I forgot to say that I can make a tight fist with that hand and finger now, but it took quite a lot of practice before I could.
This is my real worry, you just hit upon. I had a fear that I could no longer do my stretches properly.
Remember, I had an air cast, because the fracture was longitudinal and only partial. I have been able to flex the muscles to their best extent during the healing process. The trauma to the surrounding muscle tissue was severe (major swelling, PurpleBlue veins - but NOT black - thank fuck) and it took some time before I could bend my arm to full extension or contraction. Ten days from now, I go back to the doctor to prove that I've have healed and to be released from his care regarding this incident.
I was worried several times this month that the injury was more severe, but it seems OK, now. I overused it yesterday, but it is not bad now.
Tomorrow, I am on computer all day and I plan to head to work without the cast.