Use light weights - as low as 1 lb.
, build over weeks to max 10 lbs. Do 10 "reps" (1 set) of wrist flexion -palm up, relaxed, curl your hand closed continuing as far toward the crook of your elbow as possible. Do to count of a slow 1, 2, 3 with 1, 2, 3 for reverse movement. Rest between sets for 3 sets. Palm down, gripping weight, bend wrist again toward crook of elbow for 3 sets of 10 .Reps.