 They're what we call a hinge joint, similar to the knee. So that gliding of back and forth as you bend and as you try to straighten. And if that's getting tight on you and you aren't able to actually get a good bend of those fingers, your grip is now going to be much weaker. So if you need to grab onto a railing to lift yourself up, if you need to hold something, you know, to open a jar, you know, or anything like that that might even be safety or daily functional activities. So if those are happening, our occupational therapist, Christy Toma,