Resources
Splints
Physician-grade splinting reference: indications, technique, and pearls for the most common splints in sports medicine and primary care.
ðŊ Indications
UCL injury (Gamekeeper / Skier's thumb)
Suspected scaphoid fracture (snuffbox tenderness)
Bennett or Rolando fracture (1st MC base)
De Quervain's tenosynovitis flare
1st CMC osteoarthritis flare
Trapezium fracture
ð§ Technique
- 1Wrist in 20° extension, thumb in mid-abduction ("can-holding" position)
- 2Splint extends from proximal forearm along the radial border, wrapping the thumb
- 3For scaphoid concern: include thumb IP joint
- 4For UCL or De Quervain's: leave thumb IP free
- 5Mold around the thenar eminence; avoid pressure on the radial styloid
- 6Check radial pulse and sensation before and after application
ðĄ Pearls & Pitfalls
A Stener lesion (complete UCL tear with displaced adductor aponeurosis) needs surgical repair â examine UCL stress at 0° and 30° MCP flexion once swelling allows
Snuffbox tenderness + negative X-ray = treat as scaphoid fracture, splint and repeat imaging or MRI in 7â14 days
Do NOT use thumb spica for De Quervain's if IP is included â it limits return to function
Re-examine all "wrist sprains" at 7â10 days; many occult scaphoid fractures are missed initially
