Hand Monitoring

Place one or two fingers of each hand inside the ring.

Hand Stabilizing

Monitoring Direction

Test to pull thumb and little finger apart.


This test is “positive” even if only the thumb (Opponens Pollicis) or only the little finger (Opponens Digiti Minimi – Hand) unlocks. To be more precise you can determine which of the muscles is not working with their specific test: Opponens Pollicis, Opponens Digiti Minimi – Hand