I have had "trigger finger" which has seriously affected my right thumb for the past six months so that I could barely use it. When my thumb would "snap," I would often drop whatever I was holding due to the pain.
My priest has permitted me to hold and to venerate his cross which contains the relics from 12 different saints including the Great Martyr and Healer Panteleimon.
This evening, I noticed that my thumb has improved dramatically.
God is glorified in His Saints.