Unfortunately, they don't have a magic wand to stop all the pains, but they teach you relaxation, gentle exercise
, communication, and lots more.
The one I was referred to ran for a 12 weeks with weekly sessions.
If you are still at work, your hand problems may be due to repetition. There are lots of reasons why we get hand problems, and that is why should get your hands examined to find out if there is another cause.