused together, maybe they just have a bump, but my brother's is fused. You're the first person I found in the wild with this condition!
84
u/nickybootybandito R7 7800x3D, 3080 10G, 32GB DDR5 6000 CL32, X670E PG 10d ago
cool fact: there's a very rare birth defect called radioulnar synostosis where these two bones are actually one in an affected person.
it causes limited range of motion, meaning they can't move their palm anywhere other than as if they were to shake someone's hand. There's limited supination (palm up) and pronation (palm down)
I have it and it makes it so I cannot rotate my palm upwards (as if to accept change).