ThumbImmobilizationThumb
Thumb spica splint
Supports the thumb (and sometimes the wrist) to limit painful motion and protect healing structures around the base of the thumb.
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Commonly used for
- Pain at the base of the thumb with pinching or gripping
- After thumb sprains or strains, as directed by a clinician
- Symptom flares from arthritis at the CMC joint
Cautions
- Increasing numbness or tingling in the thumb or index finger
- Skin redness, breakdown, or pressure points
- Swelling that makes the splint feel too tight
Typical wear
Often worn during activities that trigger symptoms, or as directed by a clinician.
Care
Keep clean and dry. Check skin for redness after each wear. Loosen if swelling increases.
Cost (USD)
$25–$250. Off-the-shelf is cheapest; custom thermoplastic costs more.
How to get one
- Hand therapist (custom)
- Orthotics/DME supplier
- Retail pharmacy or online
Prescription: Sometimes required. Insurance coverage varies; confirm with your provider.
Related splints
Cross-links for context only — not a personalized care plan.
Sources
- Orthoses for thumb osteoarthritis: clinical overview — American Society of Hand Therapists(accessed 2026-04-21)
Last reviewed .
Browse sessions beside splint education
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