What Muscles Affect Carpal Tunnel Syndrome?

Video Transcript

ALEXSON ROY: So we're back. So now, what we're going to do is we're going to focus on the muscles that affect any type of inflammation in the carpal tunnel sheath area, okay? And once again, the sheath is like a rubber band inside of the wrist, okay? So one of the muscles is the extensor carpi radialis longus, okay? They call it all of these different things because it extends from your elbow, okay, down your arm, okay, into one of the carpals, which are the bones in your hands, okay? It's very long, longus. And radialis has anything to do with on the side of your thumb, okay? So this is the radial side. This is the radial bone, okay? And the carpi is like the web of your hand, okay? So that's where it gets its name from. So that's one of the muscles. Usually, you get a lot of stiffness from this muscle if you're moving a mouse, okay? There's a lot of secretaries or people--desk work people do or holding a pen, believe it or not. The muscle gets really, really tight, okay? So that's one of the muscles affected. Another muscle that is affected is the extensor carpi radialis brevis, okay? That one is more like towards the inside, okay? Just flip your hand just a little bit. Okay? It's more on the inside, okay? And it's like on the same area but it's kind of like the antagonist of that muscle, okay? And once again, the same thing, holding a mouse, holding a pen, anything like that. And then you have your extensor carpi ulnaris, okay? Notice that in the arm, there are two bones, okay? In the lower part, here's your radial and your ulna, okay? So the thing is, is that it's going to be more on the lateral side, okay? And it's going to affect your pinky, okay? So--but that's just three of, I guess, the main muscles that are affected. This muscle gets really, really tight. If you're doing separate braiding, any type of twisting with your fingers, this muscle gets...

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