oh yeh, didn't understand what or why but if trying to do something requiring close dexterity hard pressure, all the sudden fingers contract in spasm at 2nd joint and lock, push them down on table or squeeze between knees to open helps, but am already on 2400mg gabapentin for years, rec diag mgus, tingling and internal vibrations hands feet lower arms, 1014 diag ess empty sella syndrome, dehydration and posterior of pituitary fully compressed by csf, host of other issues, vit D was tanked so 2500mg daily and lots of yogurt and sun if can handle it for short periods, anything over 67f and I cannot do physical exertion in sun, a few minutes and sweat just pours off me until in crisis, absorption of fluids slow when try to hydrate, D.mg