With the strap crossing the palm to the volar side of the hand, the thumb is placed in a functional position. THE SKINNY: Hand osteoarthritis is a common condition seen by hand therapists. Designed to restrict movement at the CMC and MCP joints, leaving the IP joint. It also assists in opposition and extension of the thumb. The abductor pollicis brevis does this by acting across both the carpometacarpal joint and the metacarpophalangeal joint. This W-220 OPP variation introduces thumb opposition, in addition to abduction. Features a removable malleable thumb stay. Abduction of the thumb is defined as the movement of the thumb anteriorly, a direction perpendicular to the palm. The positive electrode is over the extensor tendons.
The very small negative electrode is placed about two thirds of the way down the forearm over the extensor surface. Lucinda Baker Electrode placement for isolated thumb extension. Electrical stimulation results in powerful thumb abduction. Thumb Abduction Electrode Placement Application Instruction by Dr.
In this case, the strap stretches dorsally toward the ulnar side of the hand. The positive electrode is placed over on the extensor surface. The W-220 ABD style splint primarily place the thumb in functional mid palmar/radial abduction. W-220 Product Instructions W-220 ABD - Thumb Abduction The addition of thermoplastic is available to provide more control, such as a thumb web space. Possible indications for either style include CMC dysfunction, osteoarthritis and rheumatoid arthritis, low median nerve injury and some UCL/RCL injuries. Improved functional use of the hand is possible by stabilizing, but not fully immobilizing the CMC joint, while allowing flexion of the thumb IP joint for tip to tip and tripod pinch.
Thumb abduction series#
Remove the hook parts before washing and let air dry.Benik's W-220 Series Thumb Abduction and Opposition Supports are simple thumb sleeves with wrist straps that provide dynamic support to the thumb CMC and MP joints. Methods: Fourteen hand therapists measured. (1972) described short thumbs and first toes with abduction of these digits. graph, to easily measure palmar thumb abduction, and to com- pare its reliability with conventional goniometry. Caring instructions The NRX® strap can be washed in 40 degrees machine wash with a liquid detergent. 112450 - BRACHYDACTYLY, PREAXIAL, WITH HALLUX VARUS AND THUMB ABDUCTION. The strap can also be attached on the dorsal part of the wrist strap if less abduction support is needed. If needed adjust the length of the strap. Attach the the strap to the ulnar side for a more effective support. Apply the strap around the thenar eminence and secure with the hook tab Attach a hook tab to the other end and pull carefully to provide abduction support to the thumb. Then cut a 30 mm NRX® strap, approx 8-10 cm long. Sitting, forearm in 0 0 supination-pronation, wrist in 0 0 flexion, extension, radial & ulnar flexion.
Thumb abduction plus#
Thumb Abduction Strap Material NRX® 30 mm and 50 mm + 3 hook tabs Cut a 50 mm NRX® strap to fit the circumference of the wrist plus 2-3 cm and apply around the wrist and secure with the hook tab. Start in a seated position, with your forearm resting on the table and your affected hand palm up.
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