Rhizomed Soft Thumb Support

A Thumb Splint for Thumb Joint Arthritis, Skier's Thumb, and Ligament Injuries — Holds the Joint Still Without Locking Up Your Hand

 

Thumb joint pain has a way of making everything harder — gripping a golf club, opening a jar, picking up a coffee cup, shaking hands. The joint at the base of the thumb where it meets the wrist (the CMC joint) is the most commonly arthritic joint in the hand, and it is also one of the most commonly injured in falls and sports. The Rhizomed Soft is a thumb splint built specifically to immobilize that joint — and the one just above it — using a built-in rigid plastic element, while leaving the rest of the hand and all four fingers completely free to function normally.

Product Details

Support Level: Moderate-Maximum

Best For:

•       Thumb base joint arthritis (rhizarthritis/CMC arthritis) — the most common cause of thumb pain in active adults

•       Skier's thumb — ligament injury at the base of the thumb from a fall or impact

•       Gamekeeper's thumb — chronic ligament laxity at the thumb's MCP joint

•       Post-surgical thumb immobilization during early recovery

•       Thumb ligament sprains and strains that need the joint held still during healing

Why the Rhizomed Soft Thumb Support Works

A Rigid Plastic Element That Holds Both Thumb Joints Still

Inside the splint is a built-in PU plastic element — firmer than foam or silicone — that immobilizes both the CMC joint at the base of the thumb and the MCP joint above it. That dual-joint control is what separates the Rhizomed Soft from simpler thumb wraps and neoprene supports, which stabilize the general area but do not hold the specific joints that are arthritic or injured.

Two Adjustable Straps That Fit Every Hand Shape

Two individual Velcro thumb straps cross over the joints to hold the splint in position. They adjust independently to accommodate the shape and size of your hand, including hands with swelling. The straps cross rather than wrap straight, which keeps pressure distributed evenly and prevents any single strap from cutting in during extended wear.

A Large Opening That Makes Putting It on Manageable

Getting a thumb splint on when thumb pain is at its worst — during an arthritis flare or right after an injury — requires a design that opens wide. The Rhizomed Soft's large entry opening lets you slide the hand in with minimal thumb movement, reducing the pain of the application process itself. That ease of use is a meaningful factor in whether people wear their support consistently.

Fingers Completely Free

Despite holding both thumb joints firmly, the splint leaves all four fingers fully unrestricted. You can still type, grip lightly, use your phone, and perform most daily tasks while the thumb joint recovers. The support is focused precisely where it needs to be and stays out of the way everywhere else.

Built for Your Active Life

Ideal activities while wearing:

•       Golf — protecting an arthritic or injured thumb joint through the grip and swing

•       Daily tasks that load the thumb base — gripping, pinching, opening containers, gardening tools

•       Typing and desk work during an arthritis flare or after a thumb ligament injury

•       Racquet sports where thumb grip is a source of pain

•       Any activity where thumb base pain is the limiting factor in what you can do

 

Thumb CMC arthritis tends to be a long-term management condition rather than something that is fully resolved. Using the support consistently during flares and demanding activity — and working with a hand therapist on strengthening exercises — typically gives the best long-term results.

Is the Rhizomed Soft Thumb Support Right for You?

This might be the right support for you if:

•       You have pain at the base of the thumb — especially with pinching, gripping, or turning a key

•       CMC arthritis, rhizarthritis, or a thumb ligament injury has been confirmed and the base of your thumb needs consistent immobilization

•       You injured your thumb in a fall, sports impact, or catching yourself, and the joint feels unstable

•       You want a thumb splint that holds the joint still without interfering with your fingers or hand function

 

Consult your healthcare provider for personalized guidance