CMT affects hands and wrists in different ways and at different points in life. Some people notice weakness or stiffness early. Others have decades of full hand function before anything shifts.
When hand or wrist symptoms start getting in the way of daily activities, a wrist hand orthosis can help. A splint or brace, as it’s more commonly called, supports weak joints, eases pain, helps prevent contractures, and keeps your hand working.
A splint works like scaffolding. It holds the wrist, hand, or fingers in a more useful position to reduce strain on weaker muscles and protect overworked joints and stretched ligaments. Some splints are built for daily activities. Others are built for the hours you spend asleep, when your hand can drift into positions that cause stiffness by morning. The right choice depends on which joints are giving you trouble, how your hand sits at rest, what you’re trying to do during the day, and what your daily life looks like.
Because CMT affects no hands the same way, a splint or brace that helps one person can frustrate another. A plumber and a software engineer with the same hand strength may need very different splints, because they use their hands differently in the day-to-day. Your occupational therapist (OT) or orthotist will fit the device specifically to your hand and your daily activities.
What does a wrist hand orthosis do?
A wrist hand orthosis holds the wrist, hand, or fingers in position. Depending on the design, that position can give you a stable base for grip, take pressure off a joint, slow the development of a contracture, or protect an overstretched ligament safely. Some splints lock joints in place and trade mobility for stability. Others limit only certain motions and leave your fingers free for tasks like typing, writing, or buttoning a cuff.
Orthosis or orthoses? One brace is an orthosis. Two braces are orthoses. The word comes from the Greek “ortho-“ (straight) and “-osis” (a process or condition). So, orthosis means “the act of straightening.
To learn which splint is right for you, have a detailed and open conversation with your provider. Your OT or orthotist will ask which joints are impaired, how much weakness or deformity you have, how your hand looks at rest, and about your daily activities. Your answers will guide your therapist’s decision.
Resting hand splints for nighttime and downtime
A resting hand splint covers your forearm, wrist, hand, and fingers, holding everything in a neutral or gently stretched position. You wear it at night, or during long stretches of rest, when your hand muscles are off duty. By positioning the hand safely while muscles are relaxed, resting splints can also support circulation and reduce strain on weakened muscles.
Worn consistently, resting splints can keep your fingers and wrist moving through their full range, ease morning stiffness, and slow the development of contractures. They also stop the thumb and fingers from drifting into hyperextension, causing the joints to bend backward beyond their normal range. The splint holds the hand securely while you rest, supporting circulation and reducing strain on muscles and ligaments.
Restrictive movement splints: support for wrist and thumb, freedom for fingers
Restrictive movement splints limit specific motions at the wrist or thumb while leaving your fingers free to move. If you need stability at the base of your hand and still want to type, write, or turn a doorknob, this is the category of splint your OT may consider first.
These splints can stabilize a wobbly thumb, keep ligaments from stretching past their useful length, and prevent weak joints from moving into awkward positions during everyday tasks. Many are adjustable, which is important because CMT is not static. As your hand changes over months and years, your OT can reshape the splint or move you to a different model rather than starting from zero.
Custom-made hand splints for when off-the-shelf won’t do
Some hands need a splint built from scratch. If the standard sizes sit slightly off or the support is landing in the wrong place, you may need accommodations that off-the-shelf splints can’t provide. In those situations, your provider can build a custom splint from thermoplastic, neoprene, or metal rings, fitted directly to your hand.
Custom work pays off when off-the-shelf devices can’t handle a complex positioning problem or when the hand needs more support than a generic splint provides. If you have a specific functional goal in mind, like holding a pen for long stretches, or gripping a steering wheel comfortably, custom splints may be the right choice for you. Because CMT presents in different ways, many people land on custom orthoses after they’ve outgrown the standard options.
How to get a wrist hand orthosis
The path to a splint usually starts with a prescription from your physician, often a neurologist or rehabilitation specialist. From there, you’ll see a certified orthotist or an OT. The first appointment is part fitting, part conversation. Expect questions about what’s bothering you, what tasks you’ve stopped doing or started avoiding, and what you want to be able to do again.
Before you book, here’s a few questions to ask your provider’s office:
- Do you accept my insurance?
- Have you fit splints for people with CMT before?
- Can I try different devices during the visit?
- How long will it take to receive my splint?
Bring any splints you’ve worn before, even ones that didn’t work. Knowing what failed is as useful as knowing what helped. A short list of your goals and the tasks you’re struggling with will keep the appointment focused on what is important to you.
Living with the splint
The first few days with a new splint tell you a lot. Pain, pressure points, red marks, or skin irritation are signs the device needs adjusting. Call your provider. A small tweak to an edge or a strap placement can turn an unwearable splint into one you reach for every night.
CMT changes over time, and so will what your hand needs. A splint that worked beautifully two years ago may stop fitting, or you may find you need a different device for a new task or a new job. Build follow-up into the plan from the start. The splint is a tool, and tools get adjusted as the work changes.
To find an OT experienced in treating CMT, visit a CMTA Center of Excellence near you.
