
isometric finger press with ulnar deviation, holding matched fingertips together bilaterally, alternating press and release cycles
Stand, bend elbow to 90 degree with palm facing towards each other, move the wrist towards the little finger and spread the fingers and touch the same fingers of opposite hand. With maintaing the fingers position, press the fingers against each other, hold and release the press. Repeat.
Nothing here is a prescription. Your physiotherapist decides which of these are yours, and when.