Sometimes you need to strengthen the muscles of the hand - especially if you use them intensively.
For instance, nearly all musicians rely on their hands to hold, strum, beat, strike and balance a musical instrument. Hands really take a thrashing! Therefore, the stronger the hand the more confident the musician!
Athletes and sportspeople in general rely on their hands for grip and their wrists for pulling and pushing power. In baseball a strong grip is vital, as it is in golf.
Any problems in the hand area are nearly always associated with weakness and lack of dexterity. So,what can be done to try to rectify (or prevent) these 'faults' which can seem insurmountable?