Most athletes involved in training and conditioning, work the major body parts and actions. Most often this involves the large muscles of the body. Very little if any attention is given to the fingers and hands which are probably used more than any other body part in almost all sports. This is somewhat surprising since injuries to the hands and fingers are more common than injuries to any other body part. And the injuries are not unique to any one or two sports.
When we do find athletes strengthening fingers, they typically squeeze a ball or handgripper to strengthen hand grip. This exercise is somewhat effective especially for the beginning range of motion when gripping. However, because of the tension encountered when squeezing a ball or gripper, it is almost impossible for the fingers to go through a full range of motion. Thus the increase in strength is only somewhat effective for prevention of injury and does little to improve performance that relies on use of the fingers.
For example, in throwing and more specifically in pitching, the index and middle finger flex to impart backspin on the ball. The action occurs in the base joint, i.e., where the fingers join the palm of the hand. However this action cannot be duplicated when squeezing a ball or gripper.
It requires the use of specialized equipment such as the ExerRings which contain rings with a flat outer surface that can be placed against the index and middle finger and opposite the thumb and then flexed through a full range of motion at the needed joint. In other words you can duplicate the exact action that the fingers go through in throwing the ball. As a result, you can strengthen the fingers so that they can impart even more spin to the ball. This in turn can make a pitch even more effective.
Other specific actions of the fingers can be found in various sports. For example, when gripping the club in golf, the pinky and ring finger of the right-hand and index and middle finger of the left hand play a major role (right handed player). They can be strengthened with the ExerRings specifically as they used. In this case, you use a rounded surface ring with light tension to duplicate the gripping action of the pinky and ring finger, and a greater tension ring to strengthen the index and middle finger in a gripping action.
The Exer Rings, which contain six different tension rings were developed to strengthen the fingers in any and all actions. Once you know the action that the fingers execute in a particular sport, you can then duplicate this action with the Exer Rings. Because of this they have become a favorite piece of equipment for many athletes.
If you are interested in the prevention of finger injury and perhaps even more importantly, in enhancing the performance of the fingers in many sports, you should look into getting a set of ExerRings.