I'm thinking about using wrist weights on my right arm throughout the day and while playing tennis to help in increasing my arm strength and in turn, swingspeed. Would this help? How much weight should I use? Could anyone recommend any good products? I'm about 5'9 maybe 5'10 and 145lbs. My right arm is bigger than my left arm since I use one hand for all my shots (I know this is unhealthy in some way in which I don't know, but I kind of like it). Thanks in advance.