The TFCC is the primary stabilizer of the wrist and the joint between the radius and ulna (radioulnar joint). It also supports the first row of carpals at the wrist.

The carpals, or wrist bones, ... This connects the other two bones to the radius, the inner bone of your arm. It’s a modified ball-and-socket joint that allows you to bend and rotate your wrist.

While a dislocated wrist can involve all eight carpals, your lunate and scaphoid bones are often affected. These two bones form a bridge between the radius and ulna bones in your forearm and the ...

Radius. Ulna. Question. ... Hands. One way to remember carpals and metacarpals are in the wrist and hands is that you use them to drive a 'car' ('car-' is the start of the word 'carpals').

Radius. Ulna. Types of bone. ... Carpals: Description: Small and compact, often equal in length and width. These types of bone are designed for strength and weight bearing. Next page.