TFCC

Anatomy

Anatomy

 

1.  TFCC 

- central articular disc

- TFCC is major stabiliser of DRUJ

- arises ulnar aspect of lunate fossa of radius

- inserts fovea at base of ulna styloid

 

2.  Dorsal and Palmar Radio-Ulna ligaments 

 

Thick fibrous structures

- from ulna styloid

- important stabilises of DRUJ

 

In normal wrist

- Dorsal RU ligament tight in pronation