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Wrist Support Anatomy

The modern wrist support or splint is composed of several different components, each part tailored exclusively of the part of the hand and wrist that it is needed to provide support to. Here is a quick overview of what the basic components are in the wrist support braces:

Metacarpal Phalangeal Stay

This is the support given to the fingers in the wrist brace. In the case of a Boxer’s Fracture, this will allow the fingers to be immobilized while they heal. 

Palmar Stay

Like its name, this part of the wrist brace provides support to the palm. In some wrist braces, the palm may be open or detachable, depending on the required needs for an injury to heal. 

Radial Stay

This component keeps the thumb stable and it holds the wrist itself steady and keeps it from rotating, one of the biggest challenges when recovering from a wrist injury, whether it is a chronic condition or a single trauma. 

Ulnar/Dorsal Stay

This final part of the wrist support immobilizes part of the forearm and uses the forearm as an anchor. This anchor keeps the wrist from rotating and gives support to the wrist while it heals. Depending on the severity of the injury, the length of the ulnar/dorsal stay can vary. 

Each of the basic pieces comprise the average wrist support brace. With each piece well constructed of durable materials like neoprene, HyperFoam, leather, and orthopedic felt, the wrist supports are crafted for comfort, ease of use, and are typically comprised of breathable fabrics.


Metacarpal Stay

Metacarpal Stay

Metacarpal stays are typically used to immobilize the fingers for injuries that have to do with the metacarpals, e.g., the boxer fracture. This stay is important for proper rehabilitation of breaks, etc. to the fingers.
Palmar Stay

Palmar Stay

The biomechanical function of the palmar stay is to restrict wrist motion and hold the wrist in a position of function.
 
Radial Stay

Radial Stay

The function of the radial stay is to control radial deviation of the wrist or to hold the thumb in abduction or a function position.
Ulnar/Dorsal Stay

Ulnar/Dorsal Stay

The biomechanical function of the ulnar stay is to control ulnar deviation of the wrist. The function of the dorsal stay is to stabilize the wrist in a predetermined position of function
 

Wrist Support Anatomy

The wrist support is made up of several components including the Metacarpal Stay, the Palmar Stay, the Radial Stay, and the Ulnar and Dorsal Stay.

wrist support, palmar stay, dorsal stay