The wrist-to-forearm ratio isn’t about getting a “better” number—it’s about seeing whether the nerve changes size where it passes through the carpal tunnel. To do that, you measure the same nerve in two locations and compare them. Start at the…
At the wrist, nerves and tendons can look similar, especially in short axis. The median nerve has a honeycomb appearance made of dark fascicles surrounded by bright connective tissue. Tendons, by contrast, look more like uniformly bright fibers, like looking…
Lister’s tubercle is a key bony landmark on the dorsal radius that helps you orient quickly in wrist ultrasound. It sits between extensor compartment 2 (thumb side) and compartment 3, making it a reliable reference point when identifying and confirming…
