There are some simple wrist-strengthening exercises that you can do with common everyday objects, as demonstrated by professional fitness trainer Roberta Bergman, M.S. (see illustrations at left). Take a tennis ball, a rubber ball, or a large gob of putty, and begin squeezing it to mobilize the fingers and the hand muscles. Or, stretch a rubber band using all of your fingers, then over 2 or 3 fingers. Finally, simply twist a towel or wash cloth–the twisting action uses many of your muscle groups, and over time will provide you with strong, healthy hands.