
isometric finger strengthening performed by pressing matching fingertips together while elbows bent at 90 degrees.
Stand, bend elbow to 90 degree with palm facing towards each other, 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.