The O'Reilly Auto Parts Company has over 3,337 stores in 38 states. Total sales were $3.5 billion for the year ending 2008. ChaCha.
The most common causes of hand or finger cramps or spasms are muscle spasm, diabetes, and carpal tunnel syndrome.Other possible causes, such as multiple sclerosis, are more rare.ithin all the people who go to their doctor with hand or finger cramps or spasms, 47% report having hand or finger pain, 34% report having foot or toe cramps or spasms, and 34% report having leg cramps or spasms. 1  Hand or finger pain 47. 2  Foot or toe cramps or spasms strong predictor 34. 3  Headache 34.
Possible Causes. 1  Carpel Tunnel Syndrome â If you have carpel tunnel syndrome, there is a nerve that is nicked in your wrist that passes through your carpel tunnel. 2  This is commonly done to help relieve pressure associated with the median nerve. 3  In doing so, it often leads to twitching of the thumb or index finger. Side Effects â Certain drugs such as diuretics, corticosteroids and estrogen are often causes of twitching in your fingers. 2  Caffeine â It is reported that too much caffeine or withdrawals of caffeine can cause muscle twitching. 3  This includes coffee, soda and chocolate.