09/08/2026
I’m skeptical of the recommendation to climb on a complete A2 rupture with a custom splint.
I’m not against splinting, and I’m definitely not against early loading. The problem is treating those things as evidence that climbing right away is appropriate.
We have evidence that a specific pulley protection splint can reduce bowstringing. We do not have evidence that every custom splint does the same thing, or makes immediate climbing safe.
Even the published pulley protection splint protocol waited 3–4 weeks before introducing easy climbing.
There is plenty we can do before that: maintain motion, progressively load the finger flexors, and control force, grip position, volume and loading rate.
Climbing makes all of those variables harder to control, with the added possibility of an unexpected foot slip or eccentric load.
Could someone climb immediately in a custom splint and do fine? Probably.
That is very different from suggesting it improves healing or is the better rehabilitation strategy.
Early loading makes sense. I’m just not convinced early loading needs to mean immediate climbing.
PMID: 27067301, 35915476, 42241601